Abstract
West Coast of Sumatra island has a large amount of iron sand. Research in the Pariaman area and Agam Regency has been carried out, but for the Pasaman area it is not yet available. This research will reveal the iron sand genes found in Kinali Pasaman and find out physical properties such as: Grain size, Magnetization, Specific Gravity and magnetic susceptibility of the samples obtained. The purpose of this study is to provide information and data for the West Pasaman district government to bring in Regional Revenue / PAD (Royalty) as well as one of the solutions for PT Semen Padang in meeting its iron sand needs. The methodology used is to take 5 (five) iron sand samples systematically and represented at several points. The sampling point at the coordinates: 1.S004’46,49 “E99046’6,33”, 2. S005’8,93 “E99046’2,34”, 3.S007’39,40 “E99045’25,60”, 4. S008’20.60 “E99044’55.55”, 5. S008’39.00 “E99044’55.43”. The sample was analyzed for its physical properties at the UNP FT Mining Laboratory. The results of research on the physical properties of iron sand at Kinali Pasaman beach: sample size 0.425mm-0.15mm,% magnetization fraction from size of 0.425mm-0.075mm 20%-40%, specific gravity 2.9-3.5, and susceptibility 497.8-2644, 3 x 10-8m3kg-1 which shows iron sand is superparamagnetic.
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