Results 1 to 10 of about 1,616 (199)

Study of the degradation and microstructural characteristics of granite porphyry with freeze–thaw cycles [PDF]

open access: yesScientific Reports
In this research, the microstructural damage and the degradation law are investigated for the rock mass in open-pit mine slopes with freeze–thaw cycles.
Yibin Zhang, Yihai Zhang, Xutong Jiang
doaj   +2 more sources

Geology, mineralization, sulfur isotope and fluid inclusion studies in alteration zones in Cu-Au-Mo south of Zahedan porphyry prospect (SE Iran) [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering, 2023
The study area is located 12 km south of Zahedan city in Sistan-Baluchestan province. This area includes the northern part of Sistan and Baluchestan province, which has a similar geological history as the Chagai belt beyond the Iranian border in Pakistan.
Hamid Rahmani, Mansour Ghorbani
doaj   +1 more source

A Comparative Study of Ibn al-Muqaffaʿ and Porphyry’s Isagoge [PDF]

open access: yesحکمت معاصر, 2020
One of the important voids in Iranian, even World, logical Studies is absence of a comprehensive History of Islamic Logic. The works has been done in the East and West hitherto are steps for peregrinating a long road which should be continued many years.
mehdi azimi
doaj   +1 more source

Mineralogy of hydrothermal breccia cement of Humpa Leu East porphyry copper-gold prospect, Sumbawa Island, Indonesia [PDF]

open access: yesE3S Web of Conferences, 2021
Indonesia is a country that has several world-class copper-gold deposits, particularly in eastern Sunda arc. The Hu’u complex has several prospects in the surface as lithocap of extensive epithermal style alteration, but some were detected associated ...
Verdiansyah Okki   +4 more
doaj   +1 more source

New insights on the geochemical affinity and age of mineralized rocks in Timok magmatic complex, East Serbia [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2023
Bor and Čukaru Peki are world-class porphyry deposits spatially and genetically associated with the Cretaceous Timok magmatic complex. This research was conducted to determine the age and geochemical affinity of the magmatic rocks that formed these ore ...
Velojić Miloš   +6 more
doaj   +1 more source

Platinum-group elements (PGE) in the New Afton alkalic Cu-Au porphyry deposit, Canadian Cordillera, I: relationships between PGE, accessory metals and sulfur isotopes in pyrite

open access: yesFrontiers in Earth Science, 2023
The second part of this article can be found here: 10.3389/feart.2023.819109 (DOI). At the late Triassic New Afton alkalic porphyry Cu-Au deposit (British Columbia, Canada), pyrite is a widely distributed minor sulfide phase within hypogene ore where it ...
Brandon M. Boucher   +4 more
doaj   +1 more source

Predictive Prospecting Using Remote Sensing in a Mountainous Terrestrial Volcanic Area, in Western Bangongco–Nujiang Mineralization Belt, Tibet

open access: yesRemote Sensing, 2023
The Bangongco–Nujiang metallogenic belt of Tibet is a main suture zone in the Qinghai–Tibet Plateau, which is known as an important porphyry–epithermal–skarn Cu-polymetallic mineralization zone in China.
Longyang Bai   +6 more
doaj   +1 more source

Report on laboratory tests of sandstone and porphyry for rock fracture analysis

open access: yesBudownictwo i Architektura, 2020
The paper presents the results of mechanical tests of three types of rocks from stone mines in Poland. Compression tests of cubic samples, three-point bending tests of beams, bending of beams with notch and testing of tensile strength using the quasi ...
Jakub Gontarz, Jacek Szulej
doaj   +1 more source

Geology and geochemistry of the Choran porphyry-epithermal Cu-Au deposit in the Dehej-Sarduveyeh subzone, Urumieh-Dokhtar magmatic arc

open access: yesJournal of Economic Geology, 2022
Introduction Iran hosts numerous porphyry and epithermal ore deposits which have mostly been formed at discrete time periods within different tectonic assemblages.
Alireza Zarasvandi   +4 more
doaj   +1 more source

Necessity in Philosophical Thinking as Exemplified by Porphyry’s Sentences [PDF]

open access: yesStudia Gilsoniana, 2023
The text presented aims to illustrate the thesis of E. Gilson derived from his work “The Unity of Philosophical Experience” on the impersonal necessity linking philosophical ideas, as exemplified by Porphyry and his work Sententiae ad intelligibilia ...
Monika Komsta
doaj   +1 more source

Home - About - Disclaimer - Privacy