Benthic and planktonic foraminifera in the Japan Sea
Biostratigraphy and paleoenvironmental history of deep and surficial waters of the Japan Sea are addressed using sequences recovered from the floor of the backarc basin. The study is divided into two parts: (1) foraminifer biostratigraphy and paleoenvironmental assessment of sedimentary sequences re...
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1992
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.771327 2023-05-15T18:01:07+02:00 Benthic and planktonic foraminifera in the Japan Sea Brunner, Charlotte A MEDIAN LATITUDE: 40.678111 * MEDIAN LONGITUDE: 137.343511 * SOUTH-BOUND LATITUDE: 38.616000 * WEST-BOUND LONGITUDE: 134.536000 * NORTH-BOUND LATITUDE: 43.987000 * EAST-BOUND LONGITUDE: 139.414000 * DATE/TIME START: 1989-06-26T15:15:00 * DATE/TIME END: 1989-08-18T17:00:00 1992-11-11 application/zip, 9 datasets https://doi.pangaea.de/10.1594/PANGAEA.771327 https://doi.org/10.1594/PANGAEA.771327 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.771327 https://doi.org/10.1594/PANGAEA.771327 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Brunner, Charlotte A (1992): Paleoenvironment and biostratigraphy of foraminifers at Sites 794, 795, 796, and 797 in the Japan Sea. In: Pisciotto, KA; Ingle, JCJr.; von Breymann, MT; Barron, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 127/128(1), 187-224, https://doi.org/10.2973/odp.proc.sr.127128-1.124.1992 127-794A 127-794B 127-795A 127-795B 127-796A 127-796B 127-797A 127-797B 127-797C DRILL Drilling/drill rig Japan Sea Joides Resolution Leg127 Ocean Drilling Program ODP Dataset 1992 ftpangaea https://doi.org/10.1594/PANGAEA.771327 https://doi.org/10.2973/odp.proc.sr.127128-1.124.1992 2023-01-20T07:32:20Z Biostratigraphy and paleoenvironmental history of deep and surficial waters of the Japan Sea are addressed using sequences recovered from the floor of the backarc basin. The study is divided into two parts: (1) foraminifer biostratigraphy and paleoenvironmental assessment of sedimentary sequences recovered from above igneous basement at the four sites and (2) detailed planktonic foraminifer paleoenvironmental analysis of Quaternary and Pliocene sequences from Sites 794 and 797 in the Yamato Basin. A total of 253 samples were examined for the foraminifer biostratigraphy and 325 samples for the detailed paleoenvironmental study of Quaternary and Pliocene sequences. Low abundance and sporadic occurrence of foraminifers limited interpretation of results. Foraminifer-bearing intervals were correlated where possible to diatom and calcareous nannofossil zonations, and the sequences were successfully assigned to the foraminifer zonation of Matsunaga. Unfortunately, extensive barren intervals and sporadic occurrences of planktonic foraminifers prevented zonation of Quaternary and Pliocene intervals, although some interesting conclusions about paleoenvironment were possible and are listed below. A sequence of Neogene (sensu lato) paleoenvironmental events were identified: (1) deepening of the Yamato basins to middle bathyal depths by the early to middle Miocene, an event contemporaneous with the age of some deep basins known from uplifted sections adjacent to the Japan Basin; (2) cooling of the Japan Sea in the early middle Miocene; (3) oxygenation of deep waters in the late Miocene; (4) further cooling of surficial water masses between the Olduvai Subchron and the Brunhes/Matuyama Boundary; and (5) extermination of lower middle bathyal faunas and replacement by upper middle bathyal faunas near the base of the Quaternary. Dataset Planktonic foraminifera PANGAEA - Data Publisher for Earth & Environmental Science Yamato ENVELOPE(35.583,35.583,-71.417,-71.417) ENVELOPE(134.536000,139.414000,43.987000,38.616000) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
127-794A 127-794B 127-795A 127-795B 127-796A 127-796B 127-797A 127-797B 127-797C DRILL Drilling/drill rig Japan Sea Joides Resolution Leg127 Ocean Drilling Program ODP |
spellingShingle |
127-794A 127-794B 127-795A 127-795B 127-796A 127-796B 127-797A 127-797B 127-797C DRILL Drilling/drill rig Japan Sea Joides Resolution Leg127 Ocean Drilling Program ODP Brunner, Charlotte A Benthic and planktonic foraminifera in the Japan Sea |
topic_facet |
127-794A 127-794B 127-795A 127-795B 127-796A 127-796B 127-797A 127-797B 127-797C DRILL Drilling/drill rig Japan Sea Joides Resolution Leg127 Ocean Drilling Program ODP |
description |
Biostratigraphy and paleoenvironmental history of deep and surficial waters of the Japan Sea are addressed using sequences recovered from the floor of the backarc basin. The study is divided into two parts: (1) foraminifer biostratigraphy and paleoenvironmental assessment of sedimentary sequences recovered from above igneous basement at the four sites and (2) detailed planktonic foraminifer paleoenvironmental analysis of Quaternary and Pliocene sequences from Sites 794 and 797 in the Yamato Basin. A total of 253 samples were examined for the foraminifer biostratigraphy and 325 samples for the detailed paleoenvironmental study of Quaternary and Pliocene sequences. Low abundance and sporadic occurrence of foraminifers limited interpretation of results. Foraminifer-bearing intervals were correlated where possible to diatom and calcareous nannofossil zonations, and the sequences were successfully assigned to the foraminifer zonation of Matsunaga. Unfortunately, extensive barren intervals and sporadic occurrences of planktonic foraminifers prevented zonation of Quaternary and Pliocene intervals, although some interesting conclusions about paleoenvironment were possible and are listed below. A sequence of Neogene (sensu lato) paleoenvironmental events were identified: (1) deepening of the Yamato basins to middle bathyal depths by the early to middle Miocene, an event contemporaneous with the age of some deep basins known from uplifted sections adjacent to the Japan Basin; (2) cooling of the Japan Sea in the early middle Miocene; (3) oxygenation of deep waters in the late Miocene; (4) further cooling of surficial water masses between the Olduvai Subchron and the Brunhes/Matuyama Boundary; and (5) extermination of lower middle bathyal faunas and replacement by upper middle bathyal faunas near the base of the Quaternary. |
format |
Dataset |
author |
Brunner, Charlotte A |
author_facet |
Brunner, Charlotte A |
author_sort |
Brunner, Charlotte A |
title |
Benthic and planktonic foraminifera in the Japan Sea |
title_short |
Benthic and planktonic foraminifera in the Japan Sea |
title_full |
Benthic and planktonic foraminifera in the Japan Sea |
title_fullStr |
Benthic and planktonic foraminifera in the Japan Sea |
title_full_unstemmed |
Benthic and planktonic foraminifera in the Japan Sea |
title_sort |
benthic and planktonic foraminifera in the japan sea |
publisher |
PANGAEA |
publishDate |
1992 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.771327 https://doi.org/10.1594/PANGAEA.771327 |
op_coverage |
MEDIAN LATITUDE: 40.678111 * MEDIAN LONGITUDE: 137.343511 * SOUTH-BOUND LATITUDE: 38.616000 * WEST-BOUND LONGITUDE: 134.536000 * NORTH-BOUND LATITUDE: 43.987000 * EAST-BOUND LONGITUDE: 139.414000 * DATE/TIME START: 1989-06-26T15:15:00 * DATE/TIME END: 1989-08-18T17:00:00 |
long_lat |
ENVELOPE(35.583,35.583,-71.417,-71.417) ENVELOPE(134.536000,139.414000,43.987000,38.616000) |
geographic |
Yamato |
geographic_facet |
Yamato |
genre |
Planktonic foraminifera |
genre_facet |
Planktonic foraminifera |
op_source |
Supplement to: Brunner, Charlotte A (1992): Paleoenvironment and biostratigraphy of foraminifers at Sites 794, 795, 796, and 797 in the Japan Sea. In: Pisciotto, KA; Ingle, JCJr.; von Breymann, MT; Barron, J; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 127/128(1), 187-224, https://doi.org/10.2973/odp.proc.sr.127128-1.124.1992 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.771327 https://doi.org/10.1594/PANGAEA.771327 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.771327 https://doi.org/10.2973/odp.proc.sr.127128-1.124.1992 |
_version_ |
1766170455766466560 |