Specimen Details
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Collection Names
G. Jervis Collection (1893), Industrial and Technological Museum Collection
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Number Of Specimens
1
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Specimen Nature
Form: Hand Specimen(s)
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Rock Name
Rhyolitic Tuff
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Rock Class
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Rock Group
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Rock Description
Volcanic tufa of a compact structure, derived from the pale yellow tufa marked no. 36. This specimen is taken from the immediate vicinity of the trachyte intrusion no. 33 and has a warm reddish yellow colour due to the metamorphosis produced by the great heat. It contains fragments of pumice stone and dark brown lapilli..
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Original Source
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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