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The Delaware Geological Survey

Geologic and hydrologic research and exploration for Delaware

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DGS Publications

Title Authors Publication Date
GM23 Geologic Map of the Seaford West and Seaford East Quadrangles, Delaware Tomlinson, J.L., Ramsey, K.W., Andres, A.S. Aug 2015
GM14 Geologic Map of Kent County, Delaware Ramsey, K.W. Oct 2007
GM13 Geologic Map of New Castle County, Delaware Ramsey, K.W. Sep 2005
GM12 Geology of the Lewes and Cape Henlopen Quadrangles, Delaware Ramsey, K.W. Sep 2003
HM11 Ground-Water Recharge Potential Kent County, Delaware Andres, A.S. Jun 2003
HM10 Geohydrology of the Smyrna-Clayton Area, Delaware Andres, A.S. Nov 2001
GM11 Geology of the Ellendale and Milton Quadrangles, Delaware Ramsey, K.W. Jan 2001
GM 9 Geology of the Seaford Area, Delaware Andres, A.S., Ramsey, K.W. Jul 1995
HM9 Geohydrology of the Seaford Area, Delaware Andres, A.S. Oct 1994

The Geology of Delaware

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DGS Annual Report

DGS Annual ReportDGS Annual Report of Programs and Activities.

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Title and abstract

Authors

  • Andres, A.S.
  • Ramsey, K.W.
  • Tomlinson, J.L.

Publication Type

  • (-) Geologic Map
  • (-) Hydrologic Map

Geologic Units

  • alluvial deposits
  • alluvium and swamp deposits
  • Ardentown Granitic Suite
  • Baltimore Gneiss
  • Barley Mill Gneiss
  • beach deposits
  • Beaverdam Formation
  • Bethany Formation
  • Brandywine Blue Gneiss
  • Bridgeton Formation
  • Bringhurst Gabbro
  • Bryn Mawr Formation
  • Calvert Formation
  • Carolina Bay deposits
  • Cheswold aquifer
  • Choptank Formation
  • Christianstead Gneiss
  • Cockeysville Marble
  • Columbia aquifer
  • Columbia Formation
  • Delaware Bay Group
  • dredge disposal deposits
  • dune deposits
  • Englishtown Formation
  • Eolian deposits
  • Faulkland Gneiss
  • fill
  • Hornerstown Formation
  • Iron Hill Gabbro
  • Kent Island Formation
  • Lynch Heights Formation
  • Magothy Formation
  • Manasquan Formation
  • Manokin aquifer
  • Manokin formation
  • marine deposits
  • Marshalltown Formation
  • (-) marsh deposits
  • Merchantville Formation
  • Metapyroxenite and metagabbro (undifferentiated)
  • Mill Creek Metagabbro
  • modified land
  • Mount Laurel aquifer
  • Mount Laurel Formation
  • Nanticoke deposits
  • Navesink Formation
  • Old College Formation
  • Pegmatite
  • Perkins Run Gabbronorite Suite
  • Piney Point aquifer
  • Piney Point Formation
  • Potomac Formation
  • Rancocas aquifer
  • Rockford Park Gneiss
  • Scotts Corners Formation
  • Serpentinite
  • Setters Formation
  • Shark River Formation
  • shoreline deposits
  • spit deposits
  • St. Marys Formation
  • (-) swamp deposits
  • Turtle Branch Formation
  • undrained depression deposits
  • upland bog
  • upland deposits
  • Vincentown Formation
  • Wilmington Complex
  • Wissahickon Formation

Geology Keywords

  • (-) aquifer
  • (-) carolina bays
  • clay
  • coastal geology
  • geology
  • (-) groundwater
  • groundwater recharge
  • hydrogeology
  • (-) rocks
  • sand
  • (-) subsurface
  • surficial geology
  • weather
  • wetlands

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Phone: 302-831-2833 | Fax: 302-831-3579 | Email: delgeosurvey@udel.edu

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