geological conditions

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• 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

• Geological prospecting — and exploration for oil and gas is a set of industrial and R D activities for geological study of subsurface resources, identification of promising areas, discovery of fields, their evaluation and pre development. The final objective of… …   Glossary of Oil and Gas

• Pittsburgh Geological Society — The Pittsburgh Geological Society, more familiarly known as PGS, was founded in 1945. Its purpose was to serve the professional interest of the society s membership. In the forties, the membership was mainly interested in petroleum technology,… …   Wikipedia

• Devil's Millhopper Geological State Park — IUCN Category V (Protected Landscape/Seascape) …   Wikipedia

• Landslide classification — There have been known various classifications of landslides and other types of mass wasting.For example, the McGraw Hill Encyclopedia of Science and Technology distinguishes the following types of landslies: *fall (by undercutting) *fall (by… …   Wikipedia

• Evolution —     Evolution (History and Scientific Foundation)     † Catholic Encyclopedia ► Evolution (History and Scientific Foundation)     The world of organisms comprises a great system of individual forms generally classified according to structural… …   Catholic encyclopedia

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• Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …   Wikipedia

• Cryoseism — A cryoseism, also known as a frost quake[1][2], may be caused by a sudden cracking action in frozen soil or rock saturated with water or ice.[3] As water seeps down into the rock, it freezes and expands, putting stress on surrounding rock. This… …   Wikipedia

• Shale oil extraction — Shell s experimental in situ shale oil facility, Piceance Basin, Colorado, United States Process type Chemical Industrial sector(s) Chemical industry, oil indus …   Wikipedia

• metamorphic rock — Any of a class of rocks that result from the alteration of preexisting rocks in response to changing geological conditions, including variations in temperature, pressure, and mechanical stress. The preexisting rocks may be igneous, sedimentary,… …   Universalium