geological material
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Geological Evidences of the Antiquity of Man — is a book written by British geologist, Charles Lyell in 1863 . The first three editions appeared in February, April, and November 1863, respectively. A much revised fourth edition appeared in 1873. Antiquity of Man, as it was known to… … Wikipedia
Geological history of Earth — impacting the Earth in a glancing blow. [cite journal | last = R. Canup and E. Asphaug | title = Origin of the Moon in a giant impact near the end of the Earth s formation | journal = Nature | volume = 412 | pages = 708–712 | date = 2001 | url =… … Wikipedia
Material properties of diamond — This article addresses the material properties of diamond. For a broader discussion of diamonds, see diamond. For other uses of the word diamond, see diamond (disambiguation). Diamond An octahedral diamond crystal in matrix Gener … Wikipedia
geological organ — A cylindrical or funnelshaped cavity in relatively soluble bedrock which typically has a vertical orientation and is partly or wholly filled with material similar to the overlying sediment cover. They are produced by solution of bedrock and… … Lexicon of Cave and Karst Terminology
geological matrix — noun All the fine grained background material in which crystals, pebbles or fossils are embedded in a sedimentary rock … Wiktionary
Parent material — Parent material, in soil science, means the underlying geological material (generally bedrock or a superficial or drift deposit) in which soil horizons form. Soils typically get a great deal of structure and minerals from their parent material.… … Wikipedia
Index to Marine & Lacustrine Geological Samples — The Index to Marine Lacustrine Geological Samples is a collaboration between twenty institutions and agencies that operate geological sample repositories. The purpose of the database is to help researchers locate sea floor and lakebed cores,… … Wikipedia
Onondaga (geological formation) — The Onondaga Formation is a group of hard limestones and dolostones of Devonian age that form an important geographic feature in the area of outcrop.In upstate New York and southern Ontario the sedimentary rocks tend to slope slightly to the… … Wikipedia
Lime (material) — For other uses, see Lime (disambiguation). Limestone quarry in Brønnøy, Norway. Lime is a general term for calcium containing inorganic materials, in which carbonates, oxides and hydroxides predominate. Strictly speaking, lime is calcium oxide or … Wikipedia
Head (geological) — The term head has been used by British geologists since the middle of the 19th century. It describes deposits at the very top of the geological succession, that could not be classified more accurately. Areas identified as head include deposits of … Wikipedia
Black Hills Institute of Geological Research, Inc. — The Black Hills Institute of Geological Research, Inc. (BHI) is a private corporation specializing in the excavation and preparation of fossils, as well as the sale of both original fossil material and museum quality replicas. Founded in 1974 and … Wikipedia
