76537 (9) Ilmenite Basalt
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Fact sheet
Description: 

76537 is a fine-grained variolitic basalt with olivine phenocrysts (rotation 1) and long needles of ilmenite that was collected as part of a rake sample. Brown pyroxene is intergrown with plagioclase in radial clusters. Pyroxene crystals often have trains of opaque inclusions along their length (rotation 2).

The sample weighed 26.5 grams before analysis and has not been dated.

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

In Place
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Timescale:
Not known
Ma = Millions of years ago
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igneous
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