In the framework of the work entrusted to WEDEXRO in 1958 "the suitability of the sigihan coal for metallurgical purposes was to be determined" and at the same time "it appeared advisable to carry out a critical examination of the state of the sigihan mine".
La Geologie est, comme son nom I'indique, La science de la Terre;a la verite La Terre peut faire I'objet d'une discipline autonome qui est precisement La Geologie, Ou etre un champ d'etudes ou s'appliquent d'autres disciplines comme La physique (ce qui determine une Geophysique),la chimie (ce qui determine une Geochimine). Aussi a-t-on coutume de di…
The Tanjungpandan Fluton is composed of two different magmatic sequences : a quantatively dominating blotite granite series of Middle Triassic age and a cross-cutting syenite seris of limited aquare dimension and similar age.