A study of the product of hydromagmatic activity and their associated xenoliths has been made on the recent volcanic centres on the island of Flores and Faila, in the Azores, in order to define the geothermal context.
Some of high rank coal occurrences in Kalimantan Basins-Indonesia have been identified an on of the bituminous umented as coking Coal deposits The occurrence of the coking coal deposits boea y high fluidity, although the atent of inert macerals appears coals in general are dominated by vitrinite macerals with minor inertinite and liptinite contents …