Results 11 to 20 of about 53,501 (300)

Lithological and Hydrothermal Alteration Mapping of Epithermal, Porphyry and Tourmaline Breccia Districts in the Argentine Andes Using ASTER Imagery

Remote Sensing, 2018
The area of interest is located on the eastern flank of the Andean Cordillera, San Juan province, Argentina. The 3600 km2 area is characterized by Siluro-Devonian to Neogene sedimentary and igneous rocks and unconsolidated Quaternary sediments ...
Francisco J. Testa, Cecilia Villanueva, David R. Cooke, Lejun Zhang   +3 more
doaj   +3 more sources

Quantifying Hydrothermal Alteration: A Review of Methods

Geosciences, 2018
Hydrothermal alteration is proximal to many base and precious metal deposits, and its products can provide insights into the characteristics of hydrothermal systems.
Lucie Mathieu
doaj   +3 more sources

K isotopes as a tracer of seafloor hydrothermal alteration. [PDF]

Proc Natl Acad Sci U S A, 2017
Parendo CA, Jacobsen SB, Wang K.
europepmc   +2 more sources

Aqueous alteration mapping in Rishabdev ultramafic complex using imaging spectroscopy

International Journal of Applied Earth Observations and Geoinformation, 2020
Hyperspectral remote sensing/imaging spectroscopy has enabled precise identification and mapping of hydrothermal alteration mineral assemblages based on diagnostic absorption features of minerals.
Hrishikesh Kumar, A.S. Rajawat
doaj   +1 more source

Towards better delineation of hydrothermal alterations via multi-sensor remote sensing and airborne geophysical data

Scientific Reports, 2023
Integrating various tools in targeting mineral deposits increases the chance of adequate detection and characterization of mineralization zones. Selecting a convenient dataset is a key for a precise geological and hydrothermal alteration mapping.
Ali Shebl, Mahmoud Abdellatif, Mohamed Badawi, Maher Dawoud, Amr S. Fahil, Árpád Csámer   +5 more
doaj   +1 more source

Mapping hydrothermal alteration mineral deposits from Landsat 8 satellite data in Pala, Mayo Kebbi Region, Southwestern Chad

Scientific African, 2021
The different image attribute extracting techniques, spectral enhancement ability, pixel classification methods have been applied on the Landsat 8 OLI satellite image data to map geological features and spatial distribution of hydrothermal alteration ...
Olawale Olakunle Osinowo, Ahmed Gomy, Moussa Isseini   +2 more
doaj   +1 more source

Alteration Characteristics and Precious Metal Availability in Gunung Gembes & Surroundings, Jeruk Village, Pacitan Regency, East Java Province

Journal of Applied Geospatial Information, 2022
The research area is located in the area of Mount Gembes, Jeruk Village in Pacitan (East Java). This study aims to determine the characteristic and temperature in the formation of alteration which refers to petrography with the help of samples taken in ...
Radhitya Adzan Hidayah, I Gusti Ngurah Adi Prasetiya, Nurul Adzan Dzakiya   +2 more
doaj   +1 more source

Application of Hydrothermal Altered Reservoir Identification Method in Metamorphic Rock Buried Hill of Bozhong sag, Bohai Bay Basin, China

Frontiers in Earth Science, 2022
Hydrothermal fluid is one of the factors controlling Archean buried hill reservoirs in Bozhong 19-6. However, there are no clear studies focusing on the influence of hydrothermal alteration products and their lithological characteristics on reservoirs ...
Boyuan Zhu, Boyuan Zhu, Renfang Pan, Renfang Pan, Chaomo Zhang, Chaomo Zhang, Zhansong Zhang, Zhansong Zhang, Wenrui Shi, Wenrui Shi   +9 more
doaj   +1 more source

Geology and mineralogy of advanced argillic alteration in the Keshe area (Mt. Karkas), Central Iran [PDF]

, 2008
The Keshe area is a part of Cenozoic magmatic belt of Central Iran. Some volcanics in this area underwent hydrothermal alteration including kaolinitization and alunitization.
Kasson, Arthur, Mackizadeh, Mohammad Ali, Pourmoghani, Mehdi, Taghipour, Batoul, Taghipour, Sedighe   +4 more
core   +1 more source

Spectral, mineralogical, and geochemical variations across Home Plate, Gusev Crater, Mars indicate high and low temperature alteration [PDF]

, 2009
Over the last ~ 3 years in Gusev Crater, Mars, the Spirit rover observed coherent variations in color, mineralogy, and geochemistry across Home Plate, an ~ 80 m-diameter outcrop of basaltic tephra.
Arvidson, R. E., de Souza, P. A., Jr., Des Marais, D. J., Farrand, W. H., Hurowitz, J. A., Johnson, J. R., Lewis, K. W., McCoy, T. J., Ming, D. W., Ruff, S. W., Schmidt, M. E., Schröder, C., Squyres, S. W.   +12 more
core   +1 more source