Coal in a aggregate of heterogeneous subtances composed of organic materials. The organic Materials are derived mainly from plant remains which have undergone various degrees of decomposition in the peat swamps and physical and chemical alteration after burial. Optically homogeneous organic materials in coal are called macerals. There are three majo…
The world reserves of coal are larger than those of petroleum and natural gas, and the production capacity for coal currently exceeds that for oil shale, tar sands, peat, and the other less developed fossil energy reserves. As a result, coal is the projected resource alternative for energy and materials well into the next century. whith this increas…
Secara geologi Sulawesi terletak pada pertemuan 3 lempeng besar yaitu Eurasia, Pasifik dan Indo Australia serta sejumlah lempeng lebih kecil (Lempeng Filipina) yang menyebabkan kondisi tektoniknya sangat kompleks.
Berdasarkan keadaan litotektoniknya, Banggai-Sula dan Buton merupakan pecahan benua yang berpindah ke arah barat karena strike-slip fault…
They were created by the most powerful forces on Earth find out all about the history and uses of rocks and minerals with this unique combination of book and website. e.explore rocks and Minerals gives you everything you need for school projects and homework, on and offline. "The subjects covered are good because they are similiar to what we learn a…
This book demonstrates how geotermal energy can be a driving force for an economicaly sound and sustainable development. It looks at the provision of geothermal energy within the framework of sustainable energy development in developing countries for power generation, rural electrification and direct use to supoort several small scale industries lik…
Mining and sustainable development might appear to be incompatible objectives, yat mining generates primary wealth as well as essential materials for society. Key question in relation to mining's contribution to sustainable development, as opposed to simple economic development, are: Is the wealth generated by mining invested in sustainable outcomes…