(Table 1) Distribution of planktonic foraminifera in the Paleocene/Cretaceous section of DSDP Hole 93-605 ...
Analysis of planktonic foraminifers from Section 605-66-1 established the Cretaceous/Tertiary (K/T) boundary between 68 and 73 cm. Comparison with the detailed zonation established at El Kef, Tunisia, indicates that some of the section may be missing, probably because of drilling disturbance. The pr...
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1987
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Online Access: | https://dx.doi.org/10.1594/pangaea.251286 https://doi.pangaea.de/10.1594/PANGAEA.251286 |
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ftdatacite:10.1594/pangaea.251286 2024-09-30T14:41:33+00:00 (Table 1) Distribution of planktonic foraminifera in the Paleocene/Cretaceous section of DSDP Hole 93-605 ... Smit, J van Kempen, Th MG 1987 text/tab-separated-values https://dx.doi.org/10.1594/pangaea.251286 https://doi.pangaea.de/10.1594/PANGAEA.251286 en eng PANGAEA https://dx.doi.org/10.2973/dsdp.proc.93.112.1987 Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 Sample code/label DEPTH, sediment/rock Epoch Globotruncana sp. Globotruncana arca Globotruncana elevata Globotruncana fornicata Globotruncana contusa Globotruncana stuarti Globotruncana falsostuarti Rugoglobigerina sp. Rugoglobigerina rugosa Trinitella scotti Globotruncanella caravacaensis Globotruncanella havanensis Globotruncanella monmouthensis Globotruncanella petaloidea Globigerinelloides aspera Globigerinelloides messinae Planoglobulina sp. Racemiguembelina fructicosa Pseudotextularia sp. Heterohelix sp. Abathomphalus intermedius Abathomphalus mayaroensis Guembelitria cretacea Chiloguembelina midwayensis Chiloguembelina sp. Eoglobigerina edita Eoglobigerina sp. Globigerina pseudobulloides Globigerina triloculinoides Planorotalites compressus Globoconusa daubjergensis Drilling/drill rig DSDP/ODP/IODP sample designation Leg93 Glomar Challenger Deep Sea Drilling Project DSDP Supplementary Dataset Dataset dataset 1987 ftdatacite https://doi.org/10.1594/pangaea.25128610.2973/dsdp.proc.93.112.1987 2024-09-02T08:39:17Z Analysis of planktonic foraminifers from Section 605-66-1 established the Cretaceous/Tertiary (K/T) boundary between 68 and 73 cm. Comparison with the detailed zonation established at El Kef, Tunisia, indicates that some of the section may be missing, probably because of drilling disturbance. The preservation of the planktonic foraminifers is generally good, particularly in the basal Paleocene section. However, extensive dissolution and the many broken specimens render quantitative estimates unreliable. There were no microtektite-like spherules to suggest a layer rich in extraterrestrial components, as have been found in most complete pelagic K/T boundary sections. The better preservation of Paleocene foraminiferal test in this core and in many other DSDP cores from other basins is probably due to a change in oceanic carbonate chemistry exactly at the K/T boundary. This may have been caused by a temporary and almost complete disappearance of carbonate-fixing organisms at the boundary. ... : D = dissolved, P = present, C = common, ? = questionable, - = absent. ... Dataset Planktonic foraminifera DataCite Rugosa ENVELOPE(-61.250,-61.250,-62.633,-62.633) |
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collection |
DataCite |
op_collection_id |
ftdatacite |
language |
English |
topic |
Sample code/label DEPTH, sediment/rock Epoch Globotruncana sp. Globotruncana arca Globotruncana elevata Globotruncana fornicata Globotruncana contusa Globotruncana stuarti Globotruncana falsostuarti Rugoglobigerina sp. Rugoglobigerina rugosa Trinitella scotti Globotruncanella caravacaensis Globotruncanella havanensis Globotruncanella monmouthensis Globotruncanella petaloidea Globigerinelloides aspera Globigerinelloides messinae Planoglobulina sp. Racemiguembelina fructicosa Pseudotextularia sp. Heterohelix sp. Abathomphalus intermedius Abathomphalus mayaroensis Guembelitria cretacea Chiloguembelina midwayensis Chiloguembelina sp. Eoglobigerina edita Eoglobigerina sp. Globigerina pseudobulloides Globigerina triloculinoides Planorotalites compressus Globoconusa daubjergensis Drilling/drill rig DSDP/ODP/IODP sample designation Leg93 Glomar Challenger Deep Sea Drilling Project DSDP |
spellingShingle |
Sample code/label DEPTH, sediment/rock Epoch Globotruncana sp. Globotruncana arca Globotruncana elevata Globotruncana fornicata Globotruncana contusa Globotruncana stuarti Globotruncana falsostuarti Rugoglobigerina sp. Rugoglobigerina rugosa Trinitella scotti Globotruncanella caravacaensis Globotruncanella havanensis Globotruncanella monmouthensis Globotruncanella petaloidea Globigerinelloides aspera Globigerinelloides messinae Planoglobulina sp. Racemiguembelina fructicosa Pseudotextularia sp. Heterohelix sp. Abathomphalus intermedius Abathomphalus mayaroensis Guembelitria cretacea Chiloguembelina midwayensis Chiloguembelina sp. Eoglobigerina edita Eoglobigerina sp. Globigerina pseudobulloides Globigerina triloculinoides Planorotalites compressus Globoconusa daubjergensis Drilling/drill rig DSDP/ODP/IODP sample designation Leg93 Glomar Challenger Deep Sea Drilling Project DSDP Smit, J van Kempen, Th MG (Table 1) Distribution of planktonic foraminifera in the Paleocene/Cretaceous section of DSDP Hole 93-605 ... |
topic_facet |
Sample code/label DEPTH, sediment/rock Epoch Globotruncana sp. Globotruncana arca Globotruncana elevata Globotruncana fornicata Globotruncana contusa Globotruncana stuarti Globotruncana falsostuarti Rugoglobigerina sp. Rugoglobigerina rugosa Trinitella scotti Globotruncanella caravacaensis Globotruncanella havanensis Globotruncanella monmouthensis Globotruncanella petaloidea Globigerinelloides aspera Globigerinelloides messinae Planoglobulina sp. Racemiguembelina fructicosa Pseudotextularia sp. Heterohelix sp. Abathomphalus intermedius Abathomphalus mayaroensis Guembelitria cretacea Chiloguembelina midwayensis Chiloguembelina sp. Eoglobigerina edita Eoglobigerina sp. Globigerina pseudobulloides Globigerina triloculinoides Planorotalites compressus Globoconusa daubjergensis Drilling/drill rig DSDP/ODP/IODP sample designation Leg93 Glomar Challenger Deep Sea Drilling Project DSDP |
description |
Analysis of planktonic foraminifers from Section 605-66-1 established the Cretaceous/Tertiary (K/T) boundary between 68 and 73 cm. Comparison with the detailed zonation established at El Kef, Tunisia, indicates that some of the section may be missing, probably because of drilling disturbance. The preservation of the planktonic foraminifers is generally good, particularly in the basal Paleocene section. However, extensive dissolution and the many broken specimens render quantitative estimates unreliable. There were no microtektite-like spherules to suggest a layer rich in extraterrestrial components, as have been found in most complete pelagic K/T boundary sections. The better preservation of Paleocene foraminiferal test in this core and in many other DSDP cores from other basins is probably due to a change in oceanic carbonate chemistry exactly at the K/T boundary. This may have been caused by a temporary and almost complete disappearance of carbonate-fixing organisms at the boundary. ... : D = dissolved, P = present, C = common, ? = questionable, - = absent. ... |
format |
Dataset |
author |
Smit, J van Kempen, Th MG |
author_facet |
Smit, J van Kempen, Th MG |
author_sort |
Smit, J |
title |
(Table 1) Distribution of planktonic foraminifera in the Paleocene/Cretaceous section of DSDP Hole 93-605 ... |
title_short |
(Table 1) Distribution of planktonic foraminifera in the Paleocene/Cretaceous section of DSDP Hole 93-605 ... |
title_full |
(Table 1) Distribution of planktonic foraminifera in the Paleocene/Cretaceous section of DSDP Hole 93-605 ... |
title_fullStr |
(Table 1) Distribution of planktonic foraminifera in the Paleocene/Cretaceous section of DSDP Hole 93-605 ... |
title_full_unstemmed |
(Table 1) Distribution of planktonic foraminifera in the Paleocene/Cretaceous section of DSDP Hole 93-605 ... |
title_sort |
(table 1) distribution of planktonic foraminifera in the paleocene/cretaceous section of dsdp hole 93-605 ... |
publisher |
PANGAEA |
publishDate |
1987 |
url |
https://dx.doi.org/10.1594/pangaea.251286 https://doi.pangaea.de/10.1594/PANGAEA.251286 |
long_lat |
ENVELOPE(-61.250,-61.250,-62.633,-62.633) |
geographic |
Rugosa |
geographic_facet |
Rugosa |
genre |
Planktonic foraminifera |
genre_facet |
Planktonic foraminifera |
op_relation |
https://dx.doi.org/10.2973/dsdp.proc.93.112.1987 |
op_rights |
Creative Commons Attribution 3.0 Unported https://creativecommons.org/licenses/by/3.0/legalcode cc-by-3.0 |
op_doi |
https://doi.org/10.1594/pangaea.25128610.2973/dsdp.proc.93.112.1987 |
_version_ |
1811644019681263616 |