نتایج جستجو برای: turkeh dareh pluton

تعداد نتایج: 667  

2006
D. E. Lee

A geochemically and mineralogically diverse group neous aspect can form as products of different proof granitoids is present within an area of 900 km2 in the cesses . . . " Within an area of 900 km2 in the southern Snake southern Snake Range of eastern Nevada. The granitoids Range, White Pine County, Nevada, six igneous masses exposed range in age from Jurassic through Cretaceous to are well ex...

Journal: :Gondwana Research 2021

The co-existence of Cretaceous adakitic and A-type granitoids in southern Tibet can offer fundamental constraints on subduction the Neo-Tethyan oceanic plate associated crustal growth processes, if their petrogenetic relationships are understood. Here, we report whole-rock geochemistry, zircon U-Pb geochronology, situ Hf isotopes trace elements from Chanang intrusive suite, including Zeyu Cuoji...

Journal: :Geosciences 2021

We review and refine the geological setting of an area located nearby Tyrrhenian seacoast, in inner zone Northern Apennines (southern Tuscany), where a Neogene monzogranite body (estimated about 3 km long, 1.5 wide, 0.7 thick) emplaced during early Pliocene. This magmatic intrusion, known as Gavorrano pluton, is partially exposed ridge bounded by regional faults delimiting broad structural depr...

2010
Buket Canbaz N. Füsun Çam Günseli Yaprak Osman Candan

The surveys of natural gamma-emitting radionuclides in rocks and soils from the Ezine plutonic area were conducted during 2007. Direct dose measurement using a survey meter was carried out simultaneously. The present study, which is part of the survey, analysed the activity concentrations of U, Th and K in granitoid samples from all over the region by HPGe gamma spectrometry. The activity conce...

2008
ZHANG Jie-lin

Based on hyper spectral data mining techniques, field spectra data is used to study the diagnosable spectral signatures of uranium mineralization factors in this paper, and the spectral features of pluton, ore-controlling fault and hydrothermal alteration including alkali metasomatism, hematitization, chloritization and hydromicazation are acquired and analyzed, the diagnosable spectra identifi...

Journal: :Journal of Petrology 2021

Abstract We present microbeam major- and trace-element data from 14 monzodiorites collected the Malaspina Pluton (Fiordland, New Zealand) with goal of evaluating processes involved in production andesites lower arc crust. focus on relict igneous assemblages consisting plagioclase amphibole lesser amounts clinopyroxene, orthopyroxene, biotite quartz. These are heterogeneously preserved crust wit...

Journal: :Geological Society of America Bulletin 2021

Abstract The Xiong’ershan district in central China hosts broadly coeval porphyry Au (Qiyugou deposit), Mo (Leimengou and barren (Huashan pluton) systems. key controls on the ore potential different mineralization styles these systems are not well understood, with first-order differences fluid chemistry melt sources being main alternatives. inclusion characteristics of all three have been studi...

Journal: Desert 2012
A. Kouhpeima H. Ahmadi H. Ghadimi S. Feiznia S.A. Asghar Hashemi

This contribution determines suitable fingerprinting properties for sediment source discrimination within theAmrovan and Atary catchments in Semnan Province, Iran. These catchments are representative of a range of geology formations and should therefore provide a meaningful basis for a general assessment of the degree of sediment source discrimination afforded by a range of fingerprint properti...

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