نتایج جستجو برای: Gold Source

تعداد نتایج: 499059  

Journal: :int. journal of mining & geo-engineering 2012
b. tokhmechi m. mamarabadi

several methods have been developed for gold exploration in the past, among which biological base method is known to be the most efficient with least expenses. this method can also be used for latent gold prospects exploration. in the present study, the possibility of applying bacillus cereus frequency in soil as a biological marker was investigated for the exploration of latent gold prospectin...

Journal: :Nature Photonics 2016

خردمند, علی, عبدالهی, محمد جواد , کریم‌پور, محمد حسن ,

The Muteh gold district is located about 70 km northeast of Golpaygan within Sanandaj-Sirjan metamorphic zone of Zagros Structural Belt. Geological studies show that the area had been under poly - phase metamorphism. Gold mineralization occurs in metamorphic complex which consists mainly of green schists, meta-volcanics, and gneisses. Shear zones are the host of gold mineralization, and intense...

However, the conventional gold recovery process is cyanidation, due to the recent environmental laws; researchers are looking for alternative methods for the recovery of gold. Furthermore, the copper anode slime is one of the most important secondary sources of gold (about 1200 ppm). So, the main objective of the current work is gold separation from copper anode slime as a rich secondary source...

Journal: :journal of advanced materials and processing 0
reza ranjbar department of mining and metallurgical engineering, amirkabir university of technology malek naderi department of mining and metallurgical engineering, amirkabir university of technology arash ghazitabar department of mining and metallurgical engineering, amirkabir university of technology

however, the conventional gold recovery process is cyanidation, due to the recent environmental laws; researchers are looking for alternative methods for the recovery of gold. furthermore, the copper anode slime is one of the most important secondary sources of gold (about 1200 ppm). so, the main objective of the current work is gold separation from copper anode slime as a rich secondary source...

Alireza Sadremomtaz, Peyvand Taherparvar Sepideh Gholami

Introduction: In recent years, the use of neutrons has increased in various fields such as medicine and industry. One of the important applications of neutrons is in medical research. Neutrons have greater linear energy transfer than gamma rays and are considered more dangerous radiation. Hence, the detection and determination of neutron dose is a very important and vital issu...

Journal: :Mining Science and Technology 2020

2010
R. SHAWE ROGER P. ASHLEY

Al Introduction A2 Acknowledgments A2 Gold as a store of wealth the uses of gold A2 How much gold? A2 Factors influencing the price and production of gold A3 The role of gold in world monetary systems A6 Where gold comes from A6 Scope of this series, and conventions used A7 References cited A8 Geochemistry of gold in hydrothermal deposits Abstract A9 Introduction A9 Nature and source of solutio...

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