Trace Element Geochemistry of Iowa Coal
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منابع مشابه
Geochemistry and origin of elements of Upper Triassic Olang coal deposits in northeastern Iran
The Olang area is a part of Gheshlagh-Olang synclinal, which is a member of eastern Alborz coal basin and is situated at a distance of70 km northeast of Shahroud city. Coal-bearing strata of this region are part of the Shemshak group (Upper Triassic to Lower Jurassic).Samples from the 9 coal seams of the Olang coal deposits were collected and ashed. The aim of this study is to determine theoccu...
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Silicic, mafic and alkali intra-seam tonsteins have been known from SW China for a number of years. This paper reports on the geochemical compositions of coals and tonsteins from three seam sections of the Songzao Coalfield, SW China, and evaluates the geological factors responsible for the chemical characteristics of the coal seams, with emphasis on the influence from different types of volcan...
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The samples from Xishanyao Formation in Gashunwusan Mine were analysed by inductively coupled plasma massspectrometry (ICP-MS), X-Ray fluorimetry (XRF) and other techniques. Through the use of the above techniques, we researched characteristics and modes of occurrence of the trace elements. According to content and ratios of trace elements, we discussed coalforming environments of the research ...
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The Karmozd coal mine in Mazandaran Province (Iran) is one of the largest and oldest active coal mines in Central Alborze Coal Basin. A complete geochemistry and mineralogy characterization of Karnozd coal has been conducted in summer, 2005 by sampling of coal, coal tailing and country rock coal Basin.The coal layers (Lias) is embedded in the middle of Karmozd litostratigraphic unit. It is comp...
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تاریخ انتشار 2017