Results 51 to 60 of about 7,307 (154)

Geochemical Characteristics of Metamorphic Rock-Hosted Gold Deposit At Onzon-Kanbani Area, Central Myanmar

open access: yesJGEET: Journal of Geoscience, Engineering, Environment and Technology, 2017
Gold and associated base metal mineralization of Onzon-Kabani area located in the western border of generally N-S trending Mogoke Metamorphic Belt where well-known Sagaing fault is served as a western boundary of this area.
Aung Tay Zar   +3 more
doaj   +1 more source

Origins and significance of alteration textures in hydrovolcanic products from active volcanoes

open access: yesEarth, Planets and Space
While mineralization processes in hydrothermal systems have been studied intensively from the viewpoint of economic geology, the composition, and textures of hydrothermally altered materials in hydrovolcanic ash have not been fully analyzed in active ...
Yusuke Minami, Nobuo Geshi
doaj   +1 more source

Alteration of volcanic rocks and changes in physical-mechanical properties on the South-Kambalny thermal field (South Kamchatka) [PDF]

open access: yesE3S Web of Conferences, 2019
The aim of this research project was to consider hydrothermal alteration of volcanic rocks and accompanying changes in their physical and mechanical properties on the thermal field of South Kamchatka.
Frolova Julia   +4 more
doaj   +1 more source

Structural control of the graben fault on hydrothermal alteration in the Cerro Pabellón geothermal system (Andean Cordillera, Northern Chile)

open access: yesGeothermal Energy, 2023
This study focuses on hydrothermal alteration in the geothermal reservoir of Cerro Pabellón (Andean Cordillera, Northern Chile). It is based on CP2A and CP5A production wells drilled above a local normal fault and presenting unlike hydraulic properties ...
J. Vidal   +6 more
doaj   +1 more source

Application of Machine Learning Methods for Hydrothermal Alteration Zoning using Remote Sensing Data: a Case Study of the Koldar Massif [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Hydrothermal alteration zones are among the key indicators in the exploration of porphyry copper deposits. In this study, a remote sensing-based approach was implemented to map hydrothermal alteration zones using ASTER satellite data and built-in ...
B. Adebiyet   +5 more
doaj   +1 more source

Mineralogical and geochemical effects due to hydrothermal alteration in the Los Azufres geothermal field, Mexico

open access: yesRevista Mexicana de Ciencias Geológicas, 2018
To investigate the effects of hydrothermal alteration on the chemistry of volcanic rocks, we analyzed the whole rock chemical composition (major and trace elements, including rare-earth elements – REE) of two distinct portions of a drill well core sample
Ignacio S. Torres-Alvarado   +3 more
doaj  

Classification of Hydrothermal Alteration Types from Thin-Section Images Using Deep Convolutional Neural Networks

open access: yesApplied Sciences
Hydrothermal alteration processes, including silicification, sericitization, carbonatization, chloritization, and epidotization, serve as critical indicators in the exploration of precious metal deposits.
Rıza Çenet, Emre Ünsal, Oktay Canbaz
doaj   +1 more source

Short-Wavelength Infrared Characteristics and Indications of Exploration of the Jiawula Silver–Lead–Zinc Deposit in Inner Mongolia

open access: yesApplied Sciences
For the Jiawula lead–zinc deposit, as easily accessible resources become depleted, mines are becoming deeper to replenish ore reserves. Identifying large, continuous, and high-grade ore bodies in deep areas has become a daunting problem.
Lei Wang   +5 more
doaj   +1 more source

Fluid evolution and hydrothermal alteration in the AN-34 and QT-02 IOCG prospects: clues for IOCG metallogenesis in the northern sector of the Carajás Mineral Province, Amazonian Craton [PDF]

open access: yesBrazilian Journal of Geology
The AN-34 and QT-02 iron oxide–copper–gold (IOCG) prospects are located in the northern portion of Carajás Mineral Province (CMP), where important copper IOCG deposits occur.
Gustavo Henrique Coelho de Melo   +7 more
doaj   +1 more source

Mineralization and hydrothermal alteration of the Tajroud vein system, south of Neyshabour

open access: yesJournal of Economic Geology, 2013
The Tajroud vein system is located 190 km southwest of Mashhad, and in the southern part of the Sabzevar zone. The vein host rocks consist of Eocene intermediate to silicic volcanic rocks.
Mohsen Alikhani Banghani   +2 more
doaj  

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