propylite
[ prop-uh-lahyt ]
/ ˈprɒp əˌlaɪt /
noun Petrography.
a hydrothermally altered andesite or allied rock containing secondary minerals, as calcite, chlorite, serpentine, or epidote.
Words nearby propylite
Example sentences from the Web for propylite
These consisted of rocks moderately rich in silica, and are grouped under the heads of propylite and andesite.
Volcanoes: Past and Present |Edward Hull
British Dictionary definitions for propylite
propylite
/ (ˈprɒpɪˌlaɪt) /
noun
geology
an altered andesite or similar rock containing calcite, chlorite, etc, produced by the action of hot water
Word Origin for propylite
C20: from
propylon (see
propylaeum) +
-ite
1; so named because it is associated with the start of the Tertiary volcanic era