Abstract:
In order to analyze the using land area of producing mines in Tibet, remote sensing data acquired in 2016 and 2017, technical method combining about remote sensing information extraction and field investigation were used. The using land area of producing mines in 2016 and 2017 were surveyed. The change about using land area of producing mines in 2016 and 2017 were analyzed. The results show that, for using land area, five most mines are building sand, lithium, copper, sylvite and lead. From 2016 to 2017, for using land area changes, the increase most mine is building sand, some increase more mine are copper, Limestone for building stone, granite and limestone for cement. It shows that there was a significant increase in local demand for Building sand products.