Formation of spinel-,hibonite-rich inclusions found in CM2 carbonaceous chondrites
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Simon, Steven B; Grossman, L; Hutcheon, Ian D; Phinney, Douglas L; Webber, Peter K; Fallon, Stewart
Description
We report petrography, mineral chemistry, bulk chemistry, and bulk isotopic compositions of a suite of 40 spinel-rich inclusions from the Murchison (CM2) carbonaceous chondritc. Seven types of inclusions have been identified based on mineral assemblage: spinel-hibonite-perovskite; spinel-perovskite-pyroxene; spinel-perovskite-melilite; spinel-hibonite-perovskite-melilite; spinel-hibonite; spinel-pyroxene; and spinel-melilite-anorthite. Hibonite-bearing inclusions have Ti-poor spinel compared to...[Show more]
Collections | ANU Research Publications |
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Date published: | 2006 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/32869 |
Source: | American Mineralogist |
DOI: | 10.2138/am.2006.2130 |
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01_Simon_Formation_of_2006.pdf | 1.07 MB | Adobe PDF | Request a copy |
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