Onshore mining process that uses the gravel pump method. This mining operation is carried out according to Good Mining Practicies.
Borehole mining (BHM)
This minging method is relatively new and becomes an environmentally friendly solution, hich uses a sub-surface hydrolic mining.
Kapal Keruk Bucket Line Dredges
The mining process through dredges in the form of a bowl size from 7 cuft up to 24 cuft and can operate from 15 to 50 meters below sea level with digging capacity more than 3.5 milion cubic meters of material every month.
Kapal Isap Produksi (KIP)
The mining process through excavation which reaches 25 meters below sea level so that can reach the remaining reserves of dredgers.
Bucket Wheel Dredges
The mining process that has the ability to excavate around 70 cubic meters below sea level.