Zobrazeno 1 - 10
of 869
pro vyhledávání: '"rock geochemistry"'
Publikováno v:
Geologos, Vol 30, Iss 1, Pp 1-16 (2024)
In the northern part of the Marrakech High Atlas (MHA), along the southern Variscan segment of the Western Meseta, a Variscan granitic intrusion crops out, intruding metasediments and meta-volcanosedimentary rocks of Early Cambrian to Ordovician age.
Externí odkaz:
https://doaj.org/article/3e08c99acf5748379fd9f3c8e1357542
Publikováno v:
Natural Gas Industry B, Vol 11, Iss 2, Pp 227-238 (2024)
Geothermal energy is a clean, abundant, and dependable energy source. Because the formation of a geothermal field is often closely linked to the distribution and development of granite, it is crucial to understand the regularity and formation mechani
Externí odkaz:
https://doaj.org/article/98084493cdf14842a98cefd355c4931e
Publikováno v:
International Journal of Mining Science and Technology, Vol 33, Iss 12, Pp 1437-1449 (2023)
The lag in quantitative methods and detection techniques for geologic information has resulted in time-consuming and human-experienced geologic analysis in tunnels. Geochemical indicators of rocks can be used to identify adverse geology and to explai
Externí odkaz:
https://doaj.org/article/ebae2f6efd85489dbf2b7cf660c7f921
Publikováno v:
پترولوژی, Vol 14, Iss 2, Pp 117-142 (2023)
Felsic igneous rocks record crustal evolutions and provide an important tool for determining the composition and modification of the crust (Zhang et al., 2018). Up to now, several classifications have been proposed for granites and rhyolites. Alphabe
Externí odkaz:
https://doaj.org/article/8e695fcb6d3a4bca9ce5962117ebb036
Autor:
Hamdy H. Abd El-Naby, Yehia H. Dawood
Publikováno v:
Applied Sciences, Vol 14, Iss 7, p 2814 (2024)
The Neoproterozoic period in the Jabal Sayid and Dayheen areas is characterized by three distinct magmatic phases: an early magmatic phase of granodiorite–diorite association, a transitional magmatic phase of monzogranites, and a highly evolved mag
Externí odkaz:
https://doaj.org/article/7e517b27648547bc8326d56ca298a39e
Autor:
Namık Aysal, Gönenç Göçmengil, Fatma Şişman Tükel, Fulya Uzun, Marcel Guıllong, İsak Yılmaz, Nurullah Hanilçi
Publikováno v:
Bulletin of the Mineral Research and Exploration, Vol 168, Iss 168, Pp 157-165 (2022)
ICP-OES and LA-ICP-MS instruments routinely used to assess the geochemical properties of the various natural and synthetic materials. In this contribution, the analytical routines and method development procedures of the ICP-OES and LA-ICP-MS facilit
Externí odkaz:
https://doaj.org/article/b6c6b66fa3554fbb89cde148a987b27a
Autor:
Hamdy H. Abd El-Naby, Yehia H. Dawood
Publikováno v:
Applied Sciences, Vol 14, Iss 2, p 735 (2024)
The Jabal Al Bayda, located in the Hijaz terrain of northwest Saudi Arabia, comprises magmatic rocks that represent the ending phase in the Precambrian development of the Arabian Shield. Two granitic suites have been studied petrologically and geoche
Externí odkaz:
https://doaj.org/article/0af262bd2ecb49bb9bcb21c15a326dfc
Autor:
Jiangang Fu, Guangming Li, Genhou Wang, Weikang Guo, Suiliang Dong, Yingxu Li, Hai Zhang, Wei Liang, Yanjie Jiao
Publikováno v:
Minerals, Vol 13, Iss 11, p 1456 (2023)
Leucogranites in the Lalong Dome are composed of two-mica granite, muscovite granite, albite granite, and pegmatite from core to rim. Albite granite-type Be–Nb–Ta rare metal ore bodies are hosted by albite granite and pegmatite. Based on field an
Externí odkaz:
https://doaj.org/article/5759d9565b78445a8b53bc9d1b049ceb
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