Studies of petrography, metasomatic alteration, and genesis of Kamtal iron-copper skarn, northeast of Kharvana, East-Azarbaijan [PDF]
Journal of Economic Geology, 2012 Kamtal skarn is located 15 km northeast of Kharvana, East-Azarbaijan. A quartz-monzonitic stock of Oligocene age intruded the upper Cretaceous sedimentary sequence (claystone, limestone, marl, and siltstone) developing noticeable metamorphic (marble ...
Rasool Ferdowsi +3 more
doaj +4 more sources
Geophysical Monograph Series, Page 137-165., 2020 This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.
Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions
Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Konstantin Litasov +3 more
wiley +4 more sources
China Geology, 2023 The Bayan Obo supergiant carbonatite-related rare-earth-element-niobium-iron (REE-Nb-Fe) endogenetic deposit (thereafter as the Bayan Obo deposit), located at 150 km north of Baotou City in the Inner Mongolia Autonomous Region, is the largest rare-earth ...
Yi-ke Li +19 more
doaj +1 more source
Руды и металлы, 2023 Molybdenum mineralization in the Eastern Sayan is represented by the stockwork, vein, and skarn types. The article is devoted to molybdenum ore occurrences of the Dzhetsky ore cluster of the Sisim-Divnogorsk minerogenic zone, that are characterized by ...
Suchkov A. V., Vydrich D. E.
doaj +1 more source
MINERALOGY OF HOST ROCKS OF THE OSINOVSKOE GOLD-QUARTZ DEPOSIT (CENTRAL URALS) [PDF]
Минералогия, 2023 The paper describes the mineralogy of mica shales of the Osinovskoe gold deposit in the Central Urals. Our studies unraveled the role of dynamometamorphism in the transformation of primary rocks and allowed the characterization of their metasomatic ...
N.P. Safina, L.Ya. Kabanova, I.A. Blinov
doaj +1 more source
Mineralogical and geochemical characteristics of zircon from diorite porphyry dyke in Sergozerskoe gold occurrence (the Strel'ninsky greenstone belt, Kola region) [PDF]
Vestnik MGTU, 2016 Mineralogical and geochemical investigation of zircon from diorite porphyry from Sergozerskoe occurrence has been carried out. Study of morphology and inner structure of zircon crystals in back scattered electron rays as well as assaying for content and ...
Kudryashov N. M. +3 more
doaj +1 more source
Mal'javr – the first gold prospect in the Archean conglomerates, the Kola region
Vestnik MGTU, 2023 A new type of prospects of gold mineralization in the Kola region is considered in the paper. The Mal'javr prospect is located in the south-western flank of the Uragubsky greenstone belt in biotite gneiss – the metamorphosed sedimentary rocks with ...
Kalinin A. A. +2 more
doaj +1 more source
Известия высших учебных заведений: Геология и разведка, 2021 Background. Some papers describing the deposits and prospects in the Baimka ore zone (Baimka Trend), the Chukotka Autonomous Region have been recently published.
A. V. Yusupova +2 more
doaj +1 more source
Rubidium-rich feldspars and associated minerals from the Luolamäki pegmatite, Somero, Finland [PDF]
Bulletin of the Geological Society of Finland, 1998 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
doaj +1 more source
Near vein metasomatism along propylitic veins in the Baksa Gneiss Complex, Pannonian Basin, Hungary
Geologia Croatica, 2010 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
doaj +1 more source