Annotated record of the detailed examination of Mn deposits observed by the CESAR Canadian Station in the Alpha Ridge, Arctic Ocean
An evaluation is made of the sediment transport pathways which lead to the accumulation of the bottom material in the vicinity of the Alpha Ridge. An estimate is also given of the sources of the material, the factors controlling deposition and, where appropriate, on the accumulation rates. Biogenic...
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1985
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Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.868391 https://doi.org/10.1594/PANGAEA.868391 |
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.868391 2023-05-15T13:20:22+02:00 Annotated record of the detailed examination of Mn deposits observed by the CESAR Canadian Station in the Alpha Ridge, Arctic Ocean Amos, Carl L LATITUDE: 85.825610 * LONGITUDE: -109.246400 * DATE/TIME START: 1983-04-27T00:00:00 * DATE/TIME END: 1983-04-27T00:00:00 * MINIMUM DEPTH, sediment/rock: 0 m * MAXIMUM DEPTH, sediment/rock: 0 m 1985-11-14 text/tab-separated-values, 10 data points https://doi.pangaea.de/10.1594/PANGAEA.868391 https://doi.org/10.1594/PANGAEA.868391 en eng PANGAEA Grant, John Bruce; Moore, Carla J; Alameddin, George; Chen, Kuiying; Barton, Mark (1992): The NOAA and MMS Marine Minerals Geochemical Database. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V52Z13FT Warnken, Robin R; Virden, William T; Moore, Carla J (1992): The NOAA and MMS Marine Minerals Bibliography. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V53X84KN https://doi.pangaea.de/10.1594/PANGAEA.868391 https://doi.org/10.1594/PANGAEA.868391 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Amos, Carl L (1985): Bottom photography and sediment analyses on CESAR. In: Jackson, H R; Mudie, P J & Blasco, S M, Initial geological report on CESAR - the Canadian Expedition to Study the Alpha Ridge, Arctic Ocean, Geological Survey of Canada, 84-22, 25-45, hdl:10013/epic.48914.d001 Alpha Ridge Arctic Ocean CESAR CESAR_83-9C Comment Deposit type DEPTH sediment/rock Description File name Identification NOAA and MMS Marine Minerals Geochemical Database NOAA-MMS Photo/Video Position PV Quantity of deposit Sampling/drilling from ice Sediment type Substrate type Uniform resource locator/link to image Visual description Dataset 1985 ftpangaea https://doi.org/10.1594/PANGAEA.868391 https://doi.org/10.7289/V52Z13FT https://doi.org/10.7289/V53X84KN 2023-01-20T09:08:10Z An evaluation is made of the sediment transport pathways which lead to the accumulation of the bottom material in the vicinity of the Alpha Ridge. An estimate is also given of the sources of the material, the factors controlling deposition and, where appropriate, on the accumulation rates. Biogenic material, ice-rafted debris and weathered bedrock by- products make up the majority of the seabed sediment. The relative abundance of each component varies from the Alpha Ridge crest to the trough. Minor amounts of eolian-derived debris were detected in the pack ice and yet lower amounts of inorganic debris were measured in the water column. Ice-rafted pebbles and cobbles were generally rounded and calcerous. Which suggests a source from a coastal region on the adjacent Canadian landmass. The recovery of bedrock in the dredging program verifies the occurrence of outcrops on the south flank of the northern Alpha Ridge crest. The samples recovered are (1) well weathered basalts which have an elemental composition similar to floes sampled in the ice pack and water column, and (2) from fine grained sediment samples recovered from adjacent basins. A local bedrock source of bottom sediments had not hitherto been considered significant. Dataset alpha ridge Arctic Arctic Arctic Ocean PANGAEA - Data Publisher for Earth & Environmental Science Arctic Arctic Ocean Alpha Ridge ENVELOPE(-120.000,-120.000,85.500,85.500) Crest The ENVELOPE(-56.992,-56.992,-63.406,-63.406) ENVELOPE(-109.246400,-109.246400,85.825610,85.825610) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Alpha Ridge Arctic Ocean CESAR CESAR_83-9C Comment Deposit type DEPTH sediment/rock Description File name Identification NOAA and MMS Marine Minerals Geochemical Database NOAA-MMS Photo/Video Position PV Quantity of deposit Sampling/drilling from ice Sediment type Substrate type Uniform resource locator/link to image Visual description |
spellingShingle |
Alpha Ridge Arctic Ocean CESAR CESAR_83-9C Comment Deposit type DEPTH sediment/rock Description File name Identification NOAA and MMS Marine Minerals Geochemical Database NOAA-MMS Photo/Video Position PV Quantity of deposit Sampling/drilling from ice Sediment type Substrate type Uniform resource locator/link to image Visual description Amos, Carl L Annotated record of the detailed examination of Mn deposits observed by the CESAR Canadian Station in the Alpha Ridge, Arctic Ocean |
topic_facet |
Alpha Ridge Arctic Ocean CESAR CESAR_83-9C Comment Deposit type DEPTH sediment/rock Description File name Identification NOAA and MMS Marine Minerals Geochemical Database NOAA-MMS Photo/Video Position PV Quantity of deposit Sampling/drilling from ice Sediment type Substrate type Uniform resource locator/link to image Visual description |
description |
An evaluation is made of the sediment transport pathways which lead to the accumulation of the bottom material in the vicinity of the Alpha Ridge. An estimate is also given of the sources of the material, the factors controlling deposition and, where appropriate, on the accumulation rates. Biogenic material, ice-rafted debris and weathered bedrock by- products make up the majority of the seabed sediment. The relative abundance of each component varies from the Alpha Ridge crest to the trough. Minor amounts of eolian-derived debris were detected in the pack ice and yet lower amounts of inorganic debris were measured in the water column. Ice-rafted pebbles and cobbles were generally rounded and calcerous. Which suggests a source from a coastal region on the adjacent Canadian landmass. The recovery of bedrock in the dredging program verifies the occurrence of outcrops on the south flank of the northern Alpha Ridge crest. The samples recovered are (1) well weathered basalts which have an elemental composition similar to floes sampled in the ice pack and water column, and (2) from fine grained sediment samples recovered from adjacent basins. A local bedrock source of bottom sediments had not hitherto been considered significant. |
format |
Dataset |
author |
Amos, Carl L |
author_facet |
Amos, Carl L |
author_sort |
Amos, Carl L |
title |
Annotated record of the detailed examination of Mn deposits observed by the CESAR Canadian Station in the Alpha Ridge, Arctic Ocean |
title_short |
Annotated record of the detailed examination of Mn deposits observed by the CESAR Canadian Station in the Alpha Ridge, Arctic Ocean |
title_full |
Annotated record of the detailed examination of Mn deposits observed by the CESAR Canadian Station in the Alpha Ridge, Arctic Ocean |
title_fullStr |
Annotated record of the detailed examination of Mn deposits observed by the CESAR Canadian Station in the Alpha Ridge, Arctic Ocean |
title_full_unstemmed |
Annotated record of the detailed examination of Mn deposits observed by the CESAR Canadian Station in the Alpha Ridge, Arctic Ocean |
title_sort |
annotated record of the detailed examination of mn deposits observed by the cesar canadian station in the alpha ridge, arctic ocean |
publisher |
PANGAEA |
publishDate |
1985 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.868391 https://doi.org/10.1594/PANGAEA.868391 |
op_coverage |
LATITUDE: 85.825610 * LONGITUDE: -109.246400 * DATE/TIME START: 1983-04-27T00:00:00 * DATE/TIME END: 1983-04-27T00:00:00 * MINIMUM DEPTH, sediment/rock: 0 m * MAXIMUM DEPTH, sediment/rock: 0 m |
long_lat |
ENVELOPE(-120.000,-120.000,85.500,85.500) ENVELOPE(-56.992,-56.992,-63.406,-63.406) ENVELOPE(-109.246400,-109.246400,85.825610,85.825610) |
geographic |
Arctic Arctic Ocean Alpha Ridge Crest The |
geographic_facet |
Arctic Arctic Ocean Alpha Ridge Crest The |
genre |
alpha ridge Arctic Arctic Arctic Ocean |
genre_facet |
alpha ridge Arctic Arctic Arctic Ocean |
op_source |
Supplement to: Amos, Carl L (1985): Bottom photography and sediment analyses on CESAR. In: Jackson, H R; Mudie, P J & Blasco, S M, Initial geological report on CESAR - the Canadian Expedition to Study the Alpha Ridge, Arctic Ocean, Geological Survey of Canada, 84-22, 25-45, hdl:10013/epic.48914.d001 |
op_relation |
Grant, John Bruce; Moore, Carla J; Alameddin, George; Chen, Kuiying; Barton, Mark (1992): The NOAA and MMS Marine Minerals Geochemical Database. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V52Z13FT Warnken, Robin R; Virden, William T; Moore, Carla J (1992): The NOAA and MMS Marine Minerals Bibliography. National Geophysical Data Center, NOAA, https://doi.org/10.7289/V53X84KN https://doi.pangaea.de/10.1594/PANGAEA.868391 https://doi.org/10.1594/PANGAEA.868391 |
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.868391 https://doi.org/10.7289/V52Z13FT https://doi.org/10.7289/V53X84KN |
_version_ |
1766353027763011584 |