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Solidified lava flow in Hawaii Sedimentary layers in Badlands National Park, South Dakota Metamorphic rock, Nunavut, Canada. Geology (from Ancient Greek γῆ (gê) 'earth' and λoγία () 'study of, discourse') [1] [2] is a branch of natural science concerned with the Earth and other astronomical objects, the rocks of which they are composed, and the processes by which they change over time. [3]
The word sund is also documented in Old Norse and Old English as meaning "gap" (or "narrow access"). This suggests a relation to verbs meaning "to separate", such as absondern and aussondern ( German ), söndra ( Swedish ), sondre ( Norwegian ), as well as the English noun sin , German Sünde ("apart from God's law"), and Swedish synd .
Geology is the study of Earth and its components, including the study of rock formations. ... Igneous rock (derived from the Latin word igneus, meaning of fire, from ...
Jun. 21—Making maps, hiking, exploring the geology around them and making a seismometer are among the things kids in University of Texas Permian Basin's Geology Camp have learned about this week.
Also called Indianite. A mineral from the lime-rich end of the plagioclase group of minerals. Anorthites are usually silicates of calcium and aluminium occurring in some basic igneous rocks, typically those produced by the contact metamorphism of impure calcareous sediments. anticline An arched fold in which the layers usually dip away from the fold axis. Contrast syncline. aphanic Having the ...
Abrasion, under its strictest definition, is commonly confused with attrition and sometimes hydraulic action however, the latter less commonly so. Both abrasion and attrition refers to the wearing down of an object.
In geology, a facies (/ ˈ f eɪ ʃ ɪ. iː z / FAY-shih-eez, US also / ˈ f eɪ ʃ iː z / FAY-sheez; same pronunciation and spelling in the plural) [a] is a body of rock with distinctive characteristics. [1]
Petroleum geology: the study of sedimentary basins applied to the search for hydrocarbons (oil exploration). Planetary geology: the study of geosciences as it relates to other celestial bodies, namely planets and their moons. This includes the subdisciplines of lunar geology, selenology, and martian geology, areology.