Teti Indriati
Mice deposit is about 26 km northeast of Tanjungpandan City, who is administratively located in Air Selumar Village, Sijuk District, Belitung Regency, Bangka Belitung Islands Province. Tin-tungsten mouse sediment is the main granite berry deposit in Belitung. This granite is classified as type-s granite and contains greisen which is rich in primary and wolframit casiterit; It also contains REE. In this study, the soil sample was taken from the Ufuk B through the UFUK B transition to C using a hand drill or shovel. Land is taken from a depth of 30�150 cm, and looks yellowish red to chocolate with rough small fragments. Based on ICP-MS analysis, tungsten content varies from 106 ppm to 1260 ppm. Tungste distribution map. The relatively high tungsten content is located in the northwestern part of the area and southwest of the study area. AD0403B, AD0404, and AD1003 samples from mining locations show high tungsten content (433�1260 ppm). Further to the east (far from the mining location) someone travels, the more the tungsten content decreases (106�457 ppm), which was verified by AD0909, AD0911, and AD0913 soil samples.
Application of appropriate technology
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