نتایج جستجو برای: ore deposit geology

تعداد نتایج: 36325  

Abedini, Ali, Calagari, AliAsghar, Salehi Tinooni, mohammad,

The Bolboli2 copper ore deposit is located about 110 km southwest of Kerman and lies in the Dehaj-Sarduieh metallogenic belt (Kerman Cenozoic Mamatic Arc, KCMA). This ore deposit is hosted by the Eocene extrusive igneous rocks (tuff, agglomerate, andesite, and dacite) and the Oligo-Miocene intrusive igneous body (granodiorite). These rocks are host the propylitic, phyllic, and silicic alteratio...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده علوم 1387

چکیده ندارد.

Journal: :زمین شناسی اقتصادی 0
طوبی صالحی مجید قادری نعمت اله رشیدنژاد عمران

gomish-tappeh zn-pb-cu (ag) deposit is located 90 km southwest of zanjan, in northwestern part of urumieh-dokhtar volcano-plutonic zone. exposed rocks at the area include oligo-miocene volcano-sedimentary and sedimentary sequences as well as pliocene volcano-plutonic sequence (andesite porphyry dykes, dacitic subvolcanic dome and rhyodacitic volcanics). alteration in the deposit developed as si...

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده علوم طبیعی 1386

چکیده ندارد.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده علوم زمین 1385

چکیده ندارد.

انجام, محمد خسرو, شهاب پور, جمشید,

The Jalal Abad iron ore deposit is one of the seven most important iron ore deposilS in the central Iran. with a probable are reserve of 200.4 million tons of iron ore in which the average grades are estimated as 44.28% Fe, 0.83% Sand 0.07%P. In the Jalal Abad deposit two types of orebodies are identified: the orebodies which are concordant with respect to the sedimentarY most rocks (Jala...

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