Results 1 to 10 of about 523 (117)
Epidote dissolution–precipitation during viscous granular flow: a micro-chemical and isotope study [PDF]
Solid Earth, 2022 Deformation of polymineralic aggregates can be accommodated by viscous granular flow, a process mediated by the interplay among intracrystalline plasticity and dissolution–precipitation, each active in specific minerals under given P–T conditions.
V. Peverelli +7 more
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Frontiers in Earth Science, 2023 Wide areas of the Southern sector of Ecuador are characterized by Cretaceous mafic volcanic rocks, pervasively altered by a propylitic mineralogical assemblage with epidote, chlorite, and quartz with minor titanite, illite and prehnite.
Paolo Fulignati +9 more
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A summary of the variations in relative abundance of the lanthanides and yttrium in allanites and epidotes [PDF]
Bulletin of the Geological Society of Finland, 1985 Recalculation of 506 analyses of allanites and 53 analyses of epidotes has confirmed that these minerals preferentially concentrate the light lanthanides, but that the relative concentrations vary considerably with variation of the host rocks, with ...
M. Fleischer
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Separations, 2022 The most common beneficiation method for feldspar is flotation with a cationic (amine) collector under acidic conditions. However, there are several disadvantages to this, such as environmental pollution and equipment corrosion.
Weiwei Zeng +3 more
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U − Pb geochronology of epidote by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) as a tool for dating hydrothermal-vein formation [PDF]
Geochronology, 2021 Epidote – here defined as minerals belonging to the epidote–clinozoisite solid solution – is a low-μ (μ=238U/204Pb) mineral occurring in a variety of geological environments and participating in many metamorphic reactions that is stable throughout a ...
V. Peverelli +10 more
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Geosciences, 2022 Epidote group minerals are one of the three most abundant kinds of heavy minerals in orogenic sediments, the other two being amphibole and garnet. They resist diagenesis better than amphibole and resist weathering in soils better than garnet.
Mara Limonta +3 more
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Compositional variation and zoning of epidote supergroup minerals in the Campi Flegrei geothermal field, Naples, Italy [PDF]
European Journal of Mineralogy, 2023 Authigenic epidote supergroups are an abundant accessory mineral in the calcium–aluminum silicate and thermometamorphic hydrothermal zones of the Campi Flegrei (Phlegraean Fields) geothermal field located west of Naples, Italy. Geothermal exploration for
H. E. Belkin, B. De Vivo, B. De Vivo
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Литосфера, 2019 Research subject. High-magnesium rocks associated with the granitoid massifs of the Urals are represented by gabbro-diorites and their melanocratic varieties (hornblendites), as well as by diorites and quartz diorites.
S. V. Pribavkin +4 more
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Brazilian Journal of Geology, 2020 Mineral chemistry and intensive parameter estimates for the Major Isidoro (626 Ma) and Monteirópolis (627 Ma) magmatic epidote-bearing granitic plutons, emplaced along the Jacaré dos Homens transpressional shear zone (JHSZ), Borborema Province, are ...
Thyego Roberto da Silva +3 more
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Petrology and Mineralogy of Metamorphic Rocks in The Pringsewu District, Lampung Province, Indonesia
JGEET: Journal of Geoscience, Engineering, Environment and Technology, 2023 The origin of metamorphic rock is greatly influenced by the temperature and pressure changes in every tectonic setting, especially in active subduction margins.
Happy Christin Natalia Sirait +1 more
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