MINERALOGY
TASK#:4
Describe each mineral separately. Note the significant optical properties of each diagnostic mineral, the size and shape of each mineral, and the alteration (if any) of each mineral. Determine and record the percent of each mineral within the rock. Add rows is necessary.
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Mineral Name Size and Shape |
% |
Diagnostic Optical Properties |
Description |
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plagioclase |
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1 yellow albite twinning |
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olivine |
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opaques |
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Drawing/Photo
TEXTURAL DESCRIPTION (of thin section)
HAND SPECIMEN DESCRIPTION (if included)
ROCK HISTORY
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