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propylite
[ prop-uh-lahyt ]
noun
, Petrography.
- a hydrothermally altered andesite or allied rock containing secondary minerals, as calcite, chlorite, serpentine, or epidote.
propylite
/ ˈprɒpɪˌlaɪt /
noun
- geology an altered andesite or similar rock containing calcite, chlorite, etc, produced by the action of hot water
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Word History and Origins
Origin of propylite1
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Word History and Origins
Origin of propylite1
C20: from propylon (see propylaeum ) + -ite 1; so named because it is associated with the start of the Tertiary volcanic era
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Example Sentences
These consisted of rocks moderately rich in silica, and are grouped under the heads of propylite and andesite.
From Project Gutenberg
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