Geology of the Eagle-Circle District, Alaska, Temas816-819U.S. Government Printing Office, 1930 - 168 páginas |
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... limestone___ 6 7 9 10 11 12 13 13 13 13 21 21 24 29 62 63 64 Upper Cambrian limestone .. Ordovician system__ . Silurian system ... Devonian system ... Middle Devonian series___ 66 67 69 75 75 Carboniferous system .... Circle volcanics ...
... limestone___ 6 7 9 10 11 12 13 13 13 13 21 21 24 29 62 63 64 Upper Cambrian limestone .. Ordovician system__ . Silurian system ... Devonian system ... Middle Devonian series___ 66 67 69 75 75 Carboniferous system .... Circle volcanics ...
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... limestone of Silurian ( ? ) age from west slope of Loop Mountain , Yukon Territory-- 5. A , Fossiliferous Middle Devonian limestone in Woodchopper volcanics , as seen along the north bank of the Yukon River opposite Woodchopper ; B ...
... limestone of Silurian ( ? ) age from west slope of Loop Mountain , Yukon Territory-- 5. A , Fossiliferous Middle Devonian limestone in Woodchopper volcanics , as seen along the north bank of the Yukon River opposite Woodchopper ; B ...
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... limestone ( Permian ) in midst of Woodchopper volcanics ( Middle Devonian ) on the south bank of the Yukon River about 1 mile below the mouth of Coal Creek ; B , Lower Cretaceous rocks ( Kandik formation ) in bluff on the north side of ...
... limestone ( Permian ) in midst of Woodchopper volcanics ( Middle Devonian ) on the south bank of the Yukon River about 1 mile below the mouth of Coal Creek ; B , Lower Cretaceous rocks ( Kandik formation ) in bluff on the north side of ...
Página 15
... limestone are found to some extent throughout the Birch Creek mass , but for the most part such rocks are localized in their distribution in such a way as to suggest that they characterize the upper part of the sequence . No large ...
... limestone are found to some extent throughout the Birch Creek mass , but for the most part such rocks are localized in their distribution in such a way as to suggest that they characterize the upper part of the sequence . No large ...
Página 18
... limestone that is younger than the Birch Creek schist . A great thickness of rocks , however , lies between the known Ordovician beds and the Birch Creek schist , and Prindle suggested at that time the probability that the Birch Creek ...
... limestone that is younger than the Birch Creek schist . A great thickness of rocks , however , lies between the known Ordovician beds and the Birch Creek schist , and Prindle suggested at that time the probability that the Birch Creek ...
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Términos y frases comunes
Alaska altitude Appalachian Plateaus bank Basin beds Berea Birch Creek boundary line Calico Bluff Cambrian Carolina cession charter chert claimed coast commissioners Cong conglomerate Congress Connecticut Cretaceous Cuyahoga Cuyahoga River degree of north Delaware deposits Devonian east eastern escarpment Euclid feet fossils Georgia glacial granite included international boundary intersection Lake Erie latitude limestone longitude Louisiana main channel Massachusetts meridian Mexico Mississippi River Missouri monument moraine Mountains mouth north boundary north latitude northeast northern boundary northwest corner Ocean Ohio Ordovician Paleozoic parallel of latitude Pennsylvania Permian present Productus quadrangle region ridge rocks Rocky River sandstone schist sea level sess shale shore side Silurian southwest square miles Stat stone stream Survey Bull surveyed and marked Tennessee Territory Texas thence thickness treaty U. S. Geol United Upper valley Virginia Washington western boundary Woodchopper York Yukon River
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