Bulletin of the United States Geological SurveyThe Survey., 1907 - Geology |
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Common terms and phrases
9 pls actual Alaska amount Arkansas Valley bend beneath Bison Blue limestone bodies Bon Air California Gulch Carbonate fault Carbonate Hill cerussite Cloud City Cloud City fault Cloud City shaft considerable Coronado deposits depth drill holes east eastward Economic geology Evans Glacier evidence extend fault plane fault zone fissures fold formations Fryer Hill glacial glaciers granite Gray porphyry sheet ground igneous intrusive sheet iron Lake beds later Leadville magma manganese mass material metals mineral resources mines moraines Mosquito Range ore-bearing original report ounces of silver outcrop oxidized Paleozoic Pendery fault Penrose shaft porphyry contact probable quadrangle quartzite reached region rock surface S. F. Emmons Sawatch Range second-contact sections sheet of Gray Sixth Street shaft slope solutions Stray Horse Gulch structure sulphide sunk synclinal tion Underground waters upper contact Waldemar Lindgren Wash Weldon fault western westward White limestone White porphyry writer
Popular passages
Page iii - Emmons. 1907. 98 pp., 5 pis. B 304. Oil and gas fields of Greene County, Pa., by RW. Stone and FG Clapp. 1907. 110 pp.. 3 pis.
Page iii - Rate of recession of Niagara Falls, accompanied by a report on the survey of the crest, by W. Carvel Hall.
Page iii - B 308. A geologic reconnaissance in southwestern Nevada and eastern California, by SH Ball. 1907. 218 pp., 3 pis. B 309. The Santa Clara Valley, Puente Hills, and Los Angeles oil districts, southern California, by GH Eldridge and Ralph Arnold. 1907. 266 pp., 41 pis.
Page 81 - B 293. A reconnaissance of some gold and tin deposits of the southern Appalachians, by LC Groton, with notes on the Dahlonega mines, by W.
Page ii - Brooks, with a section on climate, by Cleveland Abbe, jr., and a topographic map and description thereof, by RV Ooode. 1905. 327 pp., 34 pis. B 273. The drumlins of southeastern Wisconsin (preliminary paper), by WC Alden.
Page iii - B 303. Preliminary account of Goldfield, Bullfrog, and other mining districts in southern Nevada, by FL Rausome, with notes on the Manhattan district, by GH Garrey and WH Emmons.
Page 82 - The interaction between minerals and water solutions, with special reference to geologic phenomena, by EC Sullivan.
Page ii - PP 55. Ore deposits of the Silver Peak quadrangle, Nevada, by JE Spurr. 1906. 174 pp., 24 pis. B 289. A reconnaissance of the Matanuska coal field, Alaska, in 1905, by GC Martin.
Page 79 - The classes numbered 2, 7, and 8 are sold at cost of publication; the others are distributed free. A circular giving complete lists can be had on application. Most of the above publications can be obtained or consulted in the following ways: 1. A limited number are delivered to the Director of the Survey, from whom they can be obtained, free of charge (except classes 2, 7, and 8), on application. 2. A certain number are delivered to Senators and Representatives in Congress for distribution. 3. Other...
Page 6 - ... approached. The field observations on which this report is based and the maps and sections by which it is illustrated represent the labors of both authors combined, but the report itself is in the words of the senior author, who alone should be held responsible for its shortcomings. GENERAL, GEOLOGY. PRINCIPAL FEATURES. The city of Leadville is situated on a terrace at the foot of one of the western spurs of the Mosquito Range, near the head of the Arkansas Valley. The mines which have made the...