Erosion, Himalayan Geodynamics, and the Geomorphology of Metamorphism

GSA Today (2001)

Peter K. Zeitler A. Meltzer Peter O. Koons D. Craw B. Hallet C. Page Chamberlain W. S. F. Kidd Stephen K. Park L. Seeber Michael P. Bishop John F. Shroder

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Abstract:

Is erosion important to the structural and petrological evolution of mountain belts?The nature of active metamorphic massifs colocated with deep gorges in the syntaxes at each end of the Himalayan range, together with the magnitude of erosional fluxes that occur in these regions, leads us to concur with suggestions that erosion plays an integral role in collisional dynamics.At multiple scales, erosion exerts an influence on a par with such fundamental phenomena as crustal thickening and extensional collapse.Erosion can mediate the development and distribution of both deformation and metamorphic facies, accommodate crustal convergence, and locally instigate high-grade metamorphism and melting.

Keywords:

Massif

geodynamics

Topics:

earthquake and tectonic studies

Landslides and related hazards

Geological formations and processes

10.1130/1052-5173(2001)011<0004:ehgatg>2.0.co;2

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Nitrogen aggregation in metamorphic diamonds from Kazakhstan

Geochimica et Cosmochimica Acta (1994)

Kim S. Finnie David Fisher William L. Griffin Jeff W. Harris N. V. Sobolev

Massif

Pseudomorph

10.1016/0016-7037(94)90302-6

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Citations (27)

Impact of 100 Ma-long tectonic history on the finite strainfield of the western French Massif Central: implications on the exhumation of HP rocks and Variscan geodynamics

HAL (Le Centre pour la Communication Scientifique Directe) (2019)

Bryan Cochelin Charles Gumiaux Florence Cagnard Éric Gloaguen Stanislas Sizaret

Massif

geodynamics

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Calcium-poor garnet in relation to metamorphism

Geochimica et Cosmochimica Acta (1953)

Akiho Miyashiro

Pelite

Isograd

10.1016/0016-7037(53)90014-3

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Citations (120)

Frey, M. and Robinson, D. (Eds) Low Grade Metamorphism.Oxford (Blackwells Science), 1999, x + 313 pp. Price £44.50. ISBN 0-632-04756-9.

Mineralogical Magazine (2000)

Peter J. Treloar

For many metamorphic petrologists, the study of low-grade metamorphic rocks is something of a black art. Because low-grade rocks are frequently fine-grained, contain a wide variety of low-temperature minerals with limited stability fields, and have high porosities and fluid contents they are not as readily understood as higher grade metamorphic rocks. For these rocks, few, if any, of the standard thermobarometers or thermobarometric datasets are applicable and the derivation of fluid evolution histories is complicated by the high concentration of, frequently reduced, fluids. Low-grade metamorphism, at T <400°C and P <4–5 kbar, spans the P – T interval between what may be erroneously termed ‘proper’ metamorphism and the field of diagenesis, although in reality there is no clear or sharp break between the diagenetic and metamorphic fields. As such, techniques relevant to the study of low-grade metamorphism span those of both the sedimentary and metamorphic fields. This …

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Metamorphism and Metamorphic Rocks

Petrology (2013)

Gautam Sen

Isograd

10.1007/978-3-642-38800-2_15

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Citations (2)

Metamorphism, Metamorphic Rocks and Classification of Metamorphic Rocks

Elsevier eBooks (2020)