Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Behzad Mehrabi"'
Publikováno v:
Journal of Economic Geology, Vol 16, Iss 1, Pp 79-112 (2024)
Khosro Abad iron ore deposit is located 130 km of Kermanshah, 30 km northeast of Sonqor city close to Khosro Abad village, in the Sanandaj-Sirjan zone. Based on the field observation, exposed units in the area include; basaltic-andesite volcanic rock
Externí odkaz:
https://doaj.org/article/d942f6d7790f42baa381cac8d593b1fe
Publikováno v:
پترولوژی, Vol 15, Iss 1, Pp 1-58 (2024)
Zircon is a significant mineral due to its ubiquitous occurrence, chemically resistant and refractory, that can survive both weathering and transport processes as well as high-temperature metamorphism and anatexis (Ballard et al., 2002). It can, ther
Externí odkaz:
https://doaj.org/article/df21315ca9fd4dbe98b9e3eafb243ac9
Publikováno v:
Journal of Economic Geology, Vol 15, Iss 1, Pp 115-142 (2023)
In this research, to contribute to the understanding of the geochemistry of trace elements in zircon, we determined the REEs, Y, Nb, Ta, Th, and U contents in zircon grains in three granitoids (Sarnowsar, Sarkhar and Bermani) by laser ablation-induct
Externí odkaz:
https://doaj.org/article/c04ee2a617884f5d8855438d9c62b59d
Publikováno v:
Journal of Economic Geology, Vol 14, Iss 2, Pp 29-64 (2022)
Introduction The Himalayan-Tibetan and Zagros Mountain ranges which are the youngest and most extensive continental-collision orogens in Tethyan domain host many important sediment-hosted Pb-Zn deposits, including the world-class Jinding, Huoshaoyun
Externí odkaz:
https://doaj.org/article/3e050da5aa9042dcb5c8ac2f59cf56b5
Publikováno v:
Journal of Economic Geology, Vol 14, Iss 2, Pp 65-91 (2022)
Hydrothermal iron ore deposits are formed at various depth, from shallow to deep environments mainly as Veins and stockwork hydrothermal iron ore are formed by hydrothermal fluids at various depth, from shallow to deep environments (Guilbert and Park
Externí odkaz:
https://doaj.org/article/302682c70b0d434299c5e24060193be6
Publikováno v:
Journal of Economic Geology, Vol 12, Iss 4, Pp 509-530 (2021)
Introduction The Sari Gunay veining and breccia epithermal gold mineralization is situated between the Urumieh-Dokhtar magmatic belts and the Sanandaj-Sirjan metamorphic zone in central-NW Iran. The Sari Gunay gold deposit is hosted by a middle Mioc
Externí odkaz:
https://doaj.org/article/4886a48902f3475a92ff4e3449c15d09
Publikováno v:
پترولوژی, Vol 9, Iss 3, Pp 217-244 (2018)
Dagh-Dali Zn-Pb deposit is located 40 km north of Takab city and it consist of Bekhair-Bolaghi and Baldirghani ore zones. Mineralization in Bekhair-Bolaghi is consist of galena, sphalerite, pyrite and chalcopyrite with disseminated texture hosted in
Externí odkaz:
https://doaj.org/article/00076102e75a437fa116919e94dc94aa
Publikováno v:
مجله علوم و فنون هستهای, Vol 39, Iss 3, Pp 68-78 (2018)
In this research, the layers of the sedimentary environment of the Pabdeh formation, which have different variation amounts of phosphate minerals (Apatite), were studied. The XRF and XRD analyses were performed for determination of the minerals and t
Externí odkaz:
https://doaj.org/article/28e69c0f2e2f4d5b9fe4eee588051a15
Publikováno v:
پترولوژی, Vol 8, Iss 32, Pp 21-44 (2018)
The Agh-Daragh study area in the north of Ahar is located in Ahar-Arasbaran zone. The area is distinguished by W, Cu and Au metal endowment and has been explored during stream sediment and heavy mineral exploration. At least, three mineral occurrence
Externí odkaz:
https://doaj.org/article/b2ca2ba5bc864269a736dfeac7d190e9
Publikováno v:
Journal of Economic Geology, Vol 9, Iss 2, Pp 463-481 (2017)
Introduction The Gol-Gohar iron ore deposit located in 55 km South West of the city of Sirjan, in the Sanandaj-Sirjan structural zone. Sanandaj-Sirjan zone (SSZ) is part of the Alpian-Hymalian orogenic belt and it is located in the west of the centr
Externí odkaz:
https://doaj.org/article/4c5bb74a21b3456c8bc1574853612d18