Core DF87-9 (JOIDES Basin, outer shelf break, possible sediment gravity flow)
Associated publications
| Title | Author(s) | Publication | DOI | View cores |
|---|---|---|---|---|
| Late Cenozoic glacial-marine, carbonate, and turbidite sedimentation in the northwestern Ross Sea, Antarctica | Reid, David Eugene | , 1989 | https://www.proquest.com/docview/194016843/fulltextPDF/306796DA039B49D7PQ/1?accountid=25386&sourcetype=Dissertations%20&%20Theses |
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Core information
| Core name | Region | Collection date | IGSN ID | Core type | Latitude (DD) | Longitude (DD) | Water depth (m) |
Core length (m) |
Comments |
|---|---|---|---|---|---|---|---|---|---|
| DF87-9 | Antarctica, Ross Sea | None | Piston | -73.14000 | 177.11367 | 548.0 | 2.2 | Diatom content increases with depth; bryozoan fragments abundant throughout. |
Expedition information
| Expedition name | Ship | Start date | End date | Report DOI |
|---|---|---|---|---|
| DF87 | USCGC Glacier | Dec. 17, 1986 | Jan. 16, 1987 | https://osu-mgr.org/OSU-DF87 |
Samples in this core
| Sample ID | Core depth (m) |
Lithology | Facies interpretation | Carbon type | Sample preparation type | Age (14C yr ± 1σ) | Calibrated age, median probability (cal. yr BP) | Calibrated age, 2σ range (cal. yr BP) | Comments |
|---|---|---|---|---|---|---|---|---|---|
| DF87-9_5-9 | 0.05 - 0.08 | Calcareous, muddy diatomaceous ooze | Carbonate sedimentation during LGM, low clastic sedimentation, high nutrient supply, seasonal open marine during LGM, east to west increase in current strength, winnowed and current swept seafloor | Bryozoans, barnacles, foraminifera, gastropods, pelycepods, echinoids | Carbonate hydrolysis | 25700.0 ± 420.0 | 27914.0 | 28850.0-27057.0 | None |
| DF87-9_135-138 | 1.35 - 1.38 | Calcareous, muddy diatomaceous ooze | Carbonate sedimentation during LGM, low clastic sedimentation, high nutrient supply, seasonal open marine during LGM, east to west increase in current strength, winnowed and current swept seafloor | Bryozoans, barnacles, foraminifera, gastropods, pelycepods, echinoids | Carbonate hydrolysis | 34590.0 ± 1550.0 | 37321.0 | 40502.0-34172.0 | None |
Associated documents
No associated documents.