leg site hole core section top interval depth(cm) bottom interval depth (cm) coredepth(m) sample depth(m) total number of observed fossils investigators name publication date (month/year) dsdp initial report volume number fossil group group abundance chemical overgrowth chemical dissolution mechanical preservations age page number reference fossil code fossil fossil abundance fossil preservation record join code 28 273 1 1 71.0 73.0 0.00 0.72 6 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DASTR0160 Asteromphalus parvulus COMMON 1 28 273 1 1 71.0 73.0 0.00 0.72 6 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCHAR0010 Charcotia actinochilus COMMON 1 28 273 1 1 71.0 73.0 0.00 0.72 6 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCOSC0350 Coscinodiscus furcatus COMMON 1 28 273 1 1 71.0 73.0 0.00 0.72 6 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DEUCA0010 Eucampia balaustium COMMON 1 28 273 1 1 71.0 73.0 0.00 0.72 6 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DNITZ0100 Nitzschia curta COMMON 1 28 273 1 1 71.0 73.0 0.00 0.72 6 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DNITZ0330 Nitzschia kerguelensis COMMON 1 28 273 1 1 80.0 82.0 0.00 0.81 7 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DACIN0100 Actinoptychus undulatus RARE 1 28 273 1 1 80.0 82.0 0.00 0.81 7 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DACTI0140 Actinocyclus ingens RARE 1 28 273 1 1 80.0 82.0 0.00 0.81 7 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCOSC0050 Coscinodiscus apiculatus RARE 1 28 273 1 1 80.0 82.0 0.00 0.81 7 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 1 1 80.0 82.0 0.00 0.81 7 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DNITZ0330 Nitzschia kerguelensis RARE 1 28 273 1 1 80.0 82.0 0.00 0.81 7 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 1 1 80.0 82.0 0.00 0.81 7 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0060 Trinacria pileolus RARE 1 28 273 1 2 10.0 12.0 0.00 1.61 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 1 2 10.0 12.0 0.00 1.61 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 1 2 60.0 62.0 0.00 2.11 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCOSC0490 Coscinodiscus marginatus RARE 1 28 273 1 2 60.0 62.0 0.00 2.11 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 1 2 110.0 112.0 0.00 2.61 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 1 2 110.0 112.0 0.00 2.61 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 1 3 10.0 12.0 0.00 3.11 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 1 3 10.0 12.0 0.00 3.11 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 1 CC 0.0 0.0 0.00 4.60 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCOSC0050 Coscinodiscus apiculatus RARE 1 28 273 1 CC 0.0 0.0 0.00 4.60 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DEUCA0010 Eucampia balaustium RARE 1 28 273 1 CC 0.0 0.0 0.00 4.60 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 1 CC 0.0 0.0 0.00 4.60 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0060 Trinacria pileolus RARE 1 28 273 2 1 110.0 112.0 4.50 5.61 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DNITZ0330 Nitzschia kerguelensis RARE 1 28 273 2 1 110.0 112.0 4.50 5.61 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 2 1 110.0 112.0 4.50 5.61 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0060 Trinacria pileolus RARE 1 28 273 2 2 15.0 17.0 4.50 6.16 1 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DNITZ0330 Nitzschia kerguelensis RARE 1 28 273 2 2 60.0 62.0 4.50 6.61 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 2 2 60.0 62.0 4.50 6.61 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 2 2 110.0 112.0 4.50 7.11 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 2 2 110.0 112.0 4.50 7.11 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 2 3 63.0 65.0 4.50 8.14 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 2 3 63.0 65.0 4.50 8.14 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DNITZ0330 Nitzschia kerguelensis RARE 1 28 273 2 3 63.0 65.0 4.50 8.14 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 2 4 10.0 12.0 4.50 9.11 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 2 4 10.0 12.0 4.50 9.11 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DLIRA0010 Liradiscus sp. RARE 1 28 273 2 4 10.0 12.0 4.50 9.11 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DNITZ0330 Nitzschia kerguelensis RARE 1 28 273 2 4 10.0 12.0 4.50 9.11 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 2 CC 0.0 0.0 4.50 10.60 8 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DACIN0100 Actinoptychus undulatus RARE 1 28 273 2 CC 0.0 0.0 4.50 10.60 8 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DACTI0140 Actinocyclus ingens RARE 1 28 273 2 CC 0.0 0.0 4.50 10.60 8 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCHAR0010 Charcotia actinochilus RARE 1 28 273 2 CC 0.0 0.0 4.50 10.60 8 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCOSC0840 Coscinodiscus stellaris symbolophorus RARE 1 28 273 2 CC 0.0 0.0 4.50 10.60 8 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 2 CC 0.0 0.0 4.50 10.60 8 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DEUCA0010 Eucampia balaustium RARE 1 28 273 2 CC 0.0 0.0 4.50 10.60 8 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 2 CC 0.0 0.0 4.50 10.60 8 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0060 Trinacria pileolus RARE 1 28 273 3 1 128.0 130.0 14.00 15.29 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 3 1 128.0 130.0 14.00 15.29 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DNITZ0330 Nitzschia kerguelensis RARE 1 28 273 3 1 128.0 130.0 14.00 15.29 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 4 1 105.0 107.0 23.50 24.56 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 4 1 105.0 107.0 23.50 24.56 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 4 2 73.0 75.0 23.50 25.74 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCOSC0490 Coscinodiscus marginatus RARE 1 28 273 4 2 73.0 75.0 23.50 25.74 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 4 2 73.0 75.0 23.50 25.74 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DNITZ0330 Nitzschia kerguelensis RARE 1 28 273 4 2 73.0 75.0 23.50 25.74 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 5 1 50.0 52.0 33.00 33.51 5 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DACIN0100 Actinoptychus undulatus RARE 1 28 273 5 1 50.0 52.0 33.00 33.51 5 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DACTI0140 Actinocyclus ingens RARE 1 28 273 5 1 50.0 52.0 33.00 33.51 5 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCOSC0010 Coscinodiscus sp. RARE 1 28 273 5 1 50.0 52.0 33.00 33.51 5 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DNITZ0330 Nitzschia kerguelensis RARE 1 28 273 5 1 50.0 52.0 33.00 33.51 5 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 5 1 60.0 62.0 33.00 33.61 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DACTI0140 Actinocyclus ingens RARE 1 28 273 5 1 60.0 62.0 33.00 33.61 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCHAR0010 Charcotia actinochilus FEW 1 28 273 5 1 60.0 62.0 33.00 33.61 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DNITZ0330 Nitzschia kerguelensis RARE 1 28 273 5 1 72.0 74.0 33.00 33.73 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DACIN0100 Actinoptychus undulatus RARE 1 28 273 5 1 72.0 74.0 33.00 33.73 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DACTI0140 Actinocyclus ingens RARE 1 28 273 5 1 72.0 74.0 33.00 33.73 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 5 1 80.0 82.0 33.00 33.81 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCHAR0010 Charcotia actinochilus FEW 1 28 273 5 1 80.0 82.0 33.00 33.81 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DEUCA0010 Eucampia balaustium FEW 1 28 273 5 1 99.0 101.0 33.00 34.00 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DACTI0140 Actinocyclus ingens RARE 1 28 273 5 1 99.0 101.0 33.00 34.00 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCHAR0010 Charcotia actinochilus RARE 1 28 273 5 1 99.0 101.0 33.00 34.00 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 5 1 130.0 132.0 33.00 34.31 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCOSC0050 Coscinodiscus apiculatus RARE 1 28 273 5 1 130.0 132.0 33.00 34.31 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 5 1 130.0 132.0 33.00 34.31 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DLIRA0010 Liradiscus sp. RARE 1 28 273 5 1 130.0 132.0 33.00 34.31 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 5 CC 0.0 0.0 33.00 34.60 5 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DACIN0100 Actinoptychus undulatus RARE 1 28 273 5 CC 0.0 0.0 33.00 34.60 5 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCOSC0050 Coscinodiscus apiculatus RARE 1 28 273 5 CC 0.0 0.0 33.00 34.60 5 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCOSC0840 Coscinodiscus stellaris symbolophorus RARE 1 28 273 5 CC 0.0 0.0 33.00 34.60 5 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 5 CC 0.0 0.0 33.00 34.60 5 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0060 Trinacria pileolus RARE 1 28 273 6 1 140.0 142.0 42.50 43.91 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 6 1 140.0 142.0 42.50 43.91 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DLIRA0010 Liradiscus sp. RARE 1 28 273 6 1 140.0 142.0 42.50 43.91 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 6 2 130.0 132.0 42.50 45.31 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 6 2 130.0 132.0 42.50 45.31 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 6 CC 0.0 0.0 42.50 45.60 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DACTI0140 Actinocyclus ingens RARE 1 28 273 6 CC 0.0 0.0 42.50 45.60 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCOSC0050 Coscinodiscus apiculatus RARE 1 28 273 6 CC 0.0 0.0 42.50 45.60 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 6 CC 0.0 0.0 42.50 45.60 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0060 Trinacria pileolus RARE 1 28 273 7 1 110.0 112.0 52.00 53.11 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 7 1 110.0 112.0 52.00 53.11 2 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 8 4 18.0 20.0 61.50 66.19 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 8 4 18.0 20.0 61.50 66.19 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DLIRA0010 Liradiscus sp. RARE 1 28 273 8 4 18.0 20.0 61.50 66.19 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 9 2 127.0 129.0 71.00 73.78 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DDENT0010 Denticula antarctica RARE 1 28 273 9 2 127.0 129.0 71.00 73.78 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DLIRA0010 Liradiscus sp. RARE 1 28 273 9 2 127.0 129.0 71.00 73.78 3 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 9 CC 0.0 0.0 71.00 74.10 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DACIN0100 Actinoptychus undulatus RARE 1 28 273 9 CC 0.0 0.0 71.00 74.10 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DCOSC0050 Coscinodiscus apiculatus RARE 1 28 273 9 CC 0.0 0.0 71.00 74.10 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0040 Trinacria excavata RARE 1 28 273 9 CC 0.0 0.0 71.00 74.10 4 MCCOLLUM,D.W. 07/1975 28 DIATOMS NO AGE GIVEN 527 DTRIN0060 Trinacria pileolus RARE 1