Dalam Eksplorasi endapan gambut didaerah Siak Kanan ini telah dilakukan pemboran sebanyak 78 titik dengan kedalaman berkisar antara 1,50-5,69 meter. Penyebaran endapan gambut didaerah siak kanan menipis kearah barat dan selatan atau menebal dibaian utara timur. karakteristik endapan gambut daerah ini ialah dari permukaan atas hingga lapisan dasar ho…
Information (published. Unpublished adn new data) on platinum-group element (PGE) occurrences in Indonesia gathered by summarized in this report. Most of the investigations have focussed on Kalimantan and include field work.
The semi-detailed survey conduced during phase III (september to December 1986) in the long laai and long bia areas bore on polymetallic and gold anomalies detected by the 1979-1982 exploration compaign. Gold washing sites had also been recorded. These anomalis lie in the Mentarang volcano-sedimentary Formation, Probably lower Eocene in age.