Specimen Details
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Collection Names
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Number Of Specimens
1
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Rock Name
Hornfels
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Rock Class
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Rock Group
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Rock Description
Very fine-grained and dense; minutely mottled by a greyish-white, probably feldspathic mineral; traversed by numerous small strings of quartz of greasy lustre; one face in contact with argillaceous mica-schist. Ordovician.
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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