Results 21 to 30 of about 351,119 (215)

Geophysical signatures of the gold rich porphyry copper deposits: A case study at the Dalli Cu-Au porphyry deposit

Journal of Economic Geology, 2019
Introduction Geophysical exploration is an inexpensive, fast and efficient tool to provide valuable information about the sub-surface geological complications (Dentith and Mudge, 2014).
Moslem Fatehi, Hooshang Asadi Haroni
doaj   +1 more source

Porphyry-Related Metamorphosed Au-Ag and Cu-Mo Deposits in the Precambrian of the Fennoscandian Shield

, 2021
The Pellapahk Cu-Mo and Oleninskoe Au-Ag deposits in the western segment of the Russian Arctic in the Kolmozero–Voronya greenstone belt are considered two parts of an Archean (2.83–2.82 Ga) porphyry-epithermal system, probably the oldest one defined in ...
Arkadii A. Kalinin, Nikolay M. Kudryashov   +1 more
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Tectonic-magmatic setting for Early Cretaceous low-sulfidation epithermal gold deposits in the Xing–Meng Orogenic Belt: Constraints from zircon U–Pb and Hf isotopic data of wulaga deposit, NE China

Solid Earth Sciences, 2022
The Xing–Meng Orogenic Belt hosts an amount of low-sulfidation epithermal gold deposits. However, the tectonic-magmatic setting remains problematic, which hinders understanding the factors that control the gold endowment in the region.
Yongbin Wang, Xiaochun Liu, Yunkang Guo, Jiaqi Cai, Qing-dong Zeng   +4 more
doaj   +1 more source

Intrusives associated with porphyry copper deposits [PDF]

Bulletin of the Geological Society of Malaysia, 1977
Porphyry copper deposits and their associated intrusives are widespread throughout the world and particularly abundant in the circum-Pacific region, although not all parts contain porphyry copper deposits.
Editor Geological Society of Malaysia
openaire   +2 more sources

Standard models for exploration and development complex copper-porphyry deposits in the Far East of the Russian Federation

RUDN Journal of Engineering Research, 2019
The article deals with the prospects of development of copper-porphyry deposits discovered within the largest ore occurrences and prospecting areas of the Russian Far East.
Alexey S. Desyatkin, Valentina M. Usova, Elena M. Kotelnikova   +2 more
doaj   +1 more source

Zircon SHRIMP U-Pb Dating and Significance From Weathered Residual Kaolin Deposits on the Northern Margin of the Qinzhou-Hangzhou Suture Zone, China

Frontiers in Earth Science, 2022
Weathered residual Kaolin deposits on the northern margin of the Qinzhou-Hangzhou Suture Zone are characterized by more feldspar-containing minerals and fewer dark minerals.
Chunhai Li, Chunhai Li, Chunhai Li, Qifa Sun, Zhonglin Sun, Xiaohua Zhou, Wei Zhang, Rong Chen, Tianshan Gao   +8 more
doaj   +1 more source

Determination of oxygen fugacity from ore-bearing magma responsible for Gazu copper mineralization: Cerium data in zircon mineral [PDF]

پترولوژی, 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 ...
Alireza Almasi, amir mahdavi, Jingwen Mao   +2 more
doaj   +1 more source

Relationship of copper-molybdenum and gold minering with magmatism [PDF]

E3S Web of Conferences
In the investigated deposits, a combination of skarn and hydrothermal mineralization has been identified. Specific facies within intrusive complexes align with distinct postmagmatic formations.
Zhonibekov Bobur, Tulyaganova Nargiza, Adilkhanov Karim, Adilov Bakhram, Abdusamatova Dilafruz   +4 more
doaj   +1 more source

Prospectivity mapping for high sulfidation epithermal porphyry deposits using an integrated compositional and topographic remote sensing dataset [PDF]

, 2019
© 2019 Elsevier B.V. The targeting and discovery of epithermal porphyry mineral deposits can be enhanced using a structured quantitative methodology to analyse the distribution of ore deposits and model their spatial association with exploration evidence
Ganas, Athanassios, Ferrier, Graham, Pope, Richard   +2 more
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Two Periods of Porphyry Cu Mineralization and Metallogenic Implications in the Tuwu–Yandong Belt (NW China), Based on Re–Os Systematics of Molybdenite

, 2022
The Tuwu–Yandong belt contains five porphyry Cu deposits (Fuxing, Yandong, Tuwu, Linglong, and Chihu), constituting the largest Cu metallogenic belt in Northwest China.
Weicai An, Chunji Xue, Chao Li, Yun Zhao
core   +1 more source