نتایج جستجو برای: petrography

تعداد نتایج: 1284  

Journal: :Natural resources research 2022

Geological and geophysical models are essential for developing reliable mine designs mineral processing flowsheets. For resource assessment, planning, processing, a deeper understanding of the orebody's features, geology, mineralogy, variability is required. We investigated gold-bearing Black Reef Formation in West Rand Carletonville goldfields South Africa using approaches that components tran...

ابراهیمی نصرآبادی, خسرو, درویشی خاتونی, جواد, قائمی, فرزین, وطن پور, حمیدرضا, پاژخ زاده, لیلا,

KuhSefid Flourite deposit is located about 110 km south east of Mashhad. Geological units of the region related to Kashafroud Formation with Jurassic age. Most of fluorite mineralization can be seen along the faults with direction of north west-south east. Fluorite veins are differente in diameter of 2 to 2.5 m and length of 50 m. Hydrothermal solutions with maximum and minimum temperatures of ...

Journal: :The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists 1985

Journal: :The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists 1986

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