نتایج جستجو برای: deposit

تعداد نتایج: 17432  

Journal: Geopersia 2019

Gardaneshir Pb–Zn deposit is hosted by dolomitic carbonates which is located in the SW Ardestan, central Iran. Ore body is stratabound type in this deposit. Primary ores in this type are composed of sphalerite, galena, barite and quartz with massive, banded, veined and disseminated structures. Evaluation of ore-grade at the Gardaneshir Pb-Zn deposit, based on chemical analysis which indicates a...

اعلمی نیا, زهرا, عسکری, علی, فتاحی, شیرین,

The Bozjani copper deposit is located about 30 km west of Fariman city, Khorasan Razavi Province. Host rocks to mineralization are mostly pridotites and basalts of Fariman ophiolitic sequence. Ore body consists of two parts: lower and upper. Lower part has formed a stringer of primary sulfides as stockwork, veinlets, and disseminated. Uppermost part has lenticular shaped dominated by ribbon-lik...

Geo-statistical methods for reserve estimation are difficult to use when stationary conditions are not satisfied. Artificial Neural Networks (ANNs) provide an alternative to geo-statistical techniques while considerably reducing the processing time required for development and application. In this paper the ANNs was applied to the Choghart iron ore deposit in Yazd province of Iran. Initially, a...

زرین‌کوب, محمدحسین, ابراهیمی, خسرو , شجاع یامی, غلامرضا ,

The Esfezar bentonite deposit is located 50 km east of Birjand, in south Khorasan Province and as a part of eastern boundary of lut Block.  This deposit is a diagenetic bentonite type, because of its layering, existence of gypsum between bentonite layers, and expanded shape. Petrography and chemical analysis of host rocks in Esfezar bentonite deposit indicate that they are mainly of dacite and ...

علی آبادی, محمدعلی, پورکاسب, هوشنگ, زراسوندی, علیرضا , طاهری, صادق ,

The Robat-Paein barite deposit is located about 30 Km northwest of Khomein city, in the Sanandajـ Sirjan zone. The Lower Cretaceous carbonate sequences are the host rock of barite mineralization in the Robat-Paein­ deposit.­­ These carbonate sequences consist mainly of massive bedded orbitolina-bearing limestone (undergone dolomitization in some areas) as well as marl, shale and thinly bedded l...

Journal: :زمین شناسی اقتصادی 0
محمد معانی جو عباس نصیری فرهاد آلیانی محمد مستقیمی میثم قلی پور عباس مقصودی

introduction the shahrestanak mn deposit is located in southern qom province, 12 km southwest of the city of kahak. based on geological-structural divisions of iran, the deposit belongs to central volcanic belt or urumieh-dokhtar zone. the venarch deposit is one the most important known manganese deposits in iran. the sharestanak and venarch deposits are spatially and temporally related to each...

2011
Hamid Rashid

With bank-level data from 81 developing countries, the paper shows that increased foreign bank presence is associated with increased reliance on non-deposit based funding, which leads to higher interest rate spreads, less credit to the private sector, and higher volatility in bank loans. Foreign bank entry significantly reduces domestic banks’ share of deposits while foreign banks typically all...

2012
Charles H. Fletcher

We analyzed patterns of sand deposit distribution on the reef platform, and documented relationships between sand deposits and reef morphology. Sand deposit patterns, the surrounding morphology, and the environments they are located in are best understood using a combination of statisitics, GIS software, spatial analysis tools, and analyst interpretation. The work consisted of several steps inc...

The aim of this study is to theoretically investigate the role of the bank deposit market structure in how effective micro and macro prudential policies in determining the regulatory capital of banks in combination with monetary policy. To achieve this, a partial equilibrium analytical framework has been developed that includes rational economic entities and the possibility of contagion risk in...

Journal: :Annals OR 1993
Anlong Li

This paper analyzes the investment decisions of insured banks under fixed-rate deposit insurance. The model takes into account the charter value and allows banks to dynamically revise their asset portfolios. Trade-offs exist between preserving the charter and exploiting deposit insurance. The optimal bank portfolio problem is solved analytically for a constant charter value. In any audit period...

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