Education of Trass Utilization for Developing Local Economy in Nagreg Kendan, West Java

摘要

Education of trass utilization was given to local communities of Nagreg Kendan, West Java. This activity was intended to explore the potential of the communities for development of trass deposit utilization for local economy. This activity is expected to provide recommendation and encouragement for communities to develop entrepreneurship in utilizing and managing mineral resources potential. Nagreg Kendan village as one of the villages in the district Nagreg which has the potential of trass deposits has quite a lot of opportunities in developing its business to utilize trass deposits. One of the determining factors for the use of trass is the characteristics of trass deposits. The chemical elements contained in the Nagreg trass deposit are SiO_2 49.15%, Al_2O_3 29.56%, Fe_2O_3 4.52%, TiO_2 0.45%, CaO 1.12%, MgO 0.94%, Na_2O 0.12% and K_2O 0.20%, and specific Gravity 2.6. These characteristics are related to the utilization technology for roof tiles and concrete blocks.