Results 1 to 10 of about 106,819 (219)

Epithermal mineralization of the Bonanza-Sandy vein system, Masara Gold District, Mindanao, Philippines [PDF]

Journal of Asian Earth Sciences: X, 2020
The Masara Gold District in southeastern Mindanao island is an area of prolific hydrothermal copper and gold mineralization. This study documents the mineralization characteristics of the NW-trending Bonanza-Sandy epithermal veins to constrain possible ...
Jillian Aira Gabo-Ratio, Alfred Elmer Buena, Barbie Ross B. Villaplaza, Betchaida D. Payot, Carla B. Dimalanta, Karlo L. Queaño, Eric S. Andal, Graciano P. Yumul, Jr.   +7 more
doaj   +3 more sources

Mineralization and metallogenic model of the Laurani high-sulfidation epithermal deposit in northeastern Bolivian Altiplano [PDF]

Scientific Reports
The Laurani high-sulfidation epithermal deposit, located in the northeastern Altiplano of Bolivia, is a representative gold-polymetallic deposit linked to the late Miocene volcanic rocks that were formed approximately at about 7.5 Ma.
Fei Liu, Runsheng Han, Shuming Wen, Dong Zhao, Wenyao Li, Li Lei, Chaojian Qin, Yuxinyue Guo   +7 more
doaj   +2 more sources

Cretaceous epithermal gold–silver mineralization and geodynamic environment, Korea

Ore Geology Reviews, 2005
Abstract Epithermal precious-metal mineralization in the Korean Peninsula mainly occurred along NNE-trending major strike-slip fault systems that are associated commonly with formation of pull-apart basins and major volcanic activity during the Cretaceous.
Maeng-Eon Park, Seon-Gyu Choi
exaly   +2 more sources

Fluid inclusion, zircon U-Pb geochronology, and O-S isotopic constraints on the origin and evolution of ore-forming fluids of the tashvir and varmazyar epithermal base metal deposits, NW Iran

Frontiers in Earth Science, 2022
Tashvir and Varmazyar deposits are part of the epithermal ore system in the Tarom–Hashtjin Metallogenic Belt (THMB), NW Iran. In both deposits, epithermal veins are hosted by Eocene volcanic-volcaniclastic rocks of the Karaj Formation and are spatially ...
Hossein Kouhestani, Mir Ali Asghar Mokhtari, Zhaoshan Chang, Zhaoshan Chang, Kezhang Qin, Kezhang Qin, Soheila Aghajani Marsa   +6 more
doaj   +1 more source

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

Вісник 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

The Cu-Ag-Pb Polymetallic Mineralization of Agdim-Ait Elfersi Sector, North-Eastern Part of the Saghro Massif, Morocco: Geological Setting, Ore Petrography and Geochemistry

Iraqi Geological Journal, 2022
The Cu-Ag-Pb polymetallic mineralization of the Agdim-Ait Elfersi sector is situated in the eastern Anti Atlas Moroccan belt, the northeastern part of the Saghro inlier.
Lahcen Ousaid, Youssef Hahou, Hassan Admou , El Moustafa Mouguina, Khadija Diani, Rachid Ziadi, Zineb Aafir, Said Courba , Aziza Lamchaimech   +8 more
doaj   +1 more source

Low sulfidation epithermal gold mineralization at Tambang Sawah, Lebong, Bengkulu Province, Indonesia [PDF]

E3S Web of Conferences, 2023
The Tambang Sawah area, Lebong, Bengkulu Province, is geologically located in the Barisan mountain range and the Sumatran fault zone and is composed of igneous rocks of the Sunda – Banda magmatic arc. This study is aimed to elucidate geological framework
Al Hakim Muhammad Muhsin, Idrus Arifudin, Suryanto Wiwit   +2 more
doaj   +1 more source

STRUCTURAL, GEOPHYSICAL AND GEOCHEMICAL CRITERIA FOR EPITHERMAL HIGH-SULFIDATION GOLD MINERALIZATION ON THE EXAMPLE OF SVETLOE ORE FIELD (KHABAROVSKIY KRAY)

Известия Томского политехнического университета: Инжиниринг георесурсов, 2022
The relevance of the research. Poor knowledge and economic attractiveness make the problem of forecasting and prospecting for epithermal high-sulfidation gold-silver deposits within the volcanogenic belts of the Russian Federation topical.
Dmitry V. Lesnyak, Yury S. Ananyev, Roman Yu. Gavrilov   +2 more
doaj   +1 more source

Direct observation and measurement of Au and Ag in epithermal mineralizing fluids [PDF]

Ore Geology Reviews, 2019
Abstract Colloidal gold particles have been observed in c. 300 °C low salinity fluids from the Arapucandere intermediate sulphidation epithermal base-metal-Au deposit in NW Turkey. This is the first time colloidal gold has been recorded in an ancient mineralizing fluid.
Banks, DA, Bozkaya, G, Bozkaya, O
openaire   +3 more sources

Identifying and Comparing the Exploration Criteria at Sari Gunay Gold, Dalli Copper-Gold and Zarshuran Gold Deposits in Zagros Orogen

Journal of Economic Geology, 2023
There are important deposits such as Sari Gunay epithermal gold, Dalli porphyry copper-gold, and Zarshuran Carlin deposits with a few common exploration features in the Zagros metallogenic province of Iran. This study used geological maps, remote sensing,
Pouya Asadi Haroni, Omid Asghari, Mirsaleh Mirmohammadi , Hooshang Asadi Haroni   +3 more
doaj   +1 more source