Geology√

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Geology√

1974 Archival description results for Geology√

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Geologic cross section of the Front Range of the Rocky Mtns.

Geologic cross section of the Front Range of the Rocky Mountains about 30 miles north of Denver Colorado. The folding of the Paleozoic and Mesozoic strata was accomplished by the Laramide orogeny. Symbols refer to formational names: Cf, Fountain formation; Clo, Lyons sandstone; Clk, Lyins formation; Jm, Morrison formation; Kd, Ddakota formation; KC, Benton shale; Kn, Niobrara formation; Kp, Pierre shale. Zumberge, 1958, p. 135.

Geologic map section of Crazy Moutains

Geologic map section of Crazy Moutains, southwestern Montana showing Livingstone formation of latest Cretaceous and Palaeocene age, and the stocks and dikes which intrude ot. Dotted lines above the setion indicate the volcanic field that probably lay on the site of the Crazy Mountains in Tertiary time. King 1959, p. 103.

Geological map of the Myvatn area, Iceland

Geological map of the Myvatn area, Iceland. The bedrock outside the postglacial lava flows is Pleistocene and covered by till and glaciofluvial sediments. Small open rings: Lava of the Ludent cycle (greater than 6000 years B.P.). Big open rings: Older Laxa lava. Striated: Lava flows of the Hverfjall cycle (2500-1000 years B.P.). Black: Lava flows 1725-1729. Arabic numerals: Thickness of the Hverfjall tephra in cm.

Results 871 to 885 of 1974

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