Results 21 to 30 of about 10,467 (267)
Geochemistry Geophysics Geosystems, 2020 The mineralogy, chemical composition, and physical properties of cratonic mantle eclogites with oceanic crustal protoliths can be modified by secondary processes involving interaction with fluids and melts, generated in various slab lithologies upon ...
S. Aulbach +5 more
semanticscholar +1 more source
Journal of Economic Geology, 2023 Macroscopic, microscopic and geochemical studies carried out on albite-bearing metasomatites and metasomatic rhyolites hosting the magnetite-apatite deposit of Chogharat indicate the presence of three generations of albite with different concentrations ...
Kiamars Hosseini +2 more
doaj +1 more source
, 2020 Olivine is the most abundant phase in kimberlites and is stable throughout most of the crystallization sequence, thus providing an extensive record of kimberlite petrogenesis. To better constrain the composition, evolution, and source of kimberlites we
A. Soltys +3 more
semanticscholar +1 more source
Geochemical Aspects of Na-Metasomatism in Sargaz Granitic Intrusion (South of Kerman Province, Iran) [PDF]
Journal of Sciences, Islamic Republic of Iran, 2012 The Sargaz granitic intrusion has been emplaced in Sargaz ophiolitic suite, south-east of Sanandaj-Sirjan metamorphic zone, south of Kerman province.
H. Ahmadipour
doaj
Geochemistry, Geophysics, Geosystems, 2023 Talc‐rich rocks are common in exhumed subduction zone terranes and may explain geophysical observations of the subduction zone interface, particularly beneath Guerrero, Mexico, where the Cocos plate subducts horizontally beneath North America and ...
P. C. Lindquist +4 more
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The Fluorapatite P–REE–Th Vein Deposit at Nolans Bore: Genesis by Carbonatite Metasomatism
, 2020 Nolans Bore is a rare earth element (REE) ore deposit in the Reynolds Range, Aileron Province, Northern Territory, Australia. It consists primarily of fluorapatite and alteration products thereof, surrounded by a diopside-dominated selvage.
M. Anenburg, J. Mavrogenes, V. Bennett
semanticscholar +1 more source
ONTOGENETIC APPROACH TO THE METASOMATISM THEORY [PDF]
Минералогия, 2016 Metasomatism is a phenomenon of substitution of some minerals by other minerals under simultaneous dissolution of early minerals and crystallization of late minerals.
V.A. Popov
doaj
Mechanisms of metasomatic reactions [PDF]
Mineralogy and Petrology, 2009 Fluid-aided mass transfer and subsequent mineralre-equilibrationarethetwodefiningfeaturesofmetasomatismand must be present in order for metamorphism to occur.Taking into account geological time scales, the amount offluidrequiredneednotbegreat(considerablylessthan0.01%of the total volume) nor even in continuous flow but the fluidmust be chemically ...
Harlov, D., Marschall, H.
openaire +4 more sources
Geochemistry, Geophysics, Geosystems, 2021 Fluid release from subducting oceanic lithosphere is a key process for subduction zone geodynamics, from controlling arc volcanism to seismicity and tectonic exhumation.
Francesca Piccoli +4 more
doaj +1 more source
Geochemistry, Geophysics, Geosystems, 2023 Meter‐ to hectometer‐size horizons of carbonate‐bearing talcschists are found along or near the contacts between the different Liguro‐Piemont subduction slices.
Clément Herviou, Guillaume Bonnet
doaj +1 more source