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Record #167359:

Structure and tectonic evolution of the South Sandwich arc / Robert D. Larter, Lieve E. Vanneste, Peter Morris, David K. Smythe.

Title: Structure and tectonic evolution of the South Sandwich arc / Robert D. Larter, Lieve E. Vanneste, Peter Morris, David K. Smythe.
Author(s): Larter, Robert D.
Vanneste, Lieve E.
Morris, Peter.
Smythe, David K.
Date: 2003.
Publisher: London: Geological Society
Abstract: Presents detailed analysis of new and archive magnetic profiles across western margin of east Scotia Sea, confirming that organized back-arc spreading has been active since at least 15 Ma ago. Evaluates possibility that spreading was preceded by phase of arc rifting, and that rifting was triggered by change in South American-Antarctic plate motion about 20 Ma ago. Uses interpretations of two multichannel seismic reflection profiles that cross trench, arc and East Scotia Ridge to constrain two-dimensional gravity models. Discusses implications of multichannel seismic interpretations and gravity modelling results in context of confirmed history of >15 Ma of continuous, organized back-arc spreading.
Notes:

Offprint: Intra-oceanic subduction systems: tectonic and magmatic processes / R.D. Larter, P.T. Leat, eds.

Keywords: 551.1/.4 -- Geology.
551.1/.4(26) -- Marine geology.
551.24 -- Geotectonics.
551.241 -- Plate tectonics.
551.242.22 -- Island arcs.
91(08) -- Expeditions: 1962- British Antarctic Survey.
91(08) -- Expeditions: 1995-97 BAS.
.000(410) -- British author.
A -- Geophysical sciences (general).
(*7) -- Antarctic regions.
(*724) -- South Sandwich Islands.
(*80) -- Southern Ocean.
(*82) -- South Atlantic Ocean.
(*824) -- Scotia Sea.
Location(s): SCO: SPRI-PAM: (*7) : 551.242.22
SPRI record no.: 167359

MARCXML

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001 SPRI-167359
005 20220929045043.0
007 ta
008 220929s2003####enkab##|#####|0||#0#eng#d
035 ## ‡aSPRI-167359
040 ## ‡aUkCU-P‡beng‡eaacr
245 00 ‡aStructure and tectonic evolution of the South Sandwich arc /‡cRobert D. Larter, Lieve E. Vanneste, Peter Morris, David K. Smythe.
260 ## ‡aLondon :‡bGeological Society,‡c2003.
300 ## ‡ap. 255-284 :‡bdiags., maps.
490 0# ‡aGeological Society Special Publication ;‡v219
500 ## ‡aOffprint: Intra-oceanic subduction systems: tectonic and magmatic processes / R.D. Larter, P.T. Leat, eds.
520 3# ‡aPresents detailed analysis of new and archive magnetic profiles across western margin of east Scotia Sea, confirming that organized back-arc spreading has been active since at least 15 Ma ago. Evaluates possibility that spreading was preceded by phase of arc rifting, and that rifting was triggered by change in South American-Antarctic plate motion about 20 Ma ago. Uses interpretations of two multichannel seismic reflection profiles that cross trench, arc and East Scotia Ridge to constrain two-dimensional gravity models. Discusses implications of multichannel seismic interpretations and gravity modelling results in context of confirmed history of >15 Ma of continuous, organized back-arc spreading.
650 07 ‡a551.1/.4 -- Geology.‡2udc
650 07 ‡a551.1/.4(26) -- Marine geology.‡2udc
650 07 ‡a551.24 -- Geotectonics.‡2udc
650 07 ‡a551.241 -- Plate tectonics.‡2udc
650 07 ‡a551.242.22 -- Island arcs.‡2udc
650 07 ‡a91(08) -- Expeditions: 1962- British Antarctic Survey.‡2udc
650 07 ‡a91(08) -- Expeditions: 1995-97 BAS.‡2udc
650 07 ‡a.000(410) -- British author.‡2udc
650 07 ‡aA -- Geophysical sciences (general).‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*724) -- South Sandwich Islands.‡2udc
651 #7 ‡a(*80) -- Southern Ocean.‡2udc
651 #7 ‡a(*82) -- South Atlantic Ocean.‡2udc
651 #7 ‡a(*824) -- Scotia Sea.‡2udc
700 1# ‡aLarter, Robert D.
700 1# ‡aVanneste, Lieve E.
700 1# ‡aMorris, Peter.
700 1# ‡aSmythe, David K.
852 7# ‡2camdept‡bSCO‡cSPRI-PAM‡h(*7) : 551.242.22‡9Create 1 item record‡0Migrate
916 ## ‡a130049 -- 2004/02/17 -- HS
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20220929 ‡bHS