Zobrazeno 1 - 10
of 142
pro vyhledávání: '"alteration zone"'
Publikováno v:
Applied Sciences, Vol 14, Iss 21, p 9653 (2024)
Porphyry and the associated skarn-type deposit is one of the most important types of ore deposits worldwide, which usually exhibit significant zoning of mineralization-alteration, but the research on element migration in these mineralization-alterati
Externí odkaz:
https://doaj.org/article/23f1e156579c438aad7e4e5f009600a4
Autor:
Hana Raihana, Jesika Erni Elfrita Sinaga, Adinda Gusti Cahyani, Halauddin Halauddin, Suhendra Suhendra, Anggiat Hutauruk, Nanang Sugianto
Publikováno v:
Jambura Geoscience Review, Vol 5, Iss 2, Pp 119-126 (2023)
Air Putih, Lebong Regency's geothermal field, is near gold mining. The relationship between the two can be illustrated in the type of rock alteration. The study aims to identify the rock alteration zone caused by the Air Putih, Lebong Regency geother
Externí odkaz:
https://doaj.org/article/a6f76b7ffcc0426a9d39a7a6b6594cc5
Autor:
Büşra Bihter Demirci, Esra Burcu Köse, Recep Güney, Zeynep Rezzan Özerk, Salih Erden, Erdener Izladı, Esra Ak, Tuğce Can, Sermet Gündüz, Sami Aytaç Özdemir, Erdi Apatay, Erdoğan Eryılmaz, Batuğhan Yıkmaz, İmam Çelik, Abdullah Gürer, Sinem Aykaç
Publikováno v:
Bulletin of the Mineral Research and Exploration, Vol 170, Iss 170, Pp 175-192 (2023)
It is aimed to reveal the basement topography, the coal-bearing levels, the alteration zones containing uranium ore, and the tectonic structure prevailing by using two dimensional (2D) seismic reflection method in the Thrace Paleogene-Neogene Basin.
Externí odkaz:
https://doaj.org/article/baa8195821124a78825146e6b4605e99
Publikováno v:
Applied Sciences, Vol 14, Iss 9, p 3658 (2024)
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. Moreover,
Externí odkaz:
https://doaj.org/article/18427cbd06b24e2ab3e0774dc355b03a
Publikováno v:
Remote Sensing, Vol 16, Iss 2, p 392 (2024)
In typical alteration extraction methods, e.g., band math and principal component analysis (PCA), the bands or band combinations unitized to extract altered minerals are usually selected based on empirical models or previous rules. This results in si
Externí odkaz:
https://doaj.org/article/0903efd34a504b6a83bc3d0f45ef6d15
Akademický článek
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Akademický článek
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Publikováno v:
Geosciences, Vol 13, Iss 9, p 283 (2023)
Since Antiquity, sustainable resources of gold and copper have been mined at two prominent prospects in the north Eastern Desert of Egypt, namely the south Gabel Um Monqul (SGUM) and Gabal Al Kharaza (GKZ). Mineralization is hosted by Neoproterozoic
Externí odkaz:
https://doaj.org/article/8a7f675883564f548017c0f1d47e03df
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
Gold is strongly enriched (up to 12 ppb) in the Hongqigou tectonic zone, which represents a potential metal source for the Wulonggou goldfield. In this study, a suite of 20 elements (Au, Ag, As, B, Ba, Bi, Cd, Co, Cu, Hg, Mn, Mo, Ni, Pb, Sb, Sn, Ti,
Externí odkaz:
https://doaj.org/article/568f56e0c1bb4dcab8f0c10ad3c57ebd
Publikováno v:
Journal of Taibah University for Science, Vol 14, Iss 1, Pp 1421-1432 (2020)
The integration of remotely sensed data allowed the successful characterization of the hydrothermal alteration zones of the Abu–Gaharish area in the Central Eastern Desert of Egypt using image transformation techniques. The integration of several e
Externí odkaz:
https://doaj.org/article/e7b7df89f15248999319ca4212a86c0e