The Geology of Allegany County ...Friedenwald Company, 1900 - 163 Seiten |
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Allegany county Alleghany Front Amer anticline Appalachian arenaceous axis Baltimore and Ohio bands beds Big Vein Carboniferous chert Clinton coal basin coarse Collier Run Concealed conglomerate Cumberland deposits Devonian east limb eastern side Evitts Creek Evitts Mountain exposed exposures Fifteenmile Creek Fire-clay flaggy Flintstone Flintstone Creek folds formation fossiliferous limestone fossils Frostburg further west Georges Creek gray Helderberg Inches Jennings Run Jour Keyser limestone Martin Mountain measurements mile south mile west Mineral Resources U. S. Monster Rock National Road Nicholas Mountain Ohio Railroad one-half mile Oriskany outcrops Pennsylvania Pocono Potomac river Pottsville Professor quartzite Report Rept Romney Salina sandstone sediments Shale Shale Coal Shale Shale with iron shaly shaly sandstone shown Sideling Hill Creek southward strata surface syncline tion Total thickness Town Creek Town Hill Tuscarora Tussey Mountain U. S. Geol upper various Warrior Mountain Washington West Virginia western Westernport Williams Road
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Seite 64 - A Report to the Navy Department of the United States on American Coals, Applicable to Steam Navigation, and to other purposes.
Seite 85 - Report of progress of stream measurements for the calendar year 1897, including papers by Dwight Porter, JB Lippincott and other hydrographers. 19th Ann. Rept, US Geol. Survey, 1897-98, pt. IV. Washington, 1899. STRATIGRAPHY AND AREAL DISTRIBUTION. With the exception of some scattering Pleistocene deposits, all of the geological formations exposed in Allegany county are of Paleozoic age. The Pleistocene deposits are too poorly...
Seite 75 - REPORT ON THE CLAY DEPOSITS of Woodbridge, South Amboy and other places in New Jersey, together with their uses for firebrick, pottery, &c.
Seite 72 - A REPORT TO THE NAVY DEPARTMENT OF THE UNITED STATES ON AMERICAN COALS : Applicable to Steam Navigation and to other purposes.
Seite 74 - First Report of Philip T. Tyson, State Agricultural Chemist, to the House of Delegates of Maryland, January, 1860.
Seite 97 - Tentaculite limestone is very marked because of the different weathering qualities of the two rocks. The Salina rock weathers into soil very completely, while the Tentaculite limestone leaves innumerable small, thin, dark-blue slabs upon the surface. The thickness of the formation is nearly 800 feet. The two partial sections given below are believed to represent the full thickness as well as a duplication of some of the middle beds, as indicated. The Potomac section extends from the bottom of the...
Seite 74 - TYSON, PHILIP T. Second Report of Philip T. Tyson, State Agricultural Chemist, to the House of Delegates of Maryland, Jan.
Seite 96 - O'Harra in the report previously cited: Lithologically, the Helderberg is preeminently a limestone formation. Argillaceous materials occur as impurities in some of the beds, but these are not important, and sandstones are almost wholly lacking. Thin bands of chert, which are white or yellowish-white in color, occur sparingly throughout the upper part of the formation. Most of the limestone in the upper part is heavily bedded, and much of it is highly fossiliferous. The lower part of the Helderberg...
Seite 71 - JH Report on the Manufacture of Iron addressed to the Governor of Maryland by JH Alexander. Printed by order of the Senate. Annapolis, 1840, 8vo, 369 pp., 3 plates.
Seite 97 - Bluish gray limestone, breaking into shaly fragments. Weathering indicates much argillaceous material 18 Massive Stromatopora beds 36 Shaly limestone, somewhat nodular 10...