bedding [mining] (bed'-ding). (a) A quarrying term applied to a structure occurring in granite and other crystalline rocks that tend to split in well-defined planes more or less horizontally or parallel to the land surface. (b) The storing and mixing of different ores in thin layers in order to blend them more uniformly in reclamation.
GeoWord of the Day
The GeoWord of the Day is a free service of the American Geosciences Institute. All of the terms and definitions are from the Glossary of Geology, 5th Edition Revised.
Chadronian (Chad-ron'-i-an). North American land mammal age: early Oligocene (after Duchesnean, before Orellan).
encroachment [stratig] . The horizontal component of coastal onlap (Mitchum, 1977, p.208). See also: aggradation [stratig].
free surface . The upper surface of a layer of fluid where the pressure on it is equal to the external atmospheric pressure. Cf: water table.
metanauplius (met-a-nau'-pli-us). A postnaupliar crustacean larva with the same general body and limb morphology as a nauplius, but having additional limbs (about seven pairs).
strandflat (strand'-flat). (a) Any wave-cut platform; esp. a low, flat platform up to 65 km wide, extending for many hundreds of kilometers along the rocky coast of western Norway, either partly submerged or standing slightly above the present sea level as a result of isostasy, and supporting thousands of stacks, skerries, and other small islands. (b) A discontinuous shelf of land inside a fjord, reaching to about 30 m in height, having a rounded and dissected form.
tabular dissepiment . A nearly flat plate extending across an entire scleractinian corallite or confined to its axial part.
acavate (a-ca'-vate). In palynomorphs, lacking a cavity between wall layers (Williams et al., 2000, p.2). Ant: cavate.
garbage . Nonhazardous animal and vegetable wastes from cooking and food processing; garbage contains up to 70% moisture and up to 5% noncombustible solids.
feeding esker . A small esker joining a larger one.
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