نتایج جستجو برای: diabase porphyry

تعداد نتایج: 1131  

Journal: :The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists 1975

Journal: :Journal of the Korean earth science society 2008

Journal: :Voprosy teologii 2022

The paper analyzes the approach of St Porphyry Kavsokalivit to ecclesiological issues, in particular his central statement, “The Church is eternal and uncreated”. An attempt determine origins logical justification this concept made. emergence Porphyry’s unusual theological formula relates literal interpretation New Testament metaphor as Body Christ (Eph 1:23, 1 Cor 12). A specific feature disco...

Journal: :Minerals 2023

The magmatic process within upper crust encompasses various contents such as the transition between and hydrothermal systems changes in oxygen fugacity (ƒO2), which ultimately play key roles formation of porphyry Cu deposits (PCDs). However, tracing these processes, especially systems, is not an easy task. This study reported detailed fluid exsolution systematical variation ƒO2 a Tongchang–Chan...

Journal: :زمین شناسی اقتصادی 0
زهرا اعلمی نیا محمد حسن کریم پور محمد رضا حیدریان شهری

the area is located 20 km northwest of kashmar and about 4 km of kalateh taimour in khorasan razavi province. the study area is part of tertiary volcanic-plutonic belt north of daruneh fault and its situation in tectonic inliers between two important active faults, doruneh and taknar. volcanic rocks are mainly intermediate to acid pyroclastic type. they formed during early tertiary. the volcani...

Mazloumi Bajestani, , Malekzadeh Shafaroudi, , Sahebi Khader, ,

Fadiheh copper-gold prospect area in northwest of Torbat-e Heydariyeh in Khorasan Razavi Province is located in the central part of the Khaf-Kashmar-Bardaskan magmatic belt. This area includes outcrops of Eocene volcanic-pyroclastic units with felsicـintermediate nature. The lavas are andesite and latite, and pyroclastic units include rhyodacitic tuff, andesitic lithic tuff and ignimbrite. Intr...

صادقیان, محمود, قاسمی, حبیب الله, گردیده, سارا,

Quchan- Esfarayen magmatic belt (north of Sabzevar) include Neogene adakitic domes with andesite to rhyolite in composition which is cut by Jurasic sedimentary rocks, Eocene volcano-sedimentary rocks, Miocene sedimentary rocks and even occasionally Peliocene conglomerate. The main minerals of these rocks are plagioclase and amphibole with various textures such as felsitic porphyry, microlitic p...

The Dehaj area, located in the southern part of the Urumieh-Dokhtar magmatic belt, is a well-endowed terrain hosting a number of world-class porphyry copper deposits. These deposits are all hosted in an acidic to intermediate volcano-plutonic sequence greatly affected by various types of the hydrothermal alterations, whether argillic, phyllic or propylitic. Although there are a handful of hithe...

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