Specimen Details
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Collection Names
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Number Of Specimens
1
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Specimen Nature
Form: Hand Specimen(s)
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Rock Name
Mica Lamprophyre
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Rock Class
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Rock Group
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Rock Description
Fine-granular, feldspathic, apparently chloritic and somewhat decomposed diorite base, rendered porphyritic by hexagonal plates of brownish-black mica and a few crystals of feldspar and hornblende; strongly impregnated with grains of copper- and iron-pyrites;
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Category
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Scientific Group
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Discipline
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Collecting Areas
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Type of Item