Results 1 to 10 of about 3,941 (231)

Whole Rock, Mineral Chemistry during Skarn Mineralization-Case Study from Tongshan Cu-Mo Skarn Profile

open access: yesApplied Sciences, 2023
Studying the activation, migration and precipitation processes of ore-forming elements is essential for understanding the genesis and mechanisms of skarn deposits.
Ran Bi, Fangyue Wang, Wenqi Zhang
doaj   +1 more source

Skarn Mineral Characteristics of the Ahetala Copper Deposit and Its Geological Significance

open access: yesYankuang ceshi, 2022
BACKGROUND The Ahetala copper deposit is located in Arheqi County, Xinjiang Uygur Autonomous Region. It is located in the South Tianshan orogenic belt, northern margin of Tarim Basin. The deposit belongs to a typical skarn type deposit.
XU Yang   +5 more
doaj   +1 more source

Geology and Fe-Skarn Mineralization in Lolo Prospect, Solok West Sumatra, Indonesia

open access: yesIraqi Geological Journal, 2023
The study area is situated in Lolo village, Pantai Cermin district, Solok regency, West Sumatra province, Indonesia. Several mining companies have been operated for skarn-related iron ore type in this area and its vicinity.
Pandu Ananke   +2 more
doaj   +1 more source

Petrology of skarns in the north and the southwest of Qazan (South Qamsar) with emphasis on the mineral chemistry of garnet and pyroxene [PDF]

open access: yesپترولوژی, 2018
The Oligo-Miocene Qazan granitoid body caused contact metamorphic of surrounding rocks and skarn formation in the wall limestone. The main intrusive rocks are essentially granite to diorite in composition.
Maria Chavideh   +2 more
doaj   +1 more source

Study of the intrusive body associated with Gowdal skarn (North of Ahar) and its comparison with other skarn granitoids [PDF]

open access: yesپترولوژی, 2021
The monzonitic-syenitic Gowdal intrusive body located in the north of Ahar, East- Azerbaidjan province is a member of the Shivardagh batholithic body and a part of the Alborz- Azerbaidjan- Lesser Caucasus magmatic belt related to the Meso-Tethys (Sevan ...
Bahaedin Nakhjavani   +3 more
doaj   +1 more source

The mineral exploration of rare earth elements using the optimal sampling pattern in Baghak mine [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering, 2023
In current study, sampling from the Baghak anomaly in Sangan mines has been carried out based on radioactivity and radiation measurement methods. The goal of this study is to survey the presence or absence of such a relation (between rare earth and ...
Seyyed saeed Ghannadpour   +1 more
doaj   +1 more source

Studies of petrography, metasomatic alteration, and genesis of Kamtal iron-copper skarn, northeast of Kharvana, East-Azarbaijan

open access: yesJournal 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 ...
Rasoul Ferdowsi   +3 more
doaj   +3 more sources

Ilvaite trace mineral chemistry as a thermodynamic recorder of retrograde alteration and metallogenic indicator for discrimination of skarn deposits: an example from the iron deposit in North Sanandaj-Sirjan Zone [PDF]

open access: yesعلوم زمین خوارزمی, 2023
Ilvaite, CaFe22+Fe3+(Si2O7)O(OH), is one of the important trace minerals in the retrograde alteration stage of skarn deposits. In this contribution, by using microscopic evidence, X-ray diffraction (XRD) and electron microprobe analysis (EPMA), the ...
Ebrahim Tale Fazel
doaj  

Study of specifications of the second index Baba-Ali,‎unusual magnetite-limonite layered deposit ‎‎(Hamedan province)‎ [PDF]

open access: yesپترولوژی, 2018
Baba Ali Index 2, iron deposit is located in the northwest of Hamedan province and the southwestern of Baba Ali village in the Sanandaj-Sirjan structural zone.
Mehrdad Barati   +2 more
doaj   +1 more source

Genetic relationships between skarn ore deposits and magmatic activity in the Ahar region, Western Alborz, NW Iran

open access: yesGeologica Carpathica, 2014
Paleocene to Oligocene tectonic processes in northwest Iran resulted in extensive I-type calc-alkaline and alkaline magmatic activity in the Ahar region.
Mollai Habib   +2 more
doaj   +1 more source

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