Results 231 to 240 of about 51,195 (267)
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c. 1.85 Ga HP granulite-facies metamorphism in the Dunhuang block of the Tarim Craton, NW China: evidence from U–Pb zircon dating of mafic granulites

Journal of the Geological Society, 2012
Mafic granulites of the Dunhuang block, eastern Tarim Craton, record high-pressure granulite-facies metamorphism followed by a medium- to low-pressure granulite-facies metamorphic overprint, suggesting a clockwise P–T path and implying an environment of ...
Jianxin Zhang   +2 more
semanticscholar   +1 more source

Mineralogical Evidence for Regional Metamorphism Overprinted by Contact Metamorphism

Acta Geologica Sinica - English Edition, 2012
Abstract:The Soursat metamorphic complex (SMC) in northwestern Iran is part of the Sanandaj–Sirjan metamorphic belt. The complex is composed of different metamorphic and plutonic rocks, but is dominated by metapelites composed of garnet, staurolite, kyanite, fibrolite, cordierite, and andalusite.
Badr, M.   +3 more
openaire   +3 more sources

First record and timing of UHP metamorphism from zircon in the Xitieshan terrane: Implications for the evolution of the entire North Qaidam metamorphic belt

, 2012
The Xitieshan terrane is one of four metamorphic terranes in the North Qaidam metamorphic belt, which is an early Paleozoic high-pressure to ultrahigh-pressure (HP-UHP) metamorphic belt in NW China.
Xiaochi Liu   +8 more
semanticscholar   +1 more source

Elemental mobility in subduction metamorphism: insight from metamorphic rocks of the Franciscan Complex and the Feather River ultramafic belt, California

, 2012
The degree of element mobility in subduction metamorphism has generated much debate; some workers advocate considerable mobility during metamorphism, whereas others postulate minimal mobility.
Arundhuti Ghatak   +2 more
semanticscholar   +1 more source

Fluids and metamorphism

2021
This thesis was scanned from the print manuscript for digital preservation and is copyright the author. Researchers can access this thesis by asking their local university, institution or public library to make a request on their behalf. Monash staff and postgraduate students can use the link in the References field.
openaire   +2 more sources

Metamorphism and metamorphic rocks [PDF]

open access: possible, 2012
Jochen Bundschuh, Guillermo E. Alvarado
openaire   +1 more source

Definition and Types of Metamorphism

1965
Igneous rocks formed at relatively high temperatures of approximately 650° to 1200°C and sediments deposited at the earth’s surface represent extreme ends of the temperature range realized in the processes of rock formation. In the course of later geological events such rocks may become part of a region in the earth’s crust where intermediate ...
openaire   +2 more sources

Metamorphism and the evolution of plate tectonics

Nature, 2019
R. Holder   +3 more
semanticscholar   +1 more source

Classification Principles: Metamorphic Facies versus Metamorphic Grade

1974
It was a milestone in the understanding of metamorphic petrology when Eskola (1915) published his concept of metamorphic facies with the intention of replacing the earlier Becke (1913) and Grubenmann (1910) concepts of metamorphic depth zones. Nevertheless this concept of depth zones was elaborated and slightly modified by Grubenmann and Niggli (1924 ...
openaire   +2 more sources

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