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
Granodiorite Porphyry
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Rock Class
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Rock Group
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Rock Description
Porphyritic Granodiorite; Common ternary, very fine-grained granite base, with crystals of quartz, orthoclase, and mica, the latter rather prominent;
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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