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Core Data from the Deep Sea Drilling Project


Leg : 28    Top/Bot Interval(mm):  580/ 600  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):    80.50
Core:   1   Depth Top Sample(m) :    81.09
Sect:  1    No. Observed Fossils:     3

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  DENTICULA ANTARCTICA (RARE/)
  LIRADISCUS SP. (RARE/)
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm): 1280/1300  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   110.00
Core:   3   Depth Top Sample(m) :   111.29
Sect:  1    No. Observed Fossils:     3

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  DENTICULA ANTARCTICA (RARE/)
  LIRADISCUS SP. (RARE/)
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm):  300/ 320  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   119.50
Core:   4   Depth Top Sample(m) :   121.31
Sect:  2    No. Observed Fossils:     4

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  COSCINODISCUS APICULATUS (RARE/)
  DENTICULA ANTARCTICA (RARE/)
  LIRADISCUS SP. (RARE/)
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm): 1040/1060  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   138.50
Core:   6   Depth Top Sample(m) :   139.55
Sect:  1    No. Observed Fossils:     6

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  COSCINODISCUS APICULATUS (FEW/)
  COSCINODISCUS STELLARIS SYMBOLOPHORUS (FEW/)
  DENTICULA ANTARCTICA (COMMON/)
  LIRADISCUS OVALIS (RARE/)
  TRINACRIA EXCAVATA (COMMON/)
  TRINACRIA PILEOLUS (COMMON/)



Leg : 28    Top/Bot Interval(mm): 1200/1220  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   138.50
Core:   6   Depth Top Sample(m) :   139.71
Sect:  1    No. Observed Fossils:     2

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  DENTICULA ANTARCTICA (COMMON/)
  TRINACRIA PILEOLUS (COMMON/)



Leg : 28    Top/Bot Interval(mm):    0/   0  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   138.50
Core:   6   Depth Top Sample(m) :   141.60
Sect: CC    No. Observed Fossils:     4

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  COSCINODISCUS APICULATUS (RARE/)
  TRINACRIA EXCAVATA (RARE/)
  TRINACRIA PILEOLUS (RARE/)



Leg : 28    Top/Bot Interval(mm):  360/ 380  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   148.00
Core:   7   Depth Top Sample(m) :   148.37
Sect:  1    No. Observed Fossils:     4

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  DENTICULA ANTARCTICA (RARE/)
  LIRADISCUS SP. (RARE/)
  TRINACRIA EXCAVATA (RARE/)
  TRINACRIA PILEOLUS (RARE/)



Leg : 28    Top/Bot Interval(mm):  350/ 370  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   157.50
Core:   8   Depth Top Sample(m) :   159.36
Sect:  2    No. Observed Fossils:     3

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  DENTICULA ANTARCTICA (RARE/)
  TRINACRIA EXCAVATA (FEW/)
  TRINACRIA PILEOLUS (FEW/)



Leg : 28    Top/Bot Interval(mm): 1170/1190  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   157.50
Core:   8   Depth Top Sample(m) :   161.68
Sect:  3    No. Observed Fossils:     5

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  COSCINODISCUS APICULATUS (FEW/)
  DENTICULA ANTARCTICA (FEW/)
  TRINACRIA EXCAVATA (COMMON/)
  TRINACRIA PILEOLUS (COMMON/)



Leg : 28    Top/Bot Interval(mm):  790/ 820  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   167.00
Core:   9   Depth Top Sample(m) :   167.81
Sect:  1    No. Observed Fossils:     2

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  DENTICULA ANTARCTICA (RARE/)
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm):  300/ 320  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   176.50
Core:  10   Depth Top Sample(m) :   178.31
Sect:  2    No. Observed Fossils:     4

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  COSCINODISCUS APICULATUS (RARE/)
  DENTICULA ANTARCTICA (RARE/)
  LIRADISCUS SP. (RARE/)
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm):  380/ 400  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   179.50
Core:  11   Depth Top Sample(m) :   181.39
Sect:  2    No. Observed Fossils:     2

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  DENTICULA ANTARCTICA (RARE/)
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm): 1370/1390  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   186.00
Core:  12   Depth Top Sample(m) :   187.38
Sect:  1    No. Observed Fossils:     2

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  DENTICULA ANTARCTICA (RARE/)
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm): 1400/1420  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   195.50
Core:  13   Depth Top Sample(m) :   198.41
Sect:  2    No. Observed Fossils:     3

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  COSCINODISCUS APICULATUS (RARE/)
  DENTICULA ANTARCTICA (RARE/)
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm): 1340/1360  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   205.00
Core:  14   Depth Top Sample(m) :   206.35
Sect:  1    No. Observed Fossils:     2

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  DENTICULA ANTARCTICA (RARE/)
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm): 1040/1060  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   214.50
Core:  15   Depth Top Sample(m) :   215.55
Sect:  1    No. Observed Fossils:     3

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  DENTICULA ANTARCTICA (RARE/)
  LIRADISCUS SP. (RARE/)
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm): 1300/1320  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   224.00
Core:  16   Depth Top Sample(m) :   226.81
Sect:  2    No. Observed Fossils:     3

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  COSCINODISCUS APICULATUS (RARE/)
  DENTICULA ANTARCTICA (RARE/)
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm):  300/ 320  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   233.50
Core:  17   Depth Top Sample(m) :   235.31
Sect:  2    No. Observed Fossils:     3

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  DENTICULA ANTARCTICA (RARE/)
  TRINACRIA EXCAVATA (RARE/)
  TRINACRIA PILEOLUS (RARE/)



Leg : 28    Top/Bot Interval(mm): 1230/1250  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   243.00
Core:  18   Depth Top Sample(m) :   244.24
Sect:  1    No. Observed Fossils:     3

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  DENTICULA ANTARCTICA (RARE/)
  LIRADISCUS SP. (RARE/)
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm):    0/   0  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   243.00
Core:  18   Depth Top Sample(m) :   244.60
Sect: CC    No. Observed Fossils:     5

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  COSCINODISCUS APICULATUS (RARE/)
  DENTICULA ANTARCTICA (FEW/)
  TRINACRIA EXCAVATA (RARE/)
  TRINACRIA PILEOLUS (RARE/)



Leg : 28    Top/Bot Interval(mm): 1450/1470  Sample Age : MIDDLE MIOCENE
Hole: 273A  Depth Top of Core(m):   271.50
Core:  21   Depth Top Sample(m) :   272.96
Sect:  1    No. Observed Fossils:     2

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  DENTICULA ANTARCTICA (RARE/)
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm):  870/ 890  Sample Age : LOWER MIOCENE
Hole: 273A  Depth Top of Core(m):   273.50
Core:  22   Depth Top Sample(m) :   274.38
Sect:  1    No. Observed Fossils:     1

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm):    0/   0  Sample Age : LOWER MIOCENE
Hole: 273A  Depth Top of Core(m):   273.50
Core:  22   Depth Top Sample(m) :   278.10
Sect: CC    No. Observed Fossils:     4

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  COSCINODISCUS APICULATUS (RARE/)
  TRINACRIA EXCAVATA (RARE/)
  TRINACRIA PILEOLUS (RARE/)



Leg : 28    Top/Bot Interval(mm): 1320/1340  Sample Age : LOWER MIOCENE
Hole: 273A  Depth Top of Core(m):   281.00
Core:  23   Depth Top Sample(m) :   282.33
Sect:  1    No. Observed Fossils:     1

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm): 1440/1460  Sample Age : LOWER MIOCENE
Hole: 273A  Depth Top of Core(m):   290.50
Core:  24   Depth Top Sample(m) :   291.95
Sect:  1    No. Observed Fossils:     1

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm): 1250/1270  Sample Age : LOWER MIOCENE
Hole: 273A  Depth Top of Core(m):   300.00
Core:  25   Depth Top Sample(m) :   301.26
Sect:  1    No. Observed Fossils:     1

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm): 1090/1110  Sample Age : LOWER MIOCENE
Hole: 273A  Depth Top of Core(m):   309.50
Core:  26   Depth Top Sample(m) :   310.60
Sect:  1    No. Observed Fossils:     1

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm): 1390/1410  Sample Age : LOWER MIOCENE
Hole: 273A  Depth Top of Core(m):   319.00
Core:  27   Depth Top Sample(m) :   320.40
Sect:  1    No. Observed Fossils:     1

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  TRINACRIA EXCAVATA (RARE/)



Leg : 28    Top/Bot Interval(mm):    0/   0  Sample Age : LOWER MIOCENE
Hole: 273A  Depth Top of Core(m):   328.50
Core:  28   Depth Top Sample(m) :   328.60
Sect: CC    No. Observed Fossils:     2

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  ACTINOPTYCHUS UNDULATUS (RARE/)
  COSCINODISCUS APICULATUS (RARE/)



Leg : 28    Top/Bot Interval(mm): 1450/1470  Sample Age : LOWER MIOCENE
Hole: 273A  Depth Top of Core(m):   338.00
Core:  29   Depth Top Sample(m) :   340.96
Sect:  2    No. Observed Fossils:     1

Date:   775 Investigator(s): MCCOLLUM,D.W.
Join:       IR Volume/Page : 28/ 527

Fossils (Abundance/Preservation):
================================
  TRINACRIA EXCAVATA (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