10032 - Ilmenite basalt
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Fact sheet
Description: 

Sample 10032 is a low-K basalt belonging to the high K suite, that crystallised 3.6 billion years ago (measured by Ar/Ar). It was collected as part of the contingency sample from the area immediately in front of the Lunar Module.

Plagioclase feldspar, pyroxene and ilmenite are the three main constituents. The pyroxene crystals are chemically zoned (augite to pigeonite cores). Additionally, olivine, cristobalite, phosphate and glass are present, but in low abundance. In reflected light, the iron sulphide troilite can be seen as small pale yellow crystals, some hosting minute inclusions of metallic iron.

Further details of this and other Apollo samples are here: http://curator.jsc.nasa.gov/lunar/

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Not known
Ma = Millions of years ago
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igneous
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