LOW RANK COAL FORMASI SAJAU DAERAH TELUK SEMANTING DAN TANJUNG BATU KECAMATAN PULAU DERAWAN, KABUPATEN BERAU – KALIMANTAN TIMUR

Main Author: -, Geni Dipatunggoro
Other Authors: Fakultas Teknik Geologi
Format: Article info application/pdf eJournal
Language: ind
Published: fakultas Teknik Geologi Universitas Padjadjaran , 2007
Subjects:
Online Access: http://jurnal.unpad.ac.id/bsc/article/view/8138
http://jurnal.unpad.ac.id/bsc/article/view/8138/3711
Table of Contents:
  • The studied area belong to Teluk Semanting vilage and Tanjung Batu vilage, Pulau Derawan District, Berau Regency, East Kalimantan Province.Coal Bearing Formation is Sajau Formation with the younger from Latih Formation at PT. Berau Coal mine, description is black, vitreous luster, subconcoidal fracture, very hard to soft, brown streak, is general resin and piryt and sometimes wood structure. Phisycal is based on Sub Bituminus B Coal. Outcrop is followed the folded wich North West – South East, the range of strike N300oE – N00oE and N120oE – N170oE. The dip of coal is 8oNE - 28oNE and 5oSW - 13oSW.Indicated reserve of coal at study area is based on resources calculating with make use of the regional geologic explanation has reached 136 million ton, This reserve belong to the middle of the big mining.Quality of coal at study area with the measured parameter is “inherent Moisture” =10,20%-14,58,8%, Ash = 1,10%-7,61%, “Volatile Matter” = 36,58%-45,49%, “Fixed Carbon” = 37,50-45,72%, “Total Sulphur” = 0,12%-2,86%, Calorivic value the range = 5.666 – 6.427 Kkal/kg.