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Abstract: Extraction of Gold from Petroleum

SOTNIKOV, ALEXANDER, ESKO Co. Ltd.

The caustobiolites are considered as promising sources of extraction of various metals: vanadium, molybdenum, uranium, etc. The idea emphasized in this paper is completing this list with the gold. The author had a chance of studying this problem when making a geological map and searching for gold ores and placers for the Yagodnoe Geological-Survey Department in the Magadan Region, North-East Siberia. On verifying high absorption abilities of petroleum with respect to gold in laboratory conditions, the research was continued at a natural object: the Talin Oil Field (TOF) in West Siberia. Here, the rocks of the oil collector are represented by the alluvial quartz sands and gravelites of the Sherkalin horizon (J1) of the Tyumen set (J1+2). Accumulation material of the horizon deposits is the upper Paleozoic rocks of the Ural-Siberian folded region. In the similar deposits, significant industrial ore bodies and placers of gold are well known. Hence, it was natural to assume the gold presence in the ancient alluvium of the Sherkalin horizon of TOF due to a buried gold placer. The testing has verified these assumptions. In all three samples taken from TOF, the atomic-absorption method has shown the concentrations of gold much higher than 1 g/ton. This is quite comparable with average industrial gold concentrations, which are 5 to 10 g/ton for ore mines, and 0.2 to 1 g/ton for placers.

 

 

AAPG Search and Discovery Article #90911©2000 AAPG Pacific Section and Western Region Society of Petroleum Engineers, Long Beach, California