Results 71 to 80 of about 2,316 (218)

Isotopic Composition and Alteration Characteristics of Dacite Porphyry, and Their Prospecting Significance in the Dabaoshan Copper Deposit of Guangdong Province

Yankuang ceshi, 2020
BACKGROUND The main types of copper deposits are porphyry and skarn types. Dacite porphyry is a rock type commonly developed in the porphyry Cu-Mo-Au system.
ZHAO Chen-hui, WANG Cheng-hui, ZHAO Ru-yi, LIU Shan-bao, RAO Jiao-ping, LIU Wu-sheng, ZHANG Xiong, JIANG Jin-chang, LI Ting-jie   +8 more
doaj   +1 more source

Apatite Fission Track Thermochronology of Granite from Duobaoshan Porphyry Cu (Mo) Deposit, Northeast China: Implications for Cooling History and Ore Preservation

Geofluids, 2022
The Duobaoshan Cu (Mo) deposit is one of the oldest super large porphyry deposits in the eastern part of the Central Asian orogenic belt. Although ore-forming processes have been extensively concerned, the post-mineralization ore preservation state was ...
Yaxing Leng, Jianping Wang, Dewen Zheng
doaj   +1 more source

Baogutu: An example of reduced porphyry Cu deposit in western Junggar

Ore Geology Reviews, 2014
Abstract Classic oxidized porphyry copper deposits (OPCD) are characterized by high tonnage and elevated f O 2 and contain highly oxidized minerals including primary anhydrite and hematite. In contrast, the Baogutu deposit contains abundant hypogene pyrrhotite and methane-rich fluid inclusions, characteristic of lower tonnage, reduced porphyry ...
Cao, M., Qin, K., Li, G., Jin, L., Evans, Noreen, Yang, X.   +5 more
openaire   +2 more sources

A Review of Metal–Organic Framework (MOF) Based Active Food Packaging: Materials Selection, Cellulose Matrices Current Advances, Synthesis and Characterizations

Packaging Technology and Science, Volume 39, Issue 5, Page 533-572, May 2026.
Active packaging offers an effective approach to extending food shelf life. This review summarizes the past decade of progress in metal‐organic framework (MOF)‐based active food packaging, highlighting material selection, characterization, challenges, and future prospects.
Belladini Lovely, Young‐Teck Kim, Haibo Huang, Novitri Hastuti, Su Jung Hong   +4 more
wiley   +1 more source

Using platinum group elements to identify sulfide saturation in a porphyry Cu system: the El Abra porphyry Cu deposit, northern Chile

, 2016
Geochronological and geochemical studies, including platinum group element (PGE) analyses, were undertaken on samples from the El Abra–Pajonal igneous complex, northern Chile, to investigate the magmatic evolution of the suite. Special attention was paid
Cocker, Helen A., Valente, Dianne L., Park, Jung-Woo, Campbell, Ian H.   +3 more
core   +1 more source

Hornblendite in the Lower Crust: A Possible Source for Porphyry Cu Deposits

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 5, May 2026.
Abstract Lower crustal sulfide‐bearing Cu‐rich cumulates, mainly occurring as hornblendite, have been proposed as a critical source component for the development of giant porphyry Cu deposits (PCDs); however, their mineralogical and geochemical nature remain elusive.
Guangxu Li, Lingsen Zeng, Li‐E. Gao, Lilong Yan, Haitao Wang, Linghao Zhao   +5 more
wiley   +1 more source

Chlorite and epidote chemistry of the Yandong Cu deposit, NW China: Metallogenic and exploration implications for Paleozoic porphyry Cu systems in the Eastern Tianshan

, 2018
The Yandong porphyry Cu deposit in the Eastern Tianshan terrane is the largest in Xinjiang, NW China (metal reserve: 2.3 Mt Cu @ 0.67%). Three periods and six alteration and mineralization stages were identified in this study, i.e., Porphyry period ...
Bing Xiao, Wang, Yunfeng, Yang, Juntao, Huayong Chen, Yunfeng Wang, Han, Jinsheng, Chao Xu, Jinsheng Han, Xu, Chao, Juntao Yang, Xiao, Bing, Chen, Huayong   +11 more
core   +1 more source

Chemical Geodynamics of Granitoid Magmatism During a Pacific‐Philippine Sea Plate Transition in Southwest Japan

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 5, May 2026.
Abstract Granitoid magmatism along the western Pacific margin records interactions between subduction dynamics and crust–mantle processes; however, the links between plate reorganization and magma‐source evolution remain debated. Here we integrate U–Pb zircon geochronology with Pb–Sr–Nd–Hf isotope systematics to investigate Cretaceous–Paleogene ...
Nghiem V. Dao, Tsegereda A. Yemer, Tulibako T. Mwaisuba, Chie Sakaguchi, Hiroshi Kitagawa, Katsura Kobayashi, Teruyoshi Imaoka, Eizo Nakamura   +7 more
wiley   +1 more source

High Temperature Friction and Strength of Felsite and Basalt: Implications for Supercritical EGS at Krafla, Iceland

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 5, May 2026.
Abstract One promising potential site for extracting supercritical geothermal fluids is the Krafla volcano, Iceland, into which a borehole was drilled very close to a shallow rhyolite magma chamber at about 2 km depth. Besides the technical challenge to drill in this setting, the extreme temperature conditions of T > 900°C close to the magma body may ...
E. Rybacki, V. Schuster, J. Starke, S. Incel   +3 more
wiley   +1 more source

Systematization of u-pb zircon ages of granitoids from the copper porphyry deposits on the urals

Литосфера, 2017
There is a generalization of U-Pb age of zircons from the copper-porphyry deposits of the eastern slope of the Urals. Approved reserves of the largest ones are about 1.4-1.8 Mt of Cu (at an average content of 0.4-0.6 wt % of Cu).
Anatolii I. Grabezhev, Galina Yu. Shardakova, Yurii L. Ronkin, Oksana B. Azovskova   +3 more
doaj   +2 more sources