Rubidium-rich feldspars and associated minerals from the Luolamäki pegmatite, Somero, Finland [PDF]
Rubidium feldspar occurs near the core zone of the highly fractionated petalite-subtype Luolamäki granitic pegmatite in intimate intergrowth with other feldspars which are part of a characteristic sequence of alteration of pollucite.
D.K. Teertstra +2 more
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Near vein metasomatism along propylitic veins in the Baksa Gneiss Complex, Pannonian Basin, Hungary
In many parts of the metapelitic (gneiss, mica schist) rock section of the Baksa Complex, significant wall-rock alteration is observable along the Ca-Al silicate veins, which show a di → ep ± czo →sp → ab ± kfs → chl → adu → prh → py → cal mineral ...
Krisztian Fintor +2 more
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Geology of the Pitchblende Deposits of Port Radium, Great Bear Lake, N.W.T. [PDF]
The geology of the McTavish Arm area of Great Bear Lake, Northwest Territories, Canada, is reviewed and a geologic map is presented. The geology of the Labine Point region is described in detail.
Campbell, Douglas Dean
core +1 more source
Mafic alkaline metasomatism in the lithosphere underneath East Serbia: evidence from the study of xenoliths and the host alkali basalts [PDF]
Effects of mafic alkaline metasomatism have been investigated by a combined study of the East Serbian mantle xenoliths and their host alkaline rocks.
H. Downes +9 more
core +1 more source
Mineralogy and Genesis of Joveinan Iron Skarn (Cenozoic Magmatic Arc, North of Isfahan) [PDF]
Joveinan marbles and skarns are located 5 km NE of Ghohrood and 140 km NW ofIsfahan in the *central part of Urumieh- Dokhtar magmatic arc. Intrusion of Ghohroodgranitoid into the Cretaceous carbonate rocks caused the contact metamorphism andformation of ...
Shahzad Sherafat +1 more
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Electron Microprobe Analysis of Biotite with Reequilibration Texture in Altered Trachyte
BACKGROUND The chemical composition of biotite contains important genetic information. The in-situ analyses of biotite with metasomatic texture can reflect the migration of the elements during the metasomatic alteration, and provide mineralogical ...
NIE Xiao +4 more
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Listvenites normally form during hydrothermal/metasomatic alteration of mafic and ultramafic rocks and represent a key indicator for the occurrence of ore mineralizations in orogenic systems.
Amin Beiranvand Pour +10 more
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Metasomatic alteration associated with the formation of subvolcanic rocks of the Abagatuysky complex (Nerchinsk ore region, Eastern Transbaikalia) [PDF]
Within the northeastern edge of the Borschovochny pluton, located in Eastern Transbaikalia, a complex of small intrusions is localized, represented by the subvolcanic bodies of the Early Cretaceous Abagatuysky andesite-dacite complex.
Kremer, Ivan O., Tishin, Platon A.
core +1 more source
Several caves of hydrothermal origin in crystalline limestones and metasomatic silicites were investigated in the central zone of the Štiavnica stratovolcano, Štiavnické vrchy Mountains, central Slovakia.
Pavel Bella +4 more
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PRECIOUS-METAL MINERALIZATION AT THE WESTERN EXOCONTACT OF THE HAUTAVAARA MASSIF, SOUTH KARELIA
Intense silicification zones and metasomatic alterations (propylitic-type) with Au-Bi-Tebearing base-metal and sulfoarsenide mineralization were revealed at the exocontact of the Hautavaara granosyenite-monzogranite massif, South Karelia.
Людмила Владимировна Кулешевич +7 more
doaj +1 more source

