salt tectonics

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• Salt tectonics — is concerned with the geometries and processes associated with the presence of significant thicknesses of rock salt within a sequence of rocks. This is due both to the low density of salt, which does not increase with burial, and its low strength …   Wikipedia

• Salt dome — A salt dome is a type of structural dome formed when a thick bed of evaporite minerals (mainly salt, or halite) found at depth intrudes vertically into surrounding rock strata, forming a diapir.The salt that forms these domes was deposited within …   Wikipedia

• plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… …   Universalium

• Orca Basin — The Orca Basin is a mid slope, silled, mini basin in the northern Gulf of Mexico some 300 km southwest of the Mississippi River mouth on the Louisiana continental slope.[1] It is unique amongst the mini basins in this area, in containing a large… …   Wikipedia

• Polystrate fossil — [ Nova Scotia, Canada (printed 1868).] Polystrate or upright fossil describes fossils of single organisms (such as tree trunks) that run through more than one geological strata. Entire fossil forests have been discovered [… …   Wikipedia

• Michoud fault — The Michoud fault is a geological fault that runs through eastern New Orleans. [1] The Michoud fault is the subject of extensive scientific inquiry into why Louisiana is losing vast tracts of land …   Wikipedia

• Halite — For the market widely known as Halite , see Central Sofia Market Hall. Halite Halite from the Wieliczka salt mine, Małopolskie, Poland (size: 16x15x13cm) General Ca …   Wikipedia

• Diapir — For the undergarment, see Diaper. An original Mathmos Astro lava lamp. A lava lamp illustrates Rayleigh–Taylor instability type diapirism in which the tectonic stresses are low. A diapir ( …   Wikipedia

• Geology of the Canyonlands area — The exposed geology of the Canyonlands area is complex and diverse; 12 formations are exposed in Canyonlands National Park that range in age from Pennsylvanian to Cretaceous. The oldest and perhaps most interesting was created from evaporites… …   Wikipedia

• Brine pool — These craters mark the formation of brine pools, from which salt has seeped through the seafloor and encrusted the nearby substrate …   Wikipedia

• Deep sea communities — giant tubeworm Deep sea communities currently remain largely unexplored, due the technological and logististical challenges and expense involved in visiting these remote biomes. Because of the unique challenges (particularly the high barometric… …   Wikipedia