LowP/TSeries (Contact) Metamorphism Contact metamorphismoccurs due to heating, with or without burial, of rocks that lie close to amagmaintrusion. It is characterized by lowP/Tgradients, as strong thermal gradi
Contact metamorphism in the Standard area in the west-central foothills of the Sierra Nevada produced a narrow zone of sillimanite schists adjacent to the plutonic contact. The sporadic occurrence of K-feldspar in the sillimanite schists is interpreted to be the result of variations in the PH2O...
Tourmaline has a wide spectrum of chemical components it can integrate because of its intricate crys- tal structure. This makes tourmaline a good geochemical tracer, able to show the metallogenesis of hydrothermal and metamorphism-related deposit. Consequently, it is a strong mineral indicator of ...
An example of this situation is documented in the Himalayan orogen where a 20 km offset of the Moho was recognized beneath the Indus suture, which was interpreted as a result of crustal slices thrust on top of each other during the Himalayan collision (Hirn et al., 1984a, Hirn et al....
(2) a thrust complex of fragmented oceanic terranes 3. (3) an unconformable succession that overstepped both (1) and (2). This mass was subsequently thrust eastward, imbricated, and metamorphosed during Scandian orogenesis. As a result of the pervasive Scandian overprint, pre-Scandian faults...
a.The process by which the working substance in a heat engine, such as the vapor mixture in the cylinder of an internal-combustion engine, is compressed. b.The engine cycle during which this process occurs. 3.ComputersThe process by which data is compressed into a form that minimizes the ...