Upper Cenozoic Deposits of the Central Delmarva Peninsula, Maryland and Delaware, المجلد 1067U.S. Government Printing Office, 1979 - 28 من الصفحات Upper Tertiary deltaic and shallow-water marine deposits form the backbone of the peninsula. The oldest marine deposits of Pleistocene age reach a maximum altitude of 15 meters (50 feet) and have been dated radiometrically at about 100,000 years. |
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عبارات ومصطلحات مألوفة
abundant Accomack County Accomack Member age estimates altitude Arkose Atlantic Beaverdam Beaverdam Sand borehole borrow pit Bridgeton Bridgeton Formation Butlers Bluff central Delmarva Peninsula Chesapeake Bay clay minerals clay-silt clayey coarse Coastal Plain Cohansey coral crossbedded Delaware Bay Delmarva Peninsula deposits dunes facies feldspar FIGURE fossil Geol Geological Survey gibbsite gravel gravelly sand halloysite Holocene illite Ironshire Formation Jersey Joynes Neck kaolinite Kempsville Kent Island Kent Island Formation lithology locality lower lowland marine Maryland METERS mineralogy Miocene Nassawadox Oaks and Coch Occohannock Omar Formation overlies Owens and Denny Parsonsburg Sand peaty Pensauken Formation Pleistocene Pliocene Pocomoke Pocomoke River quadrangle quartz Quaternary Salisbury samples sandy Sangamon scarp Sciver Lake beds sea level sediments shelly sand silty Sinepuxent Spring Lake beds stratigraphic surface Tertiary thick tion Trenton Tunnels Mill unit upland upper uranium-series valley Van Sciver Lake vermiculite Virginia Wachapreague weathering Yorktown Formation
مقاطع مشهورة
الصفحة A-27 - Berggren, WA, 1972, A Cenozoic time-scale — some implications for regional geology and paleobiogeography: Lethaia, v. 5, no.
الصفحة G-50 - EM, 1978, The geological and paleogeomorphological evolution of a spit system and its associated coastal environments; Cape Henlopen spit, Delaware: Journal of Sedimentary Petrology, v.
الصفحة B-16 - Rasmussen, WC , and Andreasen, GE , 1959, Hydrologic budget of the Beaverdam Creek basin, Maryland: US Geol. Survey Water-Supply Paper 1472, 106 p.
الصفحة B-1 - A1-A28. $1.75. (Surface and shallow subsurface geologic studies in the emerged Coastal Plain of the Middle Atlantic States...
الصفحة F-43 - Origin of two clay-mineral facies of the Potomac Group (Cretaceous) in the Middle Atlantic States: Journal of Research of the US Geological Survey, v.
الصفحة B-16 - Ill, 1966, Pleistocene stratigraphy of the Salisbury area, Maryland and its relationship to the lower Eastern Shore: a subsurface approach: Maryland Geol.
الصفحة G-50 - Delaware, in Oaks, RQ, Jr. and DuBar, JR, eds., Post-Miocene Stratigraphy Central and Southern Atlantic Coastal Plain: Logan, Utah State University Press, p.
الصفحة D-47 - Press, p. 235-278. Owens, JP, Stefansson, K., and Sirkin, LA, 1974, Chemical, mineralogic, and palynologic character of the upper Wisconsinan-lower Holocene fill in parts of Hudson, Delaware, and Chesapeake estuaries: Journal of Sedimentary Petrology, v.
الصفحة 5 - Uranium-setting dating of mollusks and corals, and age of Pleistocene deposits, Chesapeake Bay area, Virginia and Maryland: US Geological Survey Professional Paper 1067-E 18 p.
الصفحة A-28 - Shore in The water resources of Caroline, Dorchester, and Talbot Counties: Maryland Dept.