Takeshi Matsumoto Corresponding Author Address:
In 1994, a joint Japanese-American dive program utilizing the worlds deepest diving active research submersible (SHINKAI 6500) was carried out at the western ridge-transform intersection (RTI) of the Mid-Atlantic Ridge and Kane transform in the central North Atlantic Ocean. A total of 15 dives were...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.507.2802 2023-05-15T17:34:06+02:00 Takeshi Matsumoto Corresponding Author Address: Maurice Tivey Akira Takeuchi Wmark Scientific Party Wilfred Bryan Hiromi Fujimoto Toshiya Fujiwara Toshio Furuta Hideo Ishizuka Peter Kelemen Hajimu Kinoshita Maurice A. Tivey The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.507.2802 http://www.ldeo.columbia.edu/files/uploaded/file/1998 Tivey et al_ MGR.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.507.2802 http://www.ldeo.columbia.edu/files/uploaded/file/1998 Tivey et al_ MGR.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.ldeo.columbia.edu/files/uploaded/file/1998 Tivey et al_ MGR.pdf text ftciteseerx 2016-01-08T09:26:05Z In 1994, a joint Japanese-American dive program utilizing the worlds deepest diving active research submersible (SHINKAI 6500) was carried out at the western ridge-transform intersection (RTI) of the Mid-Atlantic Ridge and Kane transform in the central North Atlantic Ocean. A total of 15 dives were completed along with surface-ship geophysical mapping of bathymetry, magnetic and gravity fields. Dives at the RTI traced the neovolcanic zone up to, and for a short distance (2.5 km) along, the Kane transform. At the RTI, the active trace of the transform is marked by a narrow valley (< 50 m wide) that separates the recent lavas of the neovolcanic zone from the south wall of the transform. The south wall of the transform at the western RTI consists of a diabase section near its base between 5000 and 4600 m depth overlain by basaltic lavas, with no evidence of gabbro or deeper crustal rocks. The south wall is undergoing normal faulting with considerable strike-slip component. The lavas of the neovolcanic zone at the RTI are highly magnetized (17 A/m) compared to the lavas of the south wall (4 A/m), consistent with their age difference. The trace of the active transform changes eastwards into a prominent median ridge, which is composed of heavily sedimented and highly serpentinized peridotites. Submersible observations made from SHINKAI find that the western RTI of the Text North Atlantic Unknown Kane ENVELOPE(-63.038,-63.038,-73.952,-73.952) Median Ridge ENVELOPE(-62.833,-62.833,-64.983,-64.983) Mid-Atlantic Ridge |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
ftciteseerx |
language |
English |
description |
In 1994, a joint Japanese-American dive program utilizing the worlds deepest diving active research submersible (SHINKAI 6500) was carried out at the western ridge-transform intersection (RTI) of the Mid-Atlantic Ridge and Kane transform in the central North Atlantic Ocean. A total of 15 dives were completed along with surface-ship geophysical mapping of bathymetry, magnetic and gravity fields. Dives at the RTI traced the neovolcanic zone up to, and for a short distance (2.5 km) along, the Kane transform. At the RTI, the active trace of the transform is marked by a narrow valley (< 50 m wide) that separates the recent lavas of the neovolcanic zone from the south wall of the transform. The south wall of the transform at the western RTI consists of a diabase section near its base between 5000 and 4600 m depth overlain by basaltic lavas, with no evidence of gabbro or deeper crustal rocks. The south wall is undergoing normal faulting with considerable strike-slip component. The lavas of the neovolcanic zone at the RTI are highly magnetized (17 A/m) compared to the lavas of the south wall (4 A/m), consistent with their age difference. The trace of the active transform changes eastwards into a prominent median ridge, which is composed of heavily sedimented and highly serpentinized peridotites. Submersible observations made from SHINKAI find that the western RTI of the |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Maurice Tivey Akira Takeuchi Wmark Scientific Party Wilfred Bryan Hiromi Fujimoto Toshiya Fujiwara Toshio Furuta Hideo Ishizuka Peter Kelemen Hajimu Kinoshita Maurice A. Tivey |
spellingShingle |
Maurice Tivey Akira Takeuchi Wmark Scientific Party Wilfred Bryan Hiromi Fujimoto Toshiya Fujiwara Toshio Furuta Hideo Ishizuka Peter Kelemen Hajimu Kinoshita Maurice A. Tivey Takeshi Matsumoto Corresponding Author Address: |
author_facet |
Maurice Tivey Akira Takeuchi Wmark Scientific Party Wilfred Bryan Hiromi Fujimoto Toshiya Fujiwara Toshio Furuta Hideo Ishizuka Peter Kelemen Hajimu Kinoshita Maurice A. Tivey |
author_sort |
Maurice Tivey |
title |
Takeshi Matsumoto Corresponding Author Address: |
title_short |
Takeshi Matsumoto Corresponding Author Address: |
title_full |
Takeshi Matsumoto Corresponding Author Address: |
title_fullStr |
Takeshi Matsumoto Corresponding Author Address: |
title_full_unstemmed |
Takeshi Matsumoto Corresponding Author Address: |
title_sort |
takeshi matsumoto corresponding author address: |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.507.2802 http://www.ldeo.columbia.edu/files/uploaded/file/1998 Tivey et al_ MGR.pdf |
long_lat |
ENVELOPE(-63.038,-63.038,-73.952,-73.952) ENVELOPE(-62.833,-62.833,-64.983,-64.983) |
geographic |
Kane Median Ridge Mid-Atlantic Ridge |
geographic_facet |
Kane Median Ridge Mid-Atlantic Ridge |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
http://www.ldeo.columbia.edu/files/uploaded/file/1998 Tivey et al_ MGR.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.507.2802 http://www.ldeo.columbia.edu/files/uploaded/file/1998 Tivey et al_ MGR.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
_version_ |
1766132814109999104 |