Results 11 to 20 of about 898,195 (216)

Halogen Chemistry of Hydrothermal Micas: a Possible Geochemical Tool in Vectoring to Ore for Porphyry Copper-Gold Deposit [PDF]

open access: yesJGEET: Journal of Geoscience, Engineering, Environment and Technology, 2018
Porphyry copper-gold deposit commonly exhibits an extensive alteration zone of hydrothermal micas particularly biotite and sericite. This study is aimed to analyze and utilize the chemistry of halogen fluorine and chlorine of biotite and sericite to be a
Arifudin Idrus
doaj   +3 more sources

SOME SULFIDE-SILICATE ASSEMBLAGES FROM THE SAR CHESHMEH PORPHYRY COPPER DEPOSIT, KERMAN, IRAN [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 2000
Studies of three selected sulfide-silicate assemblages from ore samples from the Sar Cheshmeh porphyry copper deposit led to some ore genetic conclusions.
doaj   +1 more source

Geochemical characteristics of the main ore components in the Goshgarchay porphyry-epithermal system (Lesser Caucasus, Azerbaijan)

open access: yesВісник Київського національного університету імені Тараса Шевченка. Серія Геологія, 2023
The article deals with the determining characteristics of ore elements in the Goshgarchay porphyry-epithermal system. The genetic and geochemical characteristics of the main ore components were studied, and close positive and negative relationships ...
Mamoy Mansurov
doaj   +1 more source

Porphyry copper enrichment linked to excess aluminium in plagioclase [PDF]

open access: yes, 2016
Porphyry copper deposits provide around 75%, 50% and 20% of world copper, molybdenum and gold, respectively1. The deposits are mainly centred on calc-alkaline porphyry magmatic systems2, 3 in subduction zone settings1.
RJ Herrington (16105466)   +2 more
core   +4 more sources

A Study on Alteration Mineral Assemblages and Mineralization Characteristics of a Wunugetushan Porphyry Copper-Molybdenum Deposit in Inner Mongolia, China, Based on Infrared Spectroscopy

open access: yesYankuang ceshi, 2021
BACKGROUND In recent years, infrared spectroscopy and thermal infrared spectroscopy have played an important role in mineralogy research, geological exploration and prospecting. OBJECTIVES To investigate alteration minerals and mineralization features of
LIU Xin-xing   +6 more
doaj   +1 more source

Geology and mineralization of the Pulang supergiant porphyry copper deposit (5.11 Mt) in Shangri-la, Yunnan Province, China: A review

open access: yesChina Geology, 2022
The porphyry copper belt in the Geza island arc in southwestern China is the only Indosinian porphyry copper metallogenic belt that has been discovered and evaluated so far.
Wen-chang Li   +4 more
doaj   +1 more source

Geology and mineralization of the Duobaoshan supergiant porphyry Cu-Au-Mo-Ag deposit (2.36 Mt) in Heilongjiang Province, China: A review

open access: yesChina Geology, 2023
The reserves of the Duobaoshan porphyry Cu-Au-Mo-Ag deposit (also referred to as the Duobaoshan porphyry Cu deposit) ranks first among the copper deposits in China and 33rd among the porphyry copper deposits in the world.
Sen Zhang   +12 more
doaj   +1 more source

Physicochemical Attributes of Parental Magma in Collisional Porphyry Copper Systems; Using Biotite Chemistry, Case Study: Chahfiruzeh Porphyry Copper Deposit

open access: yesJournal of Economic Geology, 2019
Introduction Almost all of the well-known porphyry copper deposits in Iran occur within the Kerman Cenozoic magmatic arc (KCMA) (Fig 1) in the southeastern part of Cenozoic Urumieh–Dokhtar magmatic belt (Hassanpour et al., 2015). The Miocene Chahfiruzeh
Majid Heidari   +4 more
doaj   +1 more source

First finding of platinum group minerals at the Malmyzh porphyry gold–copper deposit, Khabarovsk Krai, Russia

open access: yes, 2021
—This paper focuses on new data for palladium-bearing mineral phases in the ores of the Malmyzh porphyry gold–copper deposit situated approximately 220 km northeast of Khabarovsk in the Russian Far Eas.
Chubarov, V. M.   +7 more
core   +1 more source

Risk quantification with combined use of lithological and grade simulations: Application to a porphyry copper deposit [PDF]

open access: yes, 2016
The uncertainty in the recoverable tonnages and grades in a mineral deposit is a key factor in the decision-making process of a mining project. Currently, the most prevalent approach to model the uncertainty in the spatial distribution of mineral grades ...
Sabeti, Elham Hosseinzadeh   +3 more
core   +1 more source

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