spilite

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spilite

(ˈspaɪlaɪt)
n
(Minerals) a type of igneous rock
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The Slapnice Member consists of conglomerates whose clasts include shales, sandstones, spilites, silicites and other rocks of Proterozoic and Cambrian age (Kukal, 1971).
* South of the Puerto Nuevo block the San Hipolito Formation is represented in the eastern vicinities of the San Jose de Castro--Bahia Asuncion Road, by serpentinites and spilites; in the Sierras El Chorrito and Los Ajos (some 5 km east of Puerto Nuevo), and in the valley of Arroyo San Cristobal (FIGURES 16 and 17) by abundant ophicalcites, spilites, volcano-sedimentary strata, thin bedded gray siliceous deposits, radiolarites, with interbedded limestone and pink dolomite; on either side of the Puerto Nuevo Canyon, at about 2 km from Puerto Nuevo, by ophicalcites, light gray limestone, and some sandstone.