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Anglický jazyk
Manning, G: Geology of the Blue Lake Quadrangle, California
Excerpt from Geology of the Blue Lake Quadrangle, California
The Blue Lake quadrangle, Humboldt County, California, is largely in the northern Coast Ranges but its eastern portion lies in the edge of the Klamath Mountain Province.
Three formations...
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Excerpt from Geology of the Blue Lake Quadrangle, California
The Blue Lake quadrangle, Humboldt County, California, is largely in the northern Coast Ranges but its eastern portion lies in the edge of the Klamath Mountain Province.
Three formations were mapped. The oldest, the Kerr Ranch schist, is a series of quartz-muscovite schists, green schists and semi-schists, formed by low grade regional metamorphism of sandstones, shales, con glomerates, cherts, interbedded volcanics and basic and ultra-basic intrusives. These rocks have been but slightly metamorphosed. The forma tion is pre-franciscan in age and may be equivalent to the Abrams schist of the Klamath Mountains.
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- Vydavateľstvo: Forgotten Books
- Formát: Paperback
- Jazyk: Anglický jazyk
- ISBN: 9781334400049
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