Zobrazeno 1 - 10
of 827
pro vyhledávání: '"intrusive rocks"'
Autor:
LI Wenyuan
Publikováno v:
Dizhi lixue xuebao, Vol 28, Iss 5, Pp 793-820 (2022)
Chinese magmatic copper–nickel–cobalt sulfide deposit is the main source of strategic key metal resources, such as nickel, cobalt and platinum group elements in China, and it is an important deposit type with a future value that needs special att
Externí odkaz:
https://doaj.org/article/d0a6e66325ed4d1fa4df92e89cb069db
Akademický článek
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Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
Post-collisional alkaline intrusive rocks from the Dabie orogen were studied for their whole-rock major-trace elements and Sr-Nd-Hf-Pb isotopes, as well as zircon U-Pb ages and Hf-O isotopes. The results provide geochemical constraints on the nature
Externí odkaz:
https://doaj.org/article/0153e7b914794b88bf4f338b68f562bf
Autor:
Er-Teng Wang, Xin-Wei Zhai, Wan-Feng Chen, Zhen Ma, Lei Wu, Zhi-Ang Guo, Yun Wang, Gao-Rui Song, Jin-Rong Wang
Publikováno v:
Frontiers in Earth Science, Vol 10 (2023)
Late Paleozoic magmatic rock outcrops are common in the Northern Alxa, Southern Central Asian Orogenic Belt (CAOB), which is a key area for understanding tectonic processes and defining the final closure time of the Paleo-Asian Ocean (PAO). We presen
Externí odkaz:
https://doaj.org/article/25bb5162d18547ea94363e22d54d1da1
Akademický článek
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Publikováno v:
پترولوژی, Vol 12, Iss 2, Pp 95-124 (2021)
Porphyry Cu deposits are typically oxidized. Oxygen fugacity (fO2) is a key factor, which controls the formation of porphyry Cu deposits. Trace element compositions of Cretaceous magmatic zircon grains (65.9-65.1 Ma) were determined from ore-bearing
Externí odkaz:
https://doaj.org/article/0cf6ecfc5b954f68936fa6de442d8b3f
Autor:
Hong Liu, You-Guo Li, Wen-Chang Li, Guang-Ming Li, Dong-Fang Ma, Yuan Ouyang, Han-Xiao Huang, Zhi-Lin Zhang, Tong Li, Jun-Yi Wu
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
Mg-rich monzodiorite are found in the Budongla gold ore district, Zhongba County, Xizang (Tibet) Autonomous Region, P.R. China. Studying the petrogenesis of this intermediate pluton can provide effective information to explore the geological evolutio
Externí odkaz:
https://doaj.org/article/dc8fa636015e43e8a18d6279fbf5bbe1
Autor:
Mahboobeh Parvaresh Darbandi, Azadeh Malekzadeh Shafaroudi, Amir Morteza Azimzadeh, Mohammad Hasan Karimpour
Publikováno v:
پترولوژی, Vol 11, Iss 1, Pp 103-128 (2020)
The Narm iron mine located in the north of Tabas, the South Khorasan province in the north east of Iran. Magnetite is the main mineral, is associated with actinolite as the most abundant silicate mineral as well as apatite as the micro crystalline lo
Externí odkaz:
https://doaj.org/article/61694a9d14a54809bd6543a8fb32709c
Publikováno v:
Earth and Planetary Physics, Vol 4, Iss 3, Pp 317-328 (2020)
The Tan-Lu fault zone is a large NNE-trending fault zone in eastern China. Investigations of the structures of the fault zone and its surrounding areas have attracted much attention. In this study, we used dense-array ambient noise tomography to cons
Externí odkaz:
https://doaj.org/article/b4ff5c6342344ae4b448fc6a419b3c90
Akademický článek
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