Science Keywords>SOLID EARTH>TECTONICS>LITHOSPHERIC PLATE MOTION
Internal Structure of Uppermost Oceanic Crust Exposed on Macquarie Island: Implications for Seafloor Spreading Processes
Entry ID: ASAC_1184

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Summary
Abstract: This project exploited the unique exposures of the uppermost oceanic crust found on Macquarie Island as a window into the internal structure of the oceanic crust. The form of rock units and the way in which they are arranged on the Island provided a means of understanding how they were assembled. This assembly occurred beneath a mid-ocean ridge spreading center, an area that can probably never be ... View entire text
Related URL
Link: GET DATA
Description: Download point for the data
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Geographic Coverage
(Click for Interactive Map)
Spatial coordinates   
  N: -54.0   S: -54.0   E: 159.0   W: 158.0

Temporal Coverage
Start Date: 1999-09-30
Stop Date: 2000-03-31
Location Keywords
Science Keywords
ISO Topic Category
Platform
FIELD SURVEYS Ancillary Description
Quality The dates provided in temporal coverage are approximate only. Years are correct. Precise locations of rock samples collected (see download file) were not recorded - only approximately marked on a map.
Access Constraints The data are available for download from the url given below.
Use Constraints This data set conforms to the PICCCBY Attribution License
(http://creativecommons.org/licenses/by/3.0/).
Ancillary Keywords
Data Set Progress
COMPLETE
Data Center
Australian Antarctic Data Centre, Australia Supplemental Info
Data Center URL: http://data.aad.gov.au

Data Center Personnel
Name: DATA OFFICER AADC
Phone: +61 3 6232 3244
Fax: +61 3 6232 3351
Email: metadata at aad.gov.au
Contact Address:
Australian Antarctic Division
203 Channel Highway
City: Kingston
Province or State: Tasmania
Postal Code: 7050
Country: Australia
Distribution
Distribution Media: HTTP
Distribution Size: 45680 kb
Distribution Format: PDF, TIFF, Word
Fees: free
Personnel
JEFFREY KARSON
Role: INVESTIGATOR
Role: TECHNICAL CONTACT
Role: DIF AUTHOR
Phone: +1 919-684-2731
Fax: +1 919-684-5833
Email: jkarson at eos.duke.edu
Contact Address:
Div.of Earth & Ocean Sciences
Duke University
Box 90230, Room 103 Old Chem. Bl
City: Durham
Province or State: NC
Postal Code: 27708-0230
Country: USA
Publications/References
Alt, J.C., G. Davidson, D.A.H. Teagle and J.A. Karson (2003), The isotopic composition of gypsum in the Macquarie Island Ophiolite: Implications for sulfur cycle and the subsurface biosphere in oceanic crust, Geology, 31, 549-552
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Creation and Review Dates
DIF Creation Date: 2000-08-10
Last DIF Revision Date: 2011-05-10

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