نتایج جستجو برای: porphyry

تعداد نتایج: 1000  

Journal: :Applied sciences 2022

Numerical analysis of geophysical data to uncover Precambrian belts and probably enclose mineral deposits is becoming once more communal in mining activity. The method founded on typifying zones branded comprehend looking for analogous areas. proposed work outlines a semi-automatic image processing system the structural investigation Bou Azzer inlier, which varies from preceding approaches as i...

Journal: :زمین شناسی اقتصادی 0
سلیمه سادات کمیلی محمود خلیلی هوشنگ اسدی هارونی هاشم باقری فریماه آیتی

introduction the kahang cu- mo deposit is situated approximately 73 km northeast of isfahan. asadi (2007) identified a geological reserve of 40 mt (proven reserve) grading at 0.53 cu, 0.02 mo and estimated reserve of 120 mt. all the rock types in the region have been subjected to hydrothermal solutions which gave rise to three different alteration facies. the dacite and rhyodacite volcanic rock...

Journal: :زمین شناسی اقتصادی 0
بتول تقی پور محمد علی مکی زاده

the study area is a part of cenozoic magmatic belt of central iran, which is located in the west of yazd porovince. contact metamorphism and skarn occurred in conglomerate part of sngestan formation. the oligocene intrusion bodies of ali-abad-darreh zereshk are leucocerate and have the chemical composition of granite to granodiorite with calc-alkaline affinity from volcanic arc geological setti...

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