By James P. Owens, John D. Glaser(auth.)

About The Product

Published via the yankee Geophysical Union as a part of the Field journey Guidebooks Series.

Elk Neck is a small peninsula which lies on the northern finish of the Chesapeke Bay. This peninsula is an erosional remnant of a once again common Coastal simple. The peninsula is comparatively small, nearly thirteen miles lengthy and 5.5 miles broad at its widest aspect. Elevations in the peninsula diversity from sea point to only over three hundred toes above sea point. The west part of the peninsula is characterised in the community by means of steep bluffs and various landslides. as a result of persevered sluffing within the land slide components, the exposures consistently are alternately coated or exposed, and the sections proven during this document will not be an analogous whilst the sphere journey is administered. The east part of the peninsula is much less precipitous than the west part. the following the land floor descends extra progressively to the Elk River. the sector journey will focus for the main half at the exposures alongside the west facet of the peninsula within the neighborhood of Mauldin Mountain close to Elk Neck kingdom Park. Of specific curiosity right here could be the exposures of the Potomac Formation of overdue Early to early past due Cretaceous age. up to one hundred thirty five ft of the Potomac Formation are intermittently uncovered at this locality that's an surprisingly thick publicity of the Potomac Formation. The Potomac Formation is overlain through a skinny sequence of deeply weathered marine and marginal marine devices. If entry is offered to the pinnacle of the bluff, those formations may also be tested in brief for you to illustrate the variations in bedding sort among the non-marine beds of the Potomac Formation and the marine-influenced more youthful Cretacious formations. the sphere journey also will stopover at the southermost a part of the peninsula at Turkey element. right here a channel of the center Miocene Pensauken Formatin has eroded deeply into the underlying Potomac Formation. The Pensauken just like the Potomac Formation is a fluvial unit. The Pensauken deposits on Elk Neck Peninsula mark the western boundary of a hugely eroded gravel sheet which caps the northern a part of the Delmarva Peninsula to the east. The important bedding kinds and perticularly the compositional alterations among the Potomac and Pensauken formations can be mentioned.

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Additional info for Cretaceous and Tertiary Stratigraphy of the Elk Neck Area, Northeastern Maryland: Elk Neck State Park, Maryland, July 12, 1989

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1969, Petrology and origin of Potomac and Magothy (Cretaceous) sediments, Middle Atlantic Coastal Plain: Maryland Geol. Survey Rept. , no. 11, 101 p. Hansen, H. , 1969, Depositional environments of subsurfac~ Potomac Group in southern Maryland: American Association of Petroleum Geologists Bulletin, v. 53, p. 1923-1937. 1982, Waste Gate Formation: Part I ~rologic framework and potential utilization of the brine aquifers of the Waste Gate Formation, a new unit of the Potomac Group underlying the Delmarva Pensinsula: Maryland Geological Survey, Open File Report, p.

1, p. 43-78. Force, L. , and Moncure, G. , 1978, Origin of two clay mineral facies of the Potomac Group (Cretaceous) in the Middle Atlantic States: Jour. of Research, v. 6, no. 2, p. 203-214. Glaser, J. , 1969, Petrology and origin of Potomac and Magothy (Cretaceous) sediments, Middle Atlantic Coastal Plain: Maryland Geol. Survey Rept. , no. 11, 101 p. Hansen, H. , 1969, Depositional environments of subsurfac~ Potomac Group in southern Maryland: American Association of Petroleum Geologists Bulletin, v.

1978, Origin of two clay mineral facies of the Potomac Group (Cretaceous) in the Middle Atlantic States: Jour. of Research, v. 6, no. 2, p. 203-214. Glaser, J. , 1969, Petrology and origin of Potomac and Magothy (Cretaceous) sediments, Middle Atlantic Coastal Plain: Maryland Geol. Survey Rept. , no. 11, 101 p. Hansen, H. , 1969, Depositional environments of subsurfac~ Potomac Group in southern Maryland: American Association of Petroleum Geologists Bulletin, v. 53, p. 1923-1937. 1982, Waste Gate Formation: Part I ~rologic framework and potential utilization of the brine aquifers of the Waste Gate Formation, a new unit of the Potomac Group underlying the Delmarva Pensinsula: Maryland Geological Survey, Open File Report, p.

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