Results 171 to 180 of about 8,120 (216)

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
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Assessment of radioactivity and radiological hazards associated with bricks in eastern Nepal. [PDF]

Heliyon
Shrestha AK, Shrestha GK, Shah BR, Koirala RP.   +3 more
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Water quality assessment of Upper Ganga and Yamuna river systems during COVID-19 pandemic-induced lockdown: imprints of river rejuvenation. [PDF]

Geochem Trans
Tiwari SK, Yadav JS, Sain K, Rai SK, Kharya A, Kumar V, Sethy PC.   +6 more
europepmc   +1 more source

Petrographic and geochemical study of Precambrian and Paleozoic rocks in the western Anti-Atlas belt, Morocco: Facies, weathering, provenance and economic exploitation. [PDF]

Heliyon
Sebbab MM, Ousbih M, En-Nasiry M, El Ouahidi A, Abdelrahman K, El Atillah A, Uddin MG, Ekoa Bessa AZ, Fnais MS, Olbert AI, Abioui M.   +10 more
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The distribution of groundwater uranium in Chintamani village, Karnataka, India. [PDF]

F1000Res
Rampur S, V K MK, Pelli PR, Sarkar S, Pramanik S, Majumder U, S S, Meenakshi T B, G Santhanakrishnan S, Pendem R, Ghosh T, Nagarajan D.   +11 more
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Configuration of Migmatite Dome Comparative Tectonics of Migmatite in the Hidaka Metamorphic Belt

Configuration of Migmatite Dome Comparative Tectonics of Migmatite in the Hidaka Metamorphic Belt
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Crystallization processes in migmatites

American Mineralogist, 2001
An important prerequisite for interpreting microstructures in plutonic and metamorphic rocks is understanding crystallization processes. This study uses crystal size distribution (CSD) and grain shape parameters to investigate mineral-reaction-controlled crystal growth and melt solidification in migmatites of the Bayerische Wald (Variscan Orogeny ...
Alfons Berger, Gregory Roselle
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Igneous microstructures in migmatites

Geology, 1988
Clear differences between the microstructures of leucosomes and mesosomes occur in some nebulitic migmatites in the Proterozoic Arunta block, central Australia. The leucosomes show crystal faces of K-feldspar (microcline-microperthite), cordierite, andalusite, and plagio clase against quartz, indicating crystallization of a melt.
R. H. Vernon, W. J. Collins
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Melt segregation in migmatites

Journal of Geophysical Research: Solid Earth, 1995
Anatectic stromatic migmatites have a symmetrical layered structure with a low ratio of thickness to length and a periodicity, features that have not been explained satisfactorily but which are related to physical processes of melt segregation. We evaluate the compaction model for segregation as it applies to migmatites and develop models for melt ...
Michael Brown, Yuri A. Averkin, Eileen L. McLellan, Edward W. Sawyer   +3 more
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Schlieren formation in diatexite migmatite: examples from the St Malo migmatite terrane, France

Journal of Metamorphic Geology, 2003
AbstractSchlieren are trains of platy or blocky minerals, typically the ferromagnesian minerals and accessory phases, that occur in granites and melt‐rich migmatites, such as diatexites. They have been considered as: (1) unmelted residue from xenoliths or the source region; (2) mineral accumulations formed during magma flow; (3) compositional layering;
I. Milord, E. W. Sawyer
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