Results 111 to 120 of about 180 (171)

Spatial distribution of gamma radiation levels in surface soils from Jaduguda uranium mineralization zone, Jharkhand, India, using γ-ray spectrometry, and determination of outdoor dose to the population. [PDF]

J Med Phys, 2010
Maharana M, Krishnan N, Sengupta D.
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Biotites from Metapelites of the Ogcheon-Goesan District, Korea

Journal of the Geological Society of Korea, 1976
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Decompression and anatexis of Himalayan metapelites

Tectonics, 1994
The Miocene leucogranites of the High Himalayas have been emplaced within a metasedimentary wedge, defined by the Main Central Thrust (MCT) and the South Tibetan Detachment System (STDS), a low‐angle detachment fault. Isotopic and tectonic constraints indicate that orogenic collapse along the South Tibetan Detachment System occurred at ∼20 Ma ...
Nigel Harris, John Massey
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The stability of osumilite in metapelitic granulites

Journal of Metamorphic Geology, 1995
Abstract A petrogenetic grid and related diagrams derived from KFMASH‐system experiments demonstrate that osumilite is stable in relatively magnesian bulk rock compositions (XMg > 0.6) at temperatures in excess of 875° C and pressures less than 11 kbar.
D. P. CARRINGTON, S. L. HARLEY
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The Cambrian metamorphic history of Tasmania: The Metapelites

Australian Journal of Earth Sciences, 2012
The metamorphic complexes of Tasmania formed during the Cambrian (ca 510 Ma) as a result of rapid compression in a subduction zone setting followed by rapid exhumation, which brought various fault-bounded metamorphic complexes back to the surface in less than 5 Ma.
R. M. Chmielowski*, R. F. Berry
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The effect of Mn on mineral stability in metapelites

Journal of Metamorphic Geology, 1997
Calculations based on a KMnFMASH petrogenetic grid derived using an internally consistent thermodynamic dataset indicate that the principal effect of the presence of Mn in average subaluminous pelite compositions is to stabilize garnet to higher and lower pressures and temperatures over a wide range of bulk compositions. Garnet‐bearing fields expand to
E. M. MAHAR, J. M. BAKER, R. POWELL, T. J. B. HOLLAND, N. HOWELL   +4 more
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Empirical garnet–muscovite geothermometry in metapelites

Lithos, 2002
Abstract Two empirical garnet–muscovite geothermometers, assuming no ferric iron (Model A) and 50% ferric iron (Model B) in muscovite, respectively, were calibrated under the physical conditions of P =3.0–14.0 kbar and T =530–700 °C. The input temperatures and pressures were determined by simultaneously applying the garnet–biotite thermometer [Am ...
Chun-Ming Wu, Xin-She Wang, Chong-Hui Yang, Yuan-Sheng Geng, Fu-Lai Liu   +4 more
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Metamorphism of Pelitic Rocks (Metapelites)

2011
Metapelites are probably the most distinguished family of metamorphic rocks. Typical metapelites include well-known metamorphic rocks such as, for example: chlorite-kyanite-schists, staurolite-garnet micaschists, chlori-toid-garnet micaschists, kyanite-staurolite schists, biotite-garnet-cordierite gneisses, sillimanite-biotite gneisses and ...
Kurt Bucher, Rodney Grapes
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Progressive compositional change of garnet in metapelite

Lithos, 1973
The MnO content of garnet is discussed on the basis of two models of crystalization representing complete fractionation and complete equilibrium. The progressive decrease of the MnO content or garnet in metapelite with increasing temperature is mainly due to the gradual increase in the amount of this mineral.
Akiho Miyashiro, Fumiko Shido
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The applicability of the GRIPS geobarometry in metapelitic assemblages

Journal of Metamorphic Geology, 2006
AbstractAlthough the garnet‐rutile‐ilmenite‐plagioclase‐silica (quartz) (GRIPS) geobarometer has been experimentally calibrated and widely applied, its applicability to metapelitic rocks has not yet been discussed carefully. In this paper, this barometer was recalibrated by fitting the available reversed‐phase equilibrium data incorporating different ...
Wu, CM, Zhao, GC
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