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The Intensive Mechanics of a Clastic Dike
Ox a Distinction Between LateMagmatic and Post
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absorption abundant albite analcite analysis appears bands basin beds biotite Birmingham Bull Caya chemical classification clastic dikes clay composition contains Cordillera correlation crystals deposits described Devonian diopside dolerite eclogite English River eruptions evidence fault fauna feet feldspar figure Foraminifera formation fossils fracture geologists Geology grains granite halite hand specimens harbor indicate infrared Iowa iron jadeite jarosite Jour Kinderhook limestone Louisiana limestone lower magma mass material McCraney meters microns miles minerals muscovite nepheline Nittany arch occur original outcrops pegmatite Permian plagioclase plates present pressure pseudomorphs Purace pyrite pyroxene pyrrhotite quartz reaction region rocks sample sand sandstone sedimentary sediments shale shows silt siltstone soil species stage stratigraphic structure surface Survey temperature thick thin tion Triassic U. S. Geol uraninite valley volcano Vorticifex whorls writer zone