After eruption of 1883, studies on the development or the recovery of natural ecosystem on the Krakatau Islands, especially those of vegetation and fauna, have been of great interest to many scientists. However, as far as we know, only a few studies on the soils were carried out (Ernst, 1908; Van Baren, 1931; Newsome, 1982).
In the viewpoint of energy resource interest, recently, the generation potential interest of oil shales, particularly as an oil source, has been considered significantly as a new unconventional energy source. Some time ago, research of oil shales revealed many of the factors controlling its information and diagenesis. Most such research has considered the main source of oil and condensate. Oil …
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