Definition for User contributions

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• 18:37, 3 October 2013 (diff | hist) . . (+64)‎ . . N Bauxite ‎ (Created page with "Bauxite is an aluminium ore and is the main source of aluminium.") (current)
• 18:31, 3 October 2013 (diff | hist) . . (+451)‎ . . N Chert ‎ (Created page with "Chert is a fine-grained silica-rich microcrystalline, cryptocrystalline or microfibrous sedimentary rock that may contain small fossils. It varies greatly in color (from white to...") (current)
• 17:48, 3 October 2013 (diff | hist) . . (+680)‎ . . N Cryosphere ‎ (Created page with "The cryosphere collectively describes the portions of the Earth’s surface where water is in solid form, including sea ice, lake ice, river ice, snow cover, glaciers, ice caps a...") (current)
• 17:47, 3 October 2013 (diff | hist) . . (+89)‎ . . N Geosphere ‎ (Created page with "The geosphere is the densest parts of the world and consists mostly of rock and regolith.") (current)
• 17:45, 3 October 2013 (diff | hist) . . (+100)‎ . . Climate ‎
• 17:44, 3 October 2013 (diff | hist) . . (+84)‎ . . N Weather ‎ (Created page with "Weather refers to the state of the atmosphere in the short term at a given location.")
• 17:43, 3 October 2013 (diff | hist) . . (+618)‎ . . N Greenhouse gas ‎ (Created page with "A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause o...") (current)
• 17:43, 3 October 2013 (diff | hist) . . (+89)‎ . . N Aerosol ‎ (Created page with "An aerosol is a colloid of fine solid particles or liquid droplets in air or another gas.") (current)
• 17:31, 3 October 2013 (diff | hist) . . (+30)‎ . . N Coriolis Effect ‎ (Redirected page to Coriolis effect) (current)
• 17:15, 3 October 2013 (diff | hist) . . (+481)‎ . . N Hexamethonium ‎ (Created page with "Hexamethonium is a non-depolarising ganglionic blocker, a nicotinic nACh (NN) receptor antagonist that acts in autonomic ganglia by binding mostly in or on the NN receptor, and n...") (current)
• 20:50, 1 October 2013 (diff | hist) . . (+728)‎ . . N Mercury ‎ (Created page with "1) Mercury is a chemical element with the symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum. A heavy, silvery d-block el...")
• 20:49, 1 October 2013 (diff | hist) . . (+340)‎ . . N Theia ‎ (Created page with "The giant impact hypothesis states that the Moon was formed out of the debris left over from a collision between the Earth and a body the size of Mars, approximately 4.5 Gya (fou...") (current)
• 20:48, 1 October 2013 (diff | hist) . . (+279)‎ . . N Protosun ‎ (Created page with "A protosun is a sun (star) that is still forming. It takes millions of years of solar winds and gravitational forces to gather and compress massive clouds of hydrogen to the poin...") (current)
• 20:47, 1 October 2013 (diff | hist) . . (+417)‎ . . N Protoplanet ‎ (Created page with "Protoplanets are large planetary embryos that originate within protoplanetary discs and have undergone internal melting to produce differentiated interiors. They are believed to ...") (current)
• 20:10, 30 September 2013 (diff | hist) . . (+475)‎ . . N Quartzite ‎ (Created page with "Quartzite is a hard, non-foliated metamorphic rock which was originally pure quartz sandstone. Sandstone is converted into quartzite through heating and pressure usually related ...") (current)
• 19:07, 30 September 2013 (diff | hist) . . (+648)‎ . . N Xenolith ‎ (Created page with "A xenolith is a rock fragment which becomes enveloped in a larger rock during the latter's development and hardening. In geology, the term xenolith is almost exclusively used to ...") (current)
• 19:06, 30 September 2013 (diff | hist) . . (+98)‎ . . N Pyrometamorphism ‎ (Created page with "Change produced in rocks by the action of heat but without the action of pressure or mineralizers.") (current)
• 19:05, 30 September 2013 (diff | hist) . . (+207)‎ . . N Chlorite ‎ (Created page with "The chlorite ion, or chlorine dioxide anion, is ClO2−. A chlorite (compound) is a compound that contains this group, with chlorine in oxidation state +3. Chlorites are also kno...") (current)
• 19:05, 30 September 2013 (diff | hist) . . (+289)‎ . . N Batholith ‎ (Created page with "A batholith is a large emplacement of igneous intrusive (also called plutonic) rock that forms from cooled magma deep in the Earth's crust. Batholiths are almost always made most...") (current)
• 19:04, 30 September 2013 (diff | hist) . . (+437)‎ . . N Gneissic banding ‎ (Created page with "Gneissic banding is light and dark mineral layers in gneiss. Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from ...") (current)
• 18:57, 30 September 2013 (diff | hist) . . (+112)‎ . . N Permian ‎ (Created page with "The Permian is a geologic period and system which extends from 298.9 ± 0.2 to 252.2 ± 0.5 (Million years ago).") (current)
• 18:57, 30 September 2013 (diff | hist) . . (+140)‎ . . N Pennsylvanian ‎ (Created page with "The Pennsylvanian is, in the ICS geologic timescale, the younger of two subperiods (or upper of two subsystems) of the Carboniferous Period.") (current)
• 18:57, 30 September 2013 (diff | hist) . . (+522)‎ . . N Mississippian ‎ (Created page with "The Mississippian is a subperiod in the geologic timescale or a subsystem of the geologic record. It is the earliest/lowermost of two subperiods of the Carboniferous period lasti...") (current)
• 18:57, 30 September 2013 (diff | hist) . . (+221)‎ . . N Devonian ‎ (Created page with "The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period, about 419.2 ± 3.2 Mya (million years ago), to the beginning of th...") (current)
• 18:56, 30 September 2013 (diff | hist) . . (+205)‎ . . N Silurian ‎ (Created page with "The Silurian is a geologic period and system that extends from the end of the Ordovician Period, about 443.4 ± 1.5 million years ago (mya), to the beginning of the Devonian Peri...") (current)
• 18:56, 30 September 2013 (diff | hist) . . (+433)‎ . . N Paleozoic Era ‎ (Created page with "The Paleozoic Era is the earliest of three geologic eras of the Phanerozoic Eon, spanning from roughly 541 to 252.2 million years ago. It is the longest of the Phanerozoic eras, ...")
• 18:55, 30 September 2013 (diff | hist) . . (+167)‎ . . N Ordovician ‎ (Created page with "The Ordovician is a geologic period and system, the second of six of the Paleozoic Era, and covers the time between 485.4 ± 1.9 to 443.4 ± 1.5 million years ago.") (current)
• 18:55, 30 September 2013 (diff | hist) . . (+171)‎ . . N Cambrian ‎ (Created page with "The Cambrian is the first geological period of the Paleozoic Era, lasting from 541.0 ± 1.0 to 485.4 ± 1.9 million years ago (mya) and is succeeded by the Ordovician.") (current)
• 18:54, 30 September 2013 (diff | hist) . . (+121)‎ . . N Index fossil ‎ (Created page with "Index fossils refer to organisms that are geographically widespread but only existed for a short period of geologic time.") (current)
• 18:51, 30 September 2013 (diff | hist) . . (+211)‎ . . N Electron Capture ‎ (Created page with "This is when the nucleus captures an electron, which bonds with a proton and forms a neutron. The atomic mass does not change because the mass of an electron is negligible. ...") (current)
• 18:51, 30 September 2013 (diff | hist) . . (+271)‎ . . N Beta Decay ‎ (Created page with "This is when an electron is given off from a nucleus, which does not change the atomic mass because the mass of an electron is negligible. Because the electron comes from a ...") (current)
• 18:51, 30 September 2013 (diff | hist) . . (+151)‎ . . N Alpha Decay ‎ (Created page with "This is when an alpha particle of 2 protons and 2 neutrons is emitted from the nucleus. The atomic mass decreases by 4 and the atomic number by 2.") (current)
• 18:50, 30 September 2013 (diff | hist) . . (+81)‎ . . Stress ‎ (current)
• 18:50, 30 September 2013 (diff | hist) . . (+77)‎ . . Strain ‎
• 18:49, 30 September 2013 (diff | hist) . . (+931)‎ . . N Lithium ‎ (Created page with "Lithium is a chemical element with symbol Li and atomic number 3. It is a soft, silver-white metal belonging to the alkali metal group of chemical elements. Under standard condit...") (current)
• 18:47, 30 September 2013 (diff | hist) . . (+173)‎ . . N Graben ‎ (Created page with "In geology, a graben is a depressed block of land bordered by parallel faults. Graben is German for ditch or trench. The plural form is variously given as graben or grabens.") (current)
• 18:47, 30 September 2013 (diff | hist) . . (+700)‎ . . N Horst ‎ (Created page with "In physical geography and geology, a horst is the raised fault block bounded by normal faults or graben. A horst is formed from extension of the Earth's crust. The raised block i...") (current)
• 18:43, 30 September 2013 (diff | hist) . . (+21)‎ . . N Rock salt ‎ (Redirected page to Halite) (current)
• 17:27, 30 September 2013 (diff | hist) . . (+208)‎ . . N Syncline ‎ (Created page with "In structural geology, a syncline is a fold with younger layers closer to the center of the structure. A synclinorium (plural synclinoriums or synclinoria) is a large syncline wi...") (current)
• 16:19, 30 September 2013 (diff | hist) . . (+177)‎ . . N Epicenter ‎ (Created page with "The epicenter or epicentre is the point on the Earth's surface that is directly above the hypocenter or focus, the point where an earthquake or underground explosion originates.") (current)
• 16:19, 30 September 2013 (diff | hist) . . (+349)‎ . . N Surface wave ‎ (Created page with "In physics, a surface wave is a mechanical wave that propagates along the interface between differing media, usually two fluids with different densities. A surface wave can also ...") (current)
• 16:18, 30 September 2013 (diff | hist) . . (+301)‎ . . N Body wave ‎ (Created page with "Body waves travel through the interior of the Earth. They create raypaths refracted by the varying density and modulus (stiffness) of the Earth's interior. The density and modulu...") (current)
• 16:18, 30 September 2013 (diff | hist) . . (+117)‎ . . N Differential stress ‎ (Created page with "Differential stress is the difference between the greatest and the least compressive stress experienced by an object.") (current)
• 16:17, 30 September 2013 (diff | hist) . . (+22)‎ . . Spinel ‎ (current)
• 16:17, 30 September 2013 (diff | hist) . . (+161)‎ . . N Spinel ‎ (Created page with "Spinel is the magnesium aluminium member of the larger spinel group of minerals. It has the formula MgAl2O4. Balas ruby is an old name for a rose-tinted variety.")
• 16:16, 30 September 2013 (diff | hist) . . (+223)‎ . . N Volcanism ‎ (Created page with "Volcanism is the phenomenon of eruption of molten rock (magma) onto the surface of the Earth or a solid-surface planet or moon, where lava, pyroclastics and volcanic gases erupt ...") (current)
• 16:16, 30 September 2013 (diff | hist) . . (+691)‎ . . N Meteorite ‎ (Created page with "A meteorite originates in outer space as a solid piece of debris from such sources as asteroids or comets that survives its impact with the Earth's surface. It is called a meteor...") (current)
• 16:15, 30 September 2013 (diff | hist) . . (+234)‎ . . N S-wave ‎ (Created page with "A type of elastic wave, the S-wave, secondary wave, or shear wave (sometimes called an elastic S-wave) is one of the two main types of elastic body waves, so named because they m...") (current)
• 14:26, 30 September 2013 (diff | hist) . . (+269)‎ . . N Sonar ‎ (Created page with "Sonar (originally an acronym for '''SOund Navigation And Ranging''') is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, comm...") (current)
• 14:16, 30 September 2013 (diff | hist) . . (+1,049)‎ . . N Basalt ‎ (Created page with "Basalt is a common extrusive igneous (volcanic) rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet or moon. By definition, basalt...") (current)

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