(Table 2) Taxonomic composition of diatoms in dredged samples from the island-side slope of the Kuril-Kamchatka Trench
Studies of diatoms from dredge samples collected on the island slope of the Kuril-Kamchatka Trench have allowed to recognize well-preserved marine diatom assemblages corresponding to assemblages of the followed Oligocene zones: Rhizosolenia oligocaenica (subzone ''a'', 33.6-31 Ma...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.763621 2023-05-15T16:58:57+02:00 (Table 2) Taxonomic composition of diatoms in dredged samples from the island-side slope of the Kuril-Kamchatka Trench Tsoy, Ira B MEDIAN LATITUDE: 45.557250 * MEDIAN LONGITUDE: 150.573611 * SOUTH-BOUND LATITUDE: 43.475000 * WEST-BOUND LONGITUDE: 147.323333 * NORTH-BOUND LATITUDE: 49.530000 * EAST-BOUND LONGITUDE: 156.350000 * MINIMUM ELEVATION: -2030.0 m * MAXIMUM ELEVATION: -740.0 m 2002-08-02 text/tab-separated-values, 959 data points https://doi.pangaea.de/10.1594/PANGAEA.763621 https://doi.org/10.1594/PANGAEA.763621 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.763621 https://doi.org/10.1594/PANGAEA.763621 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Tsoy, Ira B (2002): Oligocene diatom assemblages from the island slope deposits of the Kuril-Kamchatka Trench. Translated from Okeanologiya, 2002, 42(2), 267-280, Oceanology, 42(2), 252-265 Actinoptychus intermedius Actinoptychus senarius Actinoptychus spp. Actinostephanos rudis Anaulus acutus Arachnoidiscus ehrenbergii Arachnoidiscus sp. Archive of Ocean Data ARCOD Asterolampra punctifera Asterolampra schmidtii Asteromphalus oligocenicus Asteromphalus spp. Aulacodiscus affinis Aulacodiscus brownii Azpeitia oligocenica Azpeitia spp. Azpeitia tabularis Biddulphia rigida Biddulphia spp. Calculated Cavitatus jouseanus Cavitatus linearis Cavitatus miocenicus Cavitatus rectus Cestodiscus kugleri Cestodiscus mukhinae Cestodiscus spp. Chaetoceros spp. Chasea bicornis Chasea ornata Clavicula arenosa Cocconeis antiqua Cocconeis californica Cocconeis vitrea Coscinodiscus argus Coscinodiscus asteromphalus Coscinodiscus hajosiae Coscinodiscus marginatus Coscinodiscus oculus-iridis Coscinodiscus radiatus Coscinodiscus sectoralis Coscinodiscus spp. Counting diatoms Craspedodiscus sp. Cymatosira lorenziana Diatom zone Dicladia sp. Diploneis sp. Dataset 2002 ftpangaea https://doi.org/10.1594/PANGAEA.763621 2023-01-20T08:52:35Z Studies of diatoms from dredge samples collected on the island slope of the Kuril-Kamchatka Trench have allowed to recognize well-preserved marine diatom assemblages corresponding to assemblages of the followed Oligocene zones: Rhizosolenia oligocaenica (subzone ''a'', 33.6-31 Ma), Cavitatus rectus (29.6-28.2 Ma), and Rocella gelida (28.2-24.0 Ma) as identified in the North Pacific zonal scale. Description of these assemblages and their complete taxonomic composition are presented. Diversity of species together with abundance and degree of preservation of diatoms and accompanying siliceous microorganisms suggests their autochtonous origin and favorable conditions of their development. Assemblages of the Early Oligocene zones Rhizosolenia oligocaenica and Cavitatus rectus recognized in sediments of the outer zone of the Lesser Kuril Ridge (submarine slope of the Shikotan Island) and on the Vityaz' submarine ridge were most probably formed under conditions of a vast shelf, while assemblage of the Late Oligocene zone Rocella gelida encountered only in the region of the Lesser Kuril Ridge formed under more deep-water conditions, presumably, over an island slope. Deepening of the basin in the region of the outer zone of the Lesser Kuril Ridge in Late Oligocene probably reflects one of stages of evolution of the Kuril-Kamchatka Trench. Dataset Kamchatka PANGAEA - Data Publisher for Earth & Environmental Science Pacific ENVELOPE(147.323333,156.350000,49.530000,43.475000) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Actinoptychus intermedius Actinoptychus senarius Actinoptychus spp. Actinostephanos rudis Anaulus acutus Arachnoidiscus ehrenbergii Arachnoidiscus sp. Archive of Ocean Data ARCOD Asterolampra punctifera Asterolampra schmidtii Asteromphalus oligocenicus Asteromphalus spp. Aulacodiscus affinis Aulacodiscus brownii Azpeitia oligocenica Azpeitia spp. Azpeitia tabularis Biddulphia rigida Biddulphia spp. Calculated Cavitatus jouseanus Cavitatus linearis Cavitatus miocenicus Cavitatus rectus Cestodiscus kugleri Cestodiscus mukhinae Cestodiscus spp. Chaetoceros spp. Chasea bicornis Chasea ornata Clavicula arenosa Cocconeis antiqua Cocconeis californica Cocconeis vitrea Coscinodiscus argus Coscinodiscus asteromphalus Coscinodiscus hajosiae Coscinodiscus marginatus Coscinodiscus oculus-iridis Coscinodiscus radiatus Coscinodiscus sectoralis Coscinodiscus spp. Counting diatoms Craspedodiscus sp. Cymatosira lorenziana Diatom zone Dicladia sp. Diploneis sp. |
spellingShingle |
Actinoptychus intermedius Actinoptychus senarius Actinoptychus spp. Actinostephanos rudis Anaulus acutus Arachnoidiscus ehrenbergii Arachnoidiscus sp. Archive of Ocean Data ARCOD Asterolampra punctifera Asterolampra schmidtii Asteromphalus oligocenicus Asteromphalus spp. Aulacodiscus affinis Aulacodiscus brownii Azpeitia oligocenica Azpeitia spp. Azpeitia tabularis Biddulphia rigida Biddulphia spp. Calculated Cavitatus jouseanus Cavitatus linearis Cavitatus miocenicus Cavitatus rectus Cestodiscus kugleri Cestodiscus mukhinae Cestodiscus spp. Chaetoceros spp. Chasea bicornis Chasea ornata Clavicula arenosa Cocconeis antiqua Cocconeis californica Cocconeis vitrea Coscinodiscus argus Coscinodiscus asteromphalus Coscinodiscus hajosiae Coscinodiscus marginatus Coscinodiscus oculus-iridis Coscinodiscus radiatus Coscinodiscus sectoralis Coscinodiscus spp. Counting diatoms Craspedodiscus sp. Cymatosira lorenziana Diatom zone Dicladia sp. Diploneis sp. Tsoy, Ira B (Table 2) Taxonomic composition of diatoms in dredged samples from the island-side slope of the Kuril-Kamchatka Trench |
topic_facet |
Actinoptychus intermedius Actinoptychus senarius Actinoptychus spp. Actinostephanos rudis Anaulus acutus Arachnoidiscus ehrenbergii Arachnoidiscus sp. Archive of Ocean Data ARCOD Asterolampra punctifera Asterolampra schmidtii Asteromphalus oligocenicus Asteromphalus spp. Aulacodiscus affinis Aulacodiscus brownii Azpeitia oligocenica Azpeitia spp. Azpeitia tabularis Biddulphia rigida Biddulphia spp. Calculated Cavitatus jouseanus Cavitatus linearis Cavitatus miocenicus Cavitatus rectus Cestodiscus kugleri Cestodiscus mukhinae Cestodiscus spp. Chaetoceros spp. Chasea bicornis Chasea ornata Clavicula arenosa Cocconeis antiqua Cocconeis californica Cocconeis vitrea Coscinodiscus argus Coscinodiscus asteromphalus Coscinodiscus hajosiae Coscinodiscus marginatus Coscinodiscus oculus-iridis Coscinodiscus radiatus Coscinodiscus sectoralis Coscinodiscus spp. Counting diatoms Craspedodiscus sp. Cymatosira lorenziana Diatom zone Dicladia sp. Diploneis sp. |
description |
Studies of diatoms from dredge samples collected on the island slope of the Kuril-Kamchatka Trench have allowed to recognize well-preserved marine diatom assemblages corresponding to assemblages of the followed Oligocene zones: Rhizosolenia oligocaenica (subzone ''a'', 33.6-31 Ma), Cavitatus rectus (29.6-28.2 Ma), and Rocella gelida (28.2-24.0 Ma) as identified in the North Pacific zonal scale. Description of these assemblages and their complete taxonomic composition are presented. Diversity of species together with abundance and degree of preservation of diatoms and accompanying siliceous microorganisms suggests their autochtonous origin and favorable conditions of their development. Assemblages of the Early Oligocene zones Rhizosolenia oligocaenica and Cavitatus rectus recognized in sediments of the outer zone of the Lesser Kuril Ridge (submarine slope of the Shikotan Island) and on the Vityaz' submarine ridge were most probably formed under conditions of a vast shelf, while assemblage of the Late Oligocene zone Rocella gelida encountered only in the region of the Lesser Kuril Ridge formed under more deep-water conditions, presumably, over an island slope. Deepening of the basin in the region of the outer zone of the Lesser Kuril Ridge in Late Oligocene probably reflects one of stages of evolution of the Kuril-Kamchatka Trench. |
format |
Dataset |
author |
Tsoy, Ira B |
author_facet |
Tsoy, Ira B |
author_sort |
Tsoy, Ira B |
title |
(Table 2) Taxonomic composition of diatoms in dredged samples from the island-side slope of the Kuril-Kamchatka Trench |
title_short |
(Table 2) Taxonomic composition of diatoms in dredged samples from the island-side slope of the Kuril-Kamchatka Trench |
title_full |
(Table 2) Taxonomic composition of diatoms in dredged samples from the island-side slope of the Kuril-Kamchatka Trench |
title_fullStr |
(Table 2) Taxonomic composition of diatoms in dredged samples from the island-side slope of the Kuril-Kamchatka Trench |
title_full_unstemmed |
(Table 2) Taxonomic composition of diatoms in dredged samples from the island-side slope of the Kuril-Kamchatka Trench |
title_sort |
(table 2) taxonomic composition of diatoms in dredged samples from the island-side slope of the kuril-kamchatka trench |
publisher |
PANGAEA |
publishDate |
2002 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.763621 https://doi.org/10.1594/PANGAEA.763621 |
op_coverage |
MEDIAN LATITUDE: 45.557250 * MEDIAN LONGITUDE: 150.573611 * SOUTH-BOUND LATITUDE: 43.475000 * WEST-BOUND LONGITUDE: 147.323333 * NORTH-BOUND LATITUDE: 49.530000 * EAST-BOUND LONGITUDE: 156.350000 * MINIMUM ELEVATION: -2030.0 m * MAXIMUM ELEVATION: -740.0 m |
long_lat |
ENVELOPE(147.323333,156.350000,49.530000,43.475000) |
geographic |
Pacific |
geographic_facet |
Pacific |
genre |
Kamchatka |
genre_facet |
Kamchatka |
op_source |
Supplement to: Tsoy, Ira B (2002): Oligocene diatom assemblages from the island slope deposits of the Kuril-Kamchatka Trench. Translated from Okeanologiya, 2002, 42(2), 267-280, Oceanology, 42(2), 252-265 |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.763621 https://doi.org/10.1594/PANGAEA.763621 |
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.763621 |
_version_ |
1766051086994505728 |