Results 161 to 170 of about 10,884 (225)

The method of radiation risk assessment based on physico-geographical regionalisation: a case study of Carpathians, Poland. [PDF]

Environ Sci Pollut Res Int
Jędrzejek F, Szarłowicz K, Stobiński M.   +2 more
europepmc   +1 more source

Magnetite in marble-bearing amphibolites- rockmagnetic investigations on magnetite-bearing amphibolites from the KTB

, 1994
de Wall, H., Kontny, A., Borovik, N., Worm, H.   +3 more
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Geological, geomorphological, and environmental insights into the Neoproterozoic Aswan granites, Egypt: remote sensing and radiological assessment. [PDF]

Sci Rep
El Bahariya GA, Salem IA, Saleh GM, Ibrahim EM, Mohamed SE, El Sarrag A, Shebl A.   +6 more
europepmc   +1 more source

Metasomatism between amphibolite and metaultramafic rocks during upper amphibolite facies metamorphism, Tobacco Root Mountains, southwest Montana

, 2000
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Mineral transformations within amphibolites at Eldora, Colorado

, 1992
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Amphibolites Study from Various Borehole Depth

57th U.S. Rock Mechanics/Geomechanics Symposium, 2023
ABSTRACT In this study the elastic properties of crystalline rocks – amphibolites from different boreholes were studied. We studied the depth effect on the elastic properties of mineralogically quite homogenous rocks – amphibolites. The samples were taken from three different crustal levels – shallow (tens of meters)
T. Lokajícek, A. Aminzadeh, T. Svitek, M. Petružálek, R. Prikryl   +4 more
openaire   +1 more source

Amphibolite facies conditions in the oceanic crust: example of amphibolitized flaser-gabbro and amphibolites from the Chenaillet ophiolite massif (Hautes Alpes, France)

Earth and Planetary Science Letters, 1978
Abstract Petrological and mineralogical data on amphibolitized gabbros from an Alpine ophiolite massif (Chenaillet Massif, France) are presented. Comparison with metagabbros dredged from the ocean floor shows that synkinematic amphibolite facies conditions may be reached in gabbros after their initial crystallization in the vicinity of the ridge.
Catherine Mevel, Renaud Caby, Jean-Robert Kienast   +2 more
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Generation of granites after amphibolites

Petrology, 2006
This paper presents the results of a comprehensive experimental study of the formation of granitoid melts at the expense of olivine-normative amphibolites. It was shown that trondhjemite-tonalite and granite-granodiorite melts can be generated by incongruent melting reactions at pressures of 5–25 kbar at T = 800–1000°C.
V. A. Zharikov, L. I. Khodorevskaya
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CLASSIFICATION OF AMPHIBOLITES

Geological Society of America Bulletin, 1963
Research on amphibolite problems has mainly been concentrated on the chemical differences between ortho- and para-amphibolites with little attempt at a classification of rock types. Therefore, a simple classification of amphibolites ( sensu lato ) is presented to include amphibolites ( sensu stricto ), plagioclase amphibolites, and quartz amphibolites.
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Amphibolitization of Scourian granulites

Scottish Journal of Geology, 1974
Synopsis Scourian granulite-facies gneisses from north-west Scotland occur as relict masses surrounded by amphibolitized granulites. During amphibolitization the gneisses suffered both deformation and metamorphism. Ortho- and clinopyroxenes were replaced by hornblende and hornblende-quartz intergrowths forming corona textures.
openaire   +1 more source