Reserve and resource estimate at its CSH... Mar 04, 2010 (Press Release): Jinshan Gold Mines Inc. is pleased to announce results of a new National Instrument 43-101 compliant reserve and resource estimate at its CSH 217 gold mine in Inner Mongolia, China. Compared to the reserves reported in March 2008, the total proven and probable mineable gold...

Gamma Ray Geophysical Logging in Coal Re... Gamma Ray Geophysical Logging in Coal Reserve Evaluation. Gamma ray logging is one of the most commonly used geophysical logging techniques used in coal industry. Gamma ray logging is a method of using natural gamma radiation to characterize the rock or sediment in a borehole. K-40 isotope, associated with...

Coal – left for a reason!... Coal – left for a reason! I have been working on a reserve study for last few weeks. The coal seam is of great quality, clean, and with about black and white separation. However the geology is extremely difficult and the seam is barely over 2 feet! The seam also splits with vanishings lower bench in...

Clean Ton Per Foot of Advance (CTPF) map... Clean Ton Per Foot of Advance (CTPF) map in Coal Reserve Study Well, I am sure you all are very efficient in mapping Total Coal or Total Seam of coal. Sometimes however a different isopatch is required for some coal reserve study. Here I will just give you a small guide of making Clean Ton Per Foot of 25...