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propylite

[ prop-uh-lahyt ]

noun

, Petrography.
  1. a hydrothermally altered andesite or allied rock containing secondary minerals, as calcite, chlorite, serpentine, or epidote.


propylite

/ ˈprɒpɪˌlaɪt /

noun

  1. geology an altered andesite or similar rock containing calcite, chlorite, etc, produced by the action of hot water
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of propylite1

First recorded in 1867; propyl + -ite 1
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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.

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propylicpropylon