Results 141 to 150 of about 273,837 (164)

Climate-change-enhanced habitat diversification for the Middle Jurassic Yanliao Biota in East Asia. [PDF]

open access: yesNatl Sci Rev
Hao W   +15 more
europepmc   +1 more source

Metasomatic Alteration of Type 3 Ordinary and Carbonaceous Chondrites [PDF]

open access: yesSpace Science Reviews
Metasomatism refers to the process during which a pre-existing rock undergoes compositional and mineralogical transformations associated with chemical reactions triggered by the reaction of fluids which invade the protolith.
Alexander N. Krot   +2 more
exaly   +3 more sources

Infrared spectral identification of metasomatic alteration minerals and its implication to gold exploration in Shihu Gold Deposit, Hebei Province, P.R. China

open access: yesProceedings of SPIE, 2014
Hydrothermal alteration is of great importance for mineral exploration, especially the blind ore-hunting due to its larger scale and special zonation compared to the ore bodies.
Jiacheng Liu
exaly   +2 more sources

Tracing the effects of high-pressure metasomatic fluids and seawater alteration in blueschist-facies overprinted eclogites: Implications for subduction channel processes [PDF]

open access: yesChemical Geology, 2012
Eclogites from the Tian Shan high-pressure/low-temperature (HP/LT) metamorphic belt show evidence for successively increasing metasomatic alteration with increasing retrograde, blueschist-facies overprint. To constrain the source(s) of the metasomatizing
Folkmar Hauff   +2 more
exaly   +2 more sources

Disturbance of the Sm-Nd isotopic system by metasomatic alteration: A case study of fluorapatite from the Sin Quyen Cu-LREE-Au deposit, Vietnam

open access: yesAmerican Mineralogist, 2018
The Neoproterozoic (840 Ma) Sin Quyen deposit in northwestern Vietnam contains replacement Cu-LREE-Au orebodies in Proterozoic metasedimentary rocks.
Jian-Feng Gao   +2 more
exaly   +2 more sources

Using equilibrium thermodynamics in the study of metasomatic alteration, illustrated by an application to serpentinites

open access: yesLithos, 2013
Metasomatic rocks, in which mineralogical change is driven by infiltration of an externally-derived fluid, are challenging for the application of equilibrium thermodynamics because fluid-driven changes in rock bulk composition can be faster than ...
Roger Powell, K A Evans
exaly   +2 more sources
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