71155 (33) Ilmenite Basalt
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Fact sheet
Description: 

71155 was chipped from a 0.5 m boulder from which 71135 was also collected. 71155 contains olivine and silica and has a granular texture with medium grain size. Skeletal plagioclase feldspar (rotation 2) and plumose pyroxene (rotation 1) are noteable features. 71155 is more vesicular and contains less ilmenite compared to 71135. 

The sample weighed 26.15 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
In Time
Accuracy:
Timescale:
Not known
Ma = Millions of years ago
In Focus
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Type: 
igneous
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