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<p>Fluorspar -- Hardin County (Ill.)<br />Mineralogy -- Hardin County (Ill.)<br />Paragenesis</p>
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Mineralogy And Paragenesis Of The Cave-In-Rock Fluorspar District, Hardin County, Illinois, Daesuk Han
Mineralogy And Paragenesis Of The Cave-In-Rock Fluorspar District, Hardin County, Illinois, Daesuk Han
Masters Theses
"The paragenesis of minerals occurring in the bedding-replacement fluorspar ores in the Crystal, Minerva No. 1 and Hill mines in the Cave-in-Rock district, Hardin County, Illinois, has been studied by underground, binocular, petrographic and ore microscopic examination. More than 300 hand specimens were collected from the mines, 100 thin sections were prepared and 36 polished surfaces were examined to prepare paragenetic diagrams for the Crystal and Minerva No. 1 mines.
The minerals determined in the fluorspar ores were: fluorite, sphalerite, galena, chalcopyrite, pyrite, marcasite, calcite, strontianite, witherite, barite, quartz, dolomite, oil and bitumen. Most of these minerals are present both …