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mineralogy of approximately 1-10 micrometer iron spheres within 3.4 ga rocks (towers formation, warrawoona group, northwestern australia)Iron-bearing spherules in Archean Warrawoona rocks are composed of hematite and goethite. They are clearly syngenetic with the rock but their origin, whether biological or abiogenic, is not yet known.
Document ID
20000081170
Document Type
Conference Paper
Authors
Morris, P. A.
(Houston Univ. TX United States)
Wentworth, Susan J.
(Lockheed Martin Corp. Houston, TX United States)
Thomas-Keprta, Kathie L.
(Lockheed Martin Corp. Houston, TX United States)
Allen, Carlton C.
(Lockheed Martin Corp. Houston, TX United States)
Schwandt, Craig S.
(Lockheed Martin Corp. Houston, TX United States)
McKay, David S.
(NASA Johnson Space Center Houston, TX United States)
Westall, Frances
(NASA Johnson Space Center Houston, TX United States)
Bell, Mary Sue
(Lockheed Martin Corp. Houston, TX United States)
Gibson, Everett K.
(NASA Johnson Space Center Houston, TX United States)
Date Acquired
August 19, 2013
Publication Date
March 1, 2000
Publication Information
Publication: Lunar and Planetary Science XXXI
Subject Category
Lunar and Planetary Science and Exploration
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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