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Core Data from the Deep Sea Drilling Project


Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLEISTOCENE
Hole: 302   Depth Top of Core(m):     0.00   Group Abund: COMMON
Core:   1   Depth Top Sample(m) :     0.10
Sect: CC    No. Observed Fossils:    37      Group Presv: MODERATE

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ACTINOCYCLUS CURVATULUS (RARE/)
  ACTINOCYCLUS DIVISUS (RARE/)
  ACTINOCYCLUS EHRENBERGII (RARE/)
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  ACTINOCYCLUS OCULATUS (RARE/)
  COCCONEIS COSTATA (RARE/)
  COSCINODISCUS EXCENTRICUS (RARE/)
  COSCINODISCUS EXCENTRICUS JOUSEI (RARE/)
  COSCINODISCUS LINEATUS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS PLICATUS (RARE/)
  COSCINODISCUS RADIATUS (RARE/)
  COSCINODISCUS RADIATUS VAR. (RARE/)
  CYCLOTELLA STRIATA (RARE/)
  DENTICULA KAMTSCHATICA (RARE/)
  DENTICULA LAUTA (RARE/)
  DENTICULA SEMINAE (FEW/)
  DENTICULA SEMINAE FOSSILIS (RARE/)
  DIPLONEIS BOMBUS (RARE/)
  DIPLONEIS INTERRUPTA (RARE/)
  DIPLONEIS PAPULA (RARE/)
  FRAGILARIA CONSTRICTA (RARE/)
  GOMPHONEMA ANGUSTATUM (RARE/)
  MELOSIRA SULCATA (RARE/)
  NITZSCHIA MARINA (RARE/)
  PSEUDOEUNOTIA DOLIOLUS (RARE/)
  PSEUDOPODOSIRA ELEGANS (RARE/)
  RHAPHONEIS SURIRELLA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (FEW/)
  RHIZOSOLENIA HEBETATA (RARE/)
  STEPHANOPYXIS DIMORPHA (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  230/ 240  Sample Age : PLEISTOCENE
Hole: 302   Depth Top of Core(m):    19.00   Group Abund: ABUNDANT
Core:   2   Depth Top Sample(m) :    22.24
Sect:  3    No. Observed Fossils:    20      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS CURVATULUS (RARE/)
  ACTINOCYCLUS EHRENBERGII (RARE/)
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  COSCINODISCUS ASTEROMPHALUS (RARE/)
  COSCINODISCUS EXCENTRICUS JOUSEI (FEW/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS RADIATUS (RARE/)
  CYCLOTELLA STRIATA (RARE/)
  DENTICULA SEMINAE (FEW/)
  DIPLONEIS BOMBUS (RARE/)
  MELOSIRA SULCATA (RARE/)
  NITZSCHIA CYLINDRICA (RARE/)
  PSEUDOPODOSIRA ELEGANS (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (FEW/)
  RHIZOSOLENIA HEBETATA (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (COMMON/)



Leg : 31    Top/Bot Interval(mm):  600/ 610  Sample Age : PLEISTOCENE
Hole: 302   Depth Top of Core(m):    19.00   Group Abund: COMMON
Core:   2   Depth Top Sample(m) :    24.11
Sect:  4    No. Observed Fossils:    18      Group Presv: MODERATE

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS CURVATULUS (RARE/)
  ACTINOCYCLUS EHRENBERGII (RARE/)
  COSCINODISCUS EXCENTRICUS JOUSEI (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  CYCLOTELLA STRIATA (RARE/)
  DENTICULA KAMTSCHATICA (RARE/)
  DENTICULA SEMINAE (COMMON/)
  DENTICULA SEMINAE (RARE/)
  DENTICULA SEMINAE FOSSILIS (RARE/)
  MELOSIRA SULCATA (RARE/)
  PODOSIRA GLACIALIS (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (ABUNDANT/)
  RHIZOSOLENIA HEBETATA (RARE/)
  STEPHANOPYXIS DIMORPHA (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  310/ 320  Sample Age : PLEISTOCENE
Hole: 302   Depth Top of Core(m):    19.00   Group Abund: COMMON
Core:   2   Depth Top Sample(m) :    25.31
Sect:  5    No. Observed Fossils:    23      Group Presv: MODERATE

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ACTINOCYCLUS CURVATULUS (RARE/)
  ACTINOCYCLUS EHRENBERGII (RARE/)
  ACTINOCYCLUS OCULATUS (RARE/)
  ASTEROMPHALUS ROBUSTUS (RARE/)
  COSCINODISCUS EXCENTRICUS JOUSEI (RARE/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  CYCLOTELLA STRIATA (RARE/)
  DENTICULA SEMINAE (RARE/)
  DIPLONEIS BOMBUS (RARE/)
  DIPLONEIS SMITHII (RARE/)
  HEMIDISCUS CUNEIFORMIS (RARE/)
  PODOSIRA GLACIALIS (RARE/)
  PSEUDOEUNOTIA DOLIOLUS (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (ABUNDANT/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS DIMORPHA (RARE/)
  STEPHANOPYXIS TURRIS (FEW/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA NIDULUS (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  700/ 710  Sample Age : PLEISTOCENE
Hole: 302   Depth Top of Core(m):    19.00   Group Abund: ABUNDANT
Core:   2   Depth Top Sample(m) :    27.20
Sect:  6    No. Observed Fossils:    21      Group Presv: MODERATE

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS CURVATULUS (FEW/)
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  ACTINOCYCLUS OCULATUS (RARE/)
  ASTEROMPHALUS ROBUSTUS (RARE/)
  COSCINODISCUS EXCENTRICUS JOUSEI (FEW/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS STELLARIS (FEW/)
  DENTICULA SEMINAE (RARE/)
  DENTICULA SEMINAE FOSSILIS (RARE/)
  PODOSIRA GLACIALIS (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (FEW/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS DIMORPHA (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIOSIRA GRAVIDA (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA OESTRUPII (FEW/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (FEW/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLEISTOCENE
Hole: 302   Depth Top of Core(m):    19.00   Group Abund: COMMON
Core:   2   Depth Top Sample(m) :    28.10
Sect: CC    No. Observed Fossils:    23      Group Presv: MODERATE

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS CURVATULUS (RARE/)
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  ACTINOCYCLUS OCULATUS (COMMON/)
  BACTERIOSIRA FRAGILIS (RARE/)
  BIDDULPHIA AURITA (RARE/)
  COSCINODISCUS EXCENTRICUS (RARE/)
  COSCINODISCUS EXCENTRICUS JOUSEI (RARE/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS SPIRALIS (RARE/)
  CYCLOTELLA STRIATA (RARE/)
  DENTICULA SEMINAE (ABUNDANT/)
  DIPLONEIS BOMBUS (RARE/)
  MELOSIRA SULCATA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  STEPHANOPYXIS DIMORPHA (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA NIDULUS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA UNDULOSA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm): 1210/1220  Sample Age : PLEISTOCENE
Hole: 302   Depth Top of Core(m):    38.00   Group Abund: RARE
Core:   3   Depth Top Sample(m) :    39.72
Sect:  1    No. Observed Fossils:     6      Group Presv: POOR

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  DENTICULA HUSTEDTII (RARE/)
  DENTICULA KAMTSCHATICA (RARE/)
  DENTICULA SEMINAE (RARE/)
  EUNOTIA SP. (RARE/)
  PINNULARIA BRAUNII (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)



Leg : 31    Top/Bot Interval(mm):  100/ 110  Sample Age : PLEISTOCENE
Hole: 302   Depth Top of Core(m):    38.00   Group Abund: RARE
Core:   3   Depth Top Sample(m) :    44.61
Sect:  5    No. Observed Fossils:    13      Group Presv: POOR

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS INGENS (RARE/)
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS TEMPEREI (RARE/)
  DENTICULA HUSTEDTII (RARE/)
  DENTICULA KAMTSCHATICA (RARE/)
  LICMORPHORA SP. (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  THALASSIOSIRA ANTIQUA (RARE/)
  THALASSIOSIRA CONVEXA (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLEISTOCENE
Hole: 302   Depth Top of Core(m):    38.00   Group Abund: RARE
Core:   3   Depth Top Sample(m) :    47.60
Sect: CC    No. Observed Fossils:    27      Group Presv: POOR

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS DIVISUS (RARE/)
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  ACTINOCYCLUS OCULATUS (RARE/)
  ASTEROMPHALUS ROBUSTUS (RARE/)
  BIDDULPHIA AURITA (RARE/)
  COSCINODISCUS EXCENTRICUS (RARE/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  COSCINODISCUS TEMPEREI (RARE/)
  DENTICULA KAMTSCHATICA (RARE/)
  DENTICULA SEMINAE (RARE/)
  DENTICULA SEMINAE FOSSILIS (FEW/)
  MELOSIRA SULCATA (RARE/)
  NITZSCHIA EXTINCTA (RARE/)
  PINNULARIA SUBCAPITATA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  STEPHANOPYXIS INERMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA ANTIQUA (RARE/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA UNDULOSA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  240/ 250  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):    57.00   Group Abund: RARE
Core:   4   Depth Top Sample(m) :    57.25
Sect:  1    No. Observed Fossils:    15      Group Presv: POOR

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ACTINOCYCLUS CURVATULUS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  DENTICULA LAUTA (RARE/)
  DENTICULA SEMINAE (RARE/)
  DENTICULA SEMINAE FOSSILIS (RARE/)
  MELOSIRA SULCATA (RARE/)
  PINNULARIA BOREALIS (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  STEPHANOPYXIS HORRIDUS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA GRAVIDA (RARE/)
  THALASSIOSIRA NIDULUS (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)



Leg : 31    Top/Bot Interval(mm):  250/ 260  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):    57.00   Group Abund: RARE
Core:   4   Depth Top Sample(m) :    60.26
Sect:  3    No. Observed Fossils:     6      Group Presv: POOR

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  BIDDULPHIA AURITA (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  DENTICULA SEMINAE (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):    57.00   Group Abund: RARE
Core:   4   Depth Top Sample(m) :    64.60
Sect: CC    No. Observed Fossils:    15      Group Presv: POOR

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS EHRENBERGII (RARE/)
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  ACTINOCYCLUS OCULATUS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  CYCLOTELLA STRIATA (RARE/)
  DENTICULA SEMINAE (RARE/)
  DENTICULA SEMINAE FOSSILIS (RARE/)
  DIPLONEIS BOMBUS (RARE/)
  MELOSIRA SULCATA (RARE/)
  RHAPHONEIS ANGUSTATA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA NIDULUS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)



Leg : 31    Top/Bot Interval(mm):  850/ 860  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):    76.00   Group Abund: COMMON
Core:   5   Depth Top Sample(m) :    76.86
Sect:  1    No. Observed Fossils:    24      Group Presv: MODERATE

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  ACTINOCYCLUS OCULATUS (RARE/)
  ASTEROMPHALUS ROBUSTUS (RARE/)
  BIDDULPHIA AURITA (RARE/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS NODULIFER (RARE/)
  CYCLOTELLA STRIATA (RARE/)
  DENTICULA SEMINAE FOSSILIS (ABUNDANT/)
  MELOSIRA SULCATA (RARE/)
  NITZSCHIA EXTINCTA (RARE/)
  PSEUDOPODOSIRA ELEGANS (RARE/)
  RHAPHONEIS ANGUSTATA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA ANTIQUA (RARE/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA NIDULUS (RARE/)
  THALASSIOSIRA NORDENSKIOELDII (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  500/ 510  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):    76.00   Group Abund: COMMON
Core:   5   Depth Top Sample(m) :    79.51
Sect:  3    No. Observed Fossils:    21      Group Presv: MODERATE

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS EHRENBERGII (RARE/)
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  ACTINOCYCLUS OCULATUS (COMMON/)
  ASTEROMPHALUS ROBUSTUS (RARE/)
  COSCINODISCUS EXCENTRICUS JOUSEI (RARE/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  DENTICULA SEMINAE FOSSILIS (FEW/)
  GOMPHONEMA LONGICEPS SUBCLAVATA (RARE/)
  MELOSIRA SULCATA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (ABUNDANT/)
  STEPHANOPYXIS INERMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA ANTIQUA (RARE/)
  THALASSIOSIRA CONVEXA (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA NIDULUS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  200/ 210  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):    76.00   Group Abund: COMMON
Core:   5   Depth Top Sample(m) :    80.71
Sect:  4    No. Observed Fossils:    27      Group Presv: MODERATE

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ACTINOCYCLUS EHRENBERGII (RARE/)
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  ACTINOCYCLUS OCULATUS (RARE/)
  ASTEROMPHALUS ROBUSTUS (RARE/)
  COSCINODISCUS EXCENTRICUS (RARE/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS NODULIFER (RARE/)
  CYCLOTELLA STRIATA (RARE/)
  DENTICULA KAMTSCHATICA (RARE/)
  DENTICULA SEMINAE FOSSILIS (ABUNDANT/)
  DIPLONEIS BOMBUS (RARE/)
  MELOSIRA SULCATA (RARE/)
  NITZSCHIA REINHOLDII (RARE/)
  PSEUDOPODOSIRA ELEGANS (RARE/)
  RHAPHONEIS SURIRELLA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA ANTIQUA (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA LINEATA (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  700/ 710  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):    76.00   Group Abund: ABUNDANT
Core:   5   Depth Top Sample(m) :    82.71
Sect:  5    No. Observed Fossils:    14      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS EHRENBERGII (RARE/)
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  DENTICULA KAMTSCHATICA (FEW/)
  DENTICULA SEMINAE FOSSILIS (ABUNDANT/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  SURIRELLA OVATA (RARE/)
  THALASSIOSIRA ANTIQUA (RARE/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):    76.00   Group Abund: ABUNDANT
Core:   5   Depth Top Sample(m) :    83.60
Sect: CC    No. Observed Fossils:    17      Group Presv: MODERATE

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS MARGINATUS (ABUNDANT/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  DENTICULA KAMTSCHATICA (RARE/)
  DENTICULA SEMINAE FOSSILIS (COMMON/)
  MELOSIRA SULCATA (RARE/)
  PSEUDOPODOSIRA ELEGANS (RARE/)
  RHAPHONEIS SURIRELLA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA ANTIQUA (RARE/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):    95.00   Group Abund: ABUNDANT
Core:   6   Depth Top Sample(m) :    95.10
Sect: CC    No. Observed Fossils:    19      Group Presv: MODERATE

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS EHRENBERGII (RARE/)
  ACTINOCYCLUS OCULATUS (RARE/)
  COSCINODISCUS EXCENTRICUS JOUSEI (RARE/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS MARGINATUS (ABUNDANT/)
  CYCLOTELLA STRIATA (RARE/)
  DENTICULA KAMTSCHATICA (RARE/)
  DENTICULA SEMINAE FOSSILIS (RARE/)
  HEMIDISCUS CUNEIFORMIS (RARE/)
  MELOSIRA SULCATA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (FEW/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  100/ 110  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   114.00   Group Abund: ABUNDANT
Core:   7   Depth Top Sample(m) :   114.61
Sect:  1    No. Observed Fossils:    14      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ACTINOCYCLUS EHRENBERGII (RARE/)
  ASTEROMPHALUS ROBUSTUS (RARE/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS MARGINATUS (ABUNDANT/)
  DENTICULA KAMTSCHATICA (COMMON/)
  MELOSIRA SULCATA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA GRAVIDA (RARE/)
  THALASSIOSIRA USATSCHEVII (RARE/)
  THALASSIOSIRA ZABELINAE (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  100/ 110  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   114.00   Group Abund: ABUNDANT
Core:   7   Depth Top Sample(m) :   119.11
Sect:  4    No. Observed Fossils:    13      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ACTINOCYCLUS EHRENBERGII (RARE/)
  COSCINODISCUS EXCENTRICUS JOUSEI (RARE/)
  COSCINODISCUS MARGINATUS (ABUNDANT/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  DENTICULA KAMTSCHATICA (COMMON/)
  DENTICULA SEMINAE FOSSILIS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA ZABELINAE (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   114.00   Group Abund: ABUNDANT
Core:   7   Depth Top Sample(m) :   123.60
Sect: CC    No. Observed Fossils:    10      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  COSCINODISCUS MARGINATUS (ABUNDANT/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  DENTICULA KAMTSCHATICA (COMMON/)
  MELOSIRA SULCATA (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA ZABELINAE (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  100/ 110  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   133.00   Group Abund: ABUNDANT
Core:   8   Depth Top Sample(m) :   133.61
Sect:  1    No. Observed Fossils:    16      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  COSCINODISCUS EXCENTRICUS JOUSEI (RARE/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  DENTICULA KAMTSCHATICA (ABUNDANT/)
  RHIZOSOLENIA ALATA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA ANTIQUA (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA NIDULUS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA ZABELINAE (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  100/ 110  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   133.00   Group Abund: ABUNDANT
Core:   8   Depth Top Sample(m) :   135.11
Sect:  2    No. Observed Fossils:    34      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  COSCINODISCUS EXCENTRICUS JOUSEI (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  DENTICULA KAMTSCHATICA (ABUNDANT/)
  DENTICULA KAMTSCHATICA (ABUNDANT/)
  DENTICULA SEMINAE FOSSILIS (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA HEBETATA (RARE/)
  RHIZOSOLENIA HEBETATA (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA ANTIQUA (RARE/)
  THALASSIOSIRA ANTIQUA (RARE/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA USATSCHEVII (RARE/)
  THALASSIOSIRA ZABELINAE (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   133.00   Group Abund: ABUNDANT
Core:   8   Depth Top Sample(m) :   142.60
Sect: CC    No. Observed Fossils:     8      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS MARGINATUS FOSSILIS (FEW/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  DENTICULA KAMTSCHATICA (ABUNDANT/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  THALASSIOSIRA NIDULUS (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  400/ 410  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   152.00   Group Abund: ABUNDANT
Core:   9   Depth Top Sample(m) :   152.41
Sect:  1    No. Observed Fossils:    14      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  DENTICULA KAMTSCHATICA (ABUNDANT/)
  RHIZOSOLENIA SP. (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA MANIFESTA (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA ZABELINAE (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   152.00   Group Abund: ABUNDANT
Core:   9   Depth Top Sample(m) :   155.10
Sect: CC    No. Observed Fossils:    16      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  COSCINODISCUS MARGINATUS (ABUNDANT/)
  COSCINODISCUS MARGINATUS FOSSILIS (FEW/)
  COSCINODISCUS OBSCURUS (RARE/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  DENTICULA KAMTSCHATICA (COMMON/)
  RHIZOSOLENIA ALATA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA NIDULUS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA USATSCHEVII (RARE/)
  THALASSIOSIRA ZABELINAE (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  100/ 110  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   171.00   Group Abund: ABUNDANT
Core:  10   Depth Top Sample(m) :   171.61
Sect:  1    No. Observed Fossils:    17      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  DENTICULA KAMTSCHATICA (ABUNDANT/)
  RHAPHONEIS SURIRELLA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS DIMORPHA (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA NATIVA (FEW/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA ZABELINAE (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  100/ 110  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   171.00   Group Abund: ABUNDANT
Core:  10   Depth Top Sample(m) :   174.61
Sect:  3    No. Observed Fossils:    20      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ACTINOCYCLUS EHRENBERGII (RARE/)
  BIDDULPHIA AURITA (RARE/)
  COSCINODISCUS EXCENTRICUS LEASAREOLATUS (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  DENTICULA KAMTSCHATICA (ABUNDANT/)
  MELOSIRA SULCATA (RARE/)
  RHAPHONEIS ANGUSTATA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA HEBETATA (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA GRAVIDA (RARE/)
  THALASSIOSIRA NATIVA (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA ZABELINAE (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  100/ 110  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   171.00   Group Abund: ABUNDANT
Core:  10   Depth Top Sample(m) :   177.61
Sect:  5    No. Observed Fossils:    16      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ACTINOCYCLUS CURVATULUS (RARE/)
  ACTINOCYCLUS EHRENBERGII (RARE/)
  ACTINOCYCLUS OCHOTENSIS (RARE/)
  COCCONEIS COSTATA (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  DENTICULA KAMTSCHATICA (ABUNDANT/)
  MELOSIRA SULCATA (RARE/)
  RHAPHONEIS SURIRELLA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   171.00   Group Abund: ABUNDANT
Core:  10   Depth Top Sample(m) :   180.60
Sect: CC    No. Observed Fossils:    18      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ACTINOCYCLUS EHRENBERGII (RARE/)
  CLADOGRAMMA CALIFORNICUM (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  DENTICULA KAMTSCHATICA (ABUNDANT/)
  MELOSIRA SULCATA (RARE/)
  RHAPHONEIS SURIRELLA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA GRAVIDA (RARE/)
  THALASSIOSIRA NATIVA (RARE/)
  THALASSIOSIRA NIDULUS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA ZABELINAE (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm): 1220/1230  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   190.00   Group Abund: ABUNDANT
Core:  11   Depth Top Sample(m) :   191.22
Sect:  1    No. Observed Fossils:    18      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  DENTICULA HYALINA (RARE/)
  DENTICULA KAMTSCHATICA (ABUNDANT/)
  PSEUDOPODOSIRA ELEGANS (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA HEBETATA (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA NATIVA (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA ZABELINAE (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   190.00   Group Abund: ABUNDANT
Core:  11   Depth Top Sample(m) :   197.60
Sect: CC    No. Observed Fossils:    14      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  DENTICULA KAMTSCHATICA (ABUNDANT/)
  RHIZOSOLENIA ALATA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIOSIRA NATIVA (FEW/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  600/ 610  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   209.00   Group Abund: ABUNDANT
Core:  12   Depth Top Sample(m) :   209.61
Sect:  1    No. Observed Fossils:    21      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  COCCONEIS COSTATA (RARE/)
  COSCINODISCUS ASTEROMPHALUS (RARE/)
  COSCINODISCUS MARGINATUS (FEW/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  COSCINODISCUS TEMPEREI (RARE/)
  DENTICULA KAMTSCHATICA (ABUNDANT/)
  GONIOTHECIUM TENUE (RARE/)
  RHIZOSOLENIA SP. (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA HEBETATA (RARE/)
  RHIZOSOLENIA STYLIFORMIS (FEW/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA ANTIQUA (RARE/)
  THALASSIOSIRA MANIFESTA (RARE/)
  THALASSIOSIRA NATIVA (FEW/)
  THALASSIOSIRA NORDENSKIOELDII (RARE/)
  THALASSIOSIRA UNDULOSA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   209.00   Group Abund: ABUNDANT
Core:  12   Depth Top Sample(m) :   215.10
Sect: CC    No. Observed Fossils:    22      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  BIDDULPHIA AURITA (RARE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  CYMATOSIRA DEBYI (RARE/)
  DENTICULA KAMTSCHATICA (COMMON/)
  PSEUDOPODOSIRA ELEGANS (RARE/)
  RHIZOSOLENIA ALATA (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (FEW/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA ANTIQUA (RARE/)
  THALASSIOSIRA DECIPIENS (RARE/)
  THALASSIOSIRA GRAVIDA (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA MANIFESTA (RARE/)
  THALASSIOSIRA NATIVA (RARE/)
  THALASSIOSIRA NIDULUS (RARE/)
  THALASSIOSIRA OESTRUPII (RARE/)
  THALASSIOSIRA UNDULOSA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  130/ 140  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   228.00   Group Abund: ABUNDANT
Core:  13   Depth Top Sample(m) :   228.14
Sect:  1    No. Observed Fossils:    17      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  BIDDULPHIA AURITA (RARE/)
  COSCINODISCUS MARGINATUS (ABUNDANT/)
  COSCINODISCUS MARGINATUS FOSSILIS (FEW/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  CYMATOSIRA DEBYI (RARE/)
  DENTICULA KAMTSCHATICA (FEW/)
  DIPLONEIS PAPULA (RARE/)
  PSEUDOPODOSIRA ELEGANS (RARE/)
  RHAPHONEIS AMPHICEROS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA MANIFESTA (RARE/)
  THALASSIOSIRA NATIVA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   228.00   Group Abund: ABUNDANT
Core:  13   Depth Top Sample(m) :   231.10
Sect: CC    No. Observed Fossils:    16      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  COCCONEIS COSTATA (RARE/)
  COSCINODISCUS MARGINATUS (COMMON/)
  COSCINODISCUS MARGINATUS FOSSILIS (FEW/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  COSMIODISCUS INSIGNIS (RARE/)
  CYMATOSIRA DEBYI (RARE/)
  DENTICULA KAMTSCHATICA (COMMON/)
  GONIOTHECIUM TENUE (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA NATIVA (FEW/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  850/ 860  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   247.00   Group Abund: ABUNDANT
Core:  14   Depth Top Sample(m) :   247.86
Sect:  1    No. Observed Fossils:    13      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  COSCINODISCUS MARGINATUS (ABUNDANT/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  COSMIODISCUS INSIGNIS (RARE/)
  DENTICULA KAMTSCHATICA (FEW/)
  GONIOTHECIUM TENUE (RARE/)
  MELOSIRA SULCATA (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA NATIVA (RARE/)
  THALASSIOSIRA NIDULUS (RARE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   247.00   Group Abund: ABUNDANT
Core:  14   Depth Top Sample(m) :   254.60
Sect: CC    No. Observed Fossils:    17      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  BIDDULPHIA AURITA (RARE/)
  COSCINODISCUS MARGINATUS (ABUNDANT/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  COSCINODISCUS TEMPEREI (RARE/)
  COSMIODISCUS INSIGNIS (RARE/)
  DENTICULA KAMTSCHATICA (COMMON/)
  GONIOTHECIUM TENUE (RARE/)
  PSEUDOPODOSIRA ELEGANS (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA MANIFESTA (RARE/)
  THALASSIOSIRA NATIVA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):  450/ 460  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   266.00   Group Abund: ABUNDANT
Core:  15   Depth Top Sample(m) :   266.46
Sect:  1    No. Observed Fossils:    21      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ASTEROMPHALUS DARWINII (RARE/)
  BIDDULPHIA AURITA (RARE/)
  COSCINODISCUS MARGINATUS (ABUNDANT/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  DENTICULA KAMTSCHATICA (RARE/)
  DIPLONEIS SMITHII (RARE/)
  RHIZOSOLENIA SP. (RARE/)
  RHIZOSOLENIA CURVIROSTRIS (RARE/)
  RHIZOSOLENIA HEBETATA (RARE/)
  RHIZOSOLENIA STYLIFORMIS (RARE/)
  ROUXIA CALIFORNICA (RARE/)
  STEPHANOPYXIS INERMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA GRAVIDA FOSSILIS (RARE/)
  THALASSIOSIRA NATIVA (RARE/)
  THALASSIOSIRA ZABELINAE (RARE/)
  THALASSIONEMA NITZSCHIOIDES (FEW/)
  THALASSIONEMA NITZSCHIOIDES (Q) (RARE/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   266.00   Group Abund: ABUNDANT
Core:  15   Depth Top Sample(m) :   267.60
Sect: CC    No. Observed Fossils:    15      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  ASTEROMPHALUS DARWINII (RARE/)
  ASTEROMPHALUS ROBUSTUS (RARE/)
  BIDDULPHIA AURITA (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  COSCINODISCUS TEMPEREI (RARE/)
  CYMATOSIRA DEBYI (RARE/)
  DENTICULA KAMTSCHATICA (RARE/)
  RHIZOSOLENIA SP. (RARE/)
  RHIZOSOLENIA ALATA (RARE/)
  ROUXIA CALIFORNICA (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  THALASSIOSIRA NATIVA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)



Leg : 31    Top/Bot Interval(mm):  980/ 990  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   351.50   Group Abund: ABUNDANT
Core:  16   Depth Top Sample(m) :   352.49
Sect:  1    No. Observed Fossils:    14      Group Presv: GOOD

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  COSCINODISCUS MARGINATUS (RARE/)
  COSCINODISCUS MARGINATUS FOSSILIS (RARE/)
  COSCINODISCUS SYMBOLOPHORUS (RARE/)
  DENTICULA KAMTSCHATICA (RARE/)
  RHIZOSOLENIA SP. (RARE/)
  ROUXIA CALIFORNICA (RARE/)
  STEPHANOPYXIS INERMIS (RARE/)
  STEPHANOPYXIS TURRIS (RARE/)
  SYNEDRA JOUSEANA (RARE/)
  THALASSIOSIRA ANTIQUA (RARE/)
  THALASSIOSIRA NATIVA (RARE/)
  THALASSIONEMA NITZSCHIOIDES (ABUNDANT/)
  THALASSIOTHRIX LONGISSIMA (RARE/)



Leg : 31    Top/Bot Interval(mm):    0/   0  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   351.50   Group Abund: RARE
Core:  16   Depth Top Sample(m) :   353.10
Sect: CC    No. Observed Fossils:     2      Group Presv: POOR

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  COSCINODISCUS MARGINATUS (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)



Leg : 31    Top/Bot Interval(mm):  150/ 160  Sample Age : PLIOCENE
Hole: 302   Depth Top of Core(m):   456.00   Group Abund: RARE
Core:  17   Depth Top Sample(m) :   456.16
Sect:  1    No. Observed Fossils:     3      Group Presv: POOR

Date:       Investigator(s): KOIZUMI,I.
Join:       IR Volume/Page : 31/ 793

Fossils (Abundance/Preservation):
================================
  COSCINODISCUS MARGINATUS (RARE/)
  LICMORPHORA SP. (RARE/)
  THALASSIONEMA NITZSCHIOIDES (RARE/)



    

Introduction


Cite as: Deep Sea Drilling Project (1989): Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). National Geophysical Data Center, NOAA. doi:10.7289/V54M92G2 [access date]

These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced in 1989 and modified in 2000 by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center (now part of the National Centers for Environmental Information), and collocated World Data Center for Marine Geology and Geophysics, Boulder (now part of the World Data Service for Geophysics). Data were compiled in cooperation with the U.S. Science Support Program, of the Joint Oceanographic Institutions, Inc. (now the Consortium for Ocean Leadership), and the U.S. National Science Foundation.

Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.

Department of Commerce > NOAA > NESDIS > NCEI > doi:10.7289/V54M92G2