We are living in an epoch when numerous secrets of nature are being discovered and natural resources are being reclaimed by humans. At the same time, however, this is an epoch of considerable human efforts to protect their health against an increasingly destructive anthropogenic activity. According to the accomplishments o…
This practical step by step guide describes the key geological field techniques needed by today's exploration geologists involved in the search for metallic mineral deposits. The techniques described are fundamentals to the collection, storage and presentation of geological data and their use to locate ore. This book explains the various tasks which the exploration geologist is asked to perform…
Kumpulan Foto - Seri Album Batubara
During the past century, and most par-ticularly in the decades following World War II there has been a tremendous ex-pansion of the impact of science on everyday life. Explanations of scientific phenomena, particularly those of catastrophic effect on society, are given at all levels of education, science dominates the news media, most households make use of products that are the result of appli…
Pumice flow of the 1883 Krakatau eruption occurs It at Small Rakata, Rakata and Sertung Islands, those which roughly correspond to the wall of Krakatau caldera, Indonesia. significantly differs in both mineral and chemical compositions against any other volcanic rock or ejecta of the Krakatau Group, those of which belong to Miyashiro's (1974) tholeiitic series. Meanwhile, lithic fragments of gr…
Mt. Merapi is one of the most active volcanoes in Indonesia, geologically is situated on the intersection of two faults of regional importance, namely the transverse fault which separates East Java from Central Java, and a longitudinal fault through Java which forms the boundary between the western Kendeng Ridge and the Ngawi sub Zone North of Simo.
Under commission of the Director of State's Enterprises ddo. 6 March 1917 No. 801/M the author was instructed to leave for the Residency of Besuki in order to investigate the nature of the youngest slumping's in the Kawah Idjen, and to give advice to the local irrigation- authorities in accordance with the result of the investigation.
Photo-interpretation of the Dieng plateau and surrounding areas reveals the presence of volcanic lineaments, i.e. lines which connect in the most probable directions existing craters, both active and extinct, lakes, explosion vents, either filled up with water or dry, and solfatara and fumarole fields. In this way some 15 linea-ments have been constructed. It is also apparent that hot springs a…