Results 21 to 30 of about 22,282 (212)

Petrology and tectonic settings of the Sarcheshmeh porphyry copper deposit with emphasis on granodiorite and quartz eye porphyry

Journal of Economic Geology, 2020
Introduction The Sarcheshmeh porphyry copper deposit (PCD) and other porphyry deposits occur in the the most important metallogenic belt in Iran, i.e. the Urumieh-Dokhtar magmatic belt (UDMB).
Mohammad Maanijou, Mohammad Mostaghimi, Mehdi Abdollahi Riseh, Ali Asghar Sepahi   +3 more
doaj   +1 more source

THE RAVENSWOOD GRANODIORITE [PDF]

Annals of the New York Academy of Sciences, 1912
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openaire   +2 more sources

CHIME dating of monazite from pelitic hornfels of the Kurihashi Granodiorite, Kitakami Mountains [PDF]

1996-12The Cretaceous Kurihashi Granodiorite in the Kitakami Mountains contains no monazite grain. To date the emplacement time of the Kurihashi Granodiorite by the CHIME method, monazite in a hornfels from the immediate contact of the granodiorite ...
Suzuki, Kazuhiro, Yoshida, Hidekazu, Yogo, Setsuo, Amano, Kenji, 3299, 3298, 3297, 3296   +7 more
core   +2 more sources

Petrographic and petrogenetic studies of adakitic magmatism of Gavdel (Shivar Dagh) in Garehdagh-South Arminian Zone (Northwest of Iran) (Irankuh Pb-Zn deposit, Southwest of Isfahan) [PDF]

پترولوژی, 2017
Gavdel intrusive body, situated in NW Iran and NE of Uromieh-Dokhtar zone, is a part of Garehdagh, South-Arminian Zone (Arasbaran). The major outcrops of intrusive include of granodiorite, monzonite accompanied with granodioritic dyke.
Ahmad Jahangiri, Hossien Bahmodinia
doaj   +1 more source

Design Optimization and Application of Hybrid Bit to Reduce a Well Cost in Geothermal Field

Journal of Earth Energy Engineering, 2020
Hybrid bit is one of the innovations developed for very hard and abrasive formations such as in geothermal field. This bit eliminates the risk of losing cones, reduces tripping time, and increaseas ROP to reduce the well cost.
Muhammad Taufiq Fathaddin, Fakhri Ade Andika, Ratnayu Sitaresmi   +2 more
doaj   +1 more source

Tectonic-magmatic setting for Early Cretaceous low-sulfidation epithermal gold deposits in the Xing–Meng Orogenic Belt: Constraints from zircon U–Pb and Hf isotopic data of wulaga deposit, NE China

Solid Earth Sciences, 2022
The Xing–Meng Orogenic Belt hosts an amount of low-sulfidation epithermal gold deposits. However, the tectonic-magmatic setting remains problematic, which hinders understanding the factors that control the gold endowment in the region.
Yongbin Wang, Xiaochun Liu, Yunkang Guo, Jiaqi Cai, Qing-dong Zeng   +4 more
doaj   +1 more source

Genesis and geodynamic background of the ore-bearing granodiotite porphyry of the Jilongshan copper-gold deposit in Jiurui district, Hubei Province

地质科技通报, 2021
Jilongshan copper-gold deposit is located in the Jiurui metallogenic district in the middle and lower Yangtze River metallogenic belt. Cu-Au mineralization of Jilongshan deposit is closely related to granodiotite porphyry. The petrogenesis of the rock is
Xiaofei Zhan, Junhao Wei
doaj   +1 more source

Statistical analysis on the radiological assessment and geochemical studies of granite rocks in the north of Um Taghir area, Eastern Desert, Egypt

Open Chemistry, 2022
Granite rocks are currently one of the foremost raw materials that can be used for various economic purposes such as ornamentation and building materials, because they do not possess radioactive concentrations and have good physical and mechanical ...
Awad Hamdy A., Abu El-Leil Ibrahim, Nastavkin Aleksey V., Tolba Abdellah, Kamel Mostafa, El-Wardany Refaey M., Rabie Abdalla, Ene Antoaneta, Tekin Huseyin O., Issa Shams A. M., Zakaly Hesham M. H.   +10 more
doaj   +1 more source

Igneous breccia system of the Shand porphyry Cu-Mo deposit, Northern Mongolia

Mongolian Geoscientist, 2022
The Shand Cu-Mo deposit is located in the Orkhon-Selenge depression, Northern Mongolia. It lies near the Erdenetiin Ovoo porphyry Cu-Mo deposit, which together define one of Northern Mongolian’s most economically significant metallogenic belts.
Bayaraa Ganbat, Dashdorjgochoo Odgerel, Dorjyunden Altankhuyag, Dorjgochoo Sanchir, Chikalov Altanzul, Gurdorj Azjargal   +5 more
doaj   +1 more source

Structure of the Castellaccio Pluton (Asinara Island, Italy)

Journal of Maps, 2018
This paper illustrates the geological and structural map (scale 1:10,000) of the Castellaccio Pluton (Asinara island – Italy), a peraluminous granodioritic intrusion of Variscan age that belongs to the Corsica-Sardinia Batholith. This small pluton, about
Stefano Cuccuru, Leonardo Casini, Giacomo Oggiano, Edoardo Nicolò Simula   +3 more
doaj   +1 more source