bedrock geology
21Deposition (geology) — Map of Cape Cod showing shores undergoing erosion (cliffed sections) in red, and shores characterized by marine deposition (barriers) in blue[1] Deposition is the geological proc …
22Glossary of geology terms — Here is a glossary of Geological terms.A*Abyssal plain Flat or very gently sloping areas of the deep ocean basin floor. *Absolute dating the process of determining a specific date (in years or some other unit of time) for an archaeological,… …
23Marcellus Formation — Stratigraphic range: Middle Devonian …
24Hamilton Group — or Millboro Shale Stratigraphic range: Middle Devonian Type Geological unit Sub units Mahantango Formation Marcellus Formation Thickness up to 2,500 feet (800 m) …
25Iowa — This article is about the U.S. state of Iowa. For other uses, see Iowa (disambiguation). State of Iowa …
26Pemigewasset Wilderness — Infobox protected area | name = Pemigewasset Wilderness Area iucn category = Ib caption = Map of the United States base width = locator x = 260 locator y = 36 location = New Hampshire, United States nearest city = Lincoln, New Hampshire lat… …
27Marland P. Billings — Marland Pratt Billings (March 11, 1902 – October 9, 1996) was an American structural geologist who was considered one of the greatest authorities on North American geology.[citation needed] Billings was Professor of Geology at Harvard University… …
28Dark slope streak — Slope Streaks in Acheron Fossae in 2010 …
29Mahantango Formation — Stratigraphic range: Middle Devonian, 387 Ma …
30Mount Cardigan — from the south Elevation 3,155 ft (962 m) …
