Condensates, silica tube sublimates and incrustations were sampled from high temperature fumaroles (500 - 800°C) and lava sample were collected at Merapi Volcano, Indonesia in Jan - Feb. 1984).
There are few places in the developed world particularly where the coal industry does not feel that it faces major challenges. Climate change, safety and a variety of other environmental.issues are just some of the concerns. In many cases these concerns are justified, and certainly in the developing world much more needs to be d…