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Resource classification and terminology IAEAAG644
Recent advances in gammaray log interpretation
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analysis anomaly applied appraisal average grade block borehole Canada coefficients curve cut-off grade cutoff CZUBEK D.G. KRIGE density discoveries distribution district drilling economic Energy ERDA errors estimated additional estimation variance evaluation expected value exploration cost factor favourable Figure forecast forward capital function gamma-ray log Gas Hills geological environment geostatistical gold and uranium grade variations grid GT records GUARASCIO IAEA increase interpretation KRIGE logging speed lognormal distribution measured method mineable mines Mines and Resources NEA/IAEA nuclear Nuclear Energy Agency obtained orebodies parameters potential resources Powder River Basin problem procedure production capability radioactive regression requirements reserve calculations reserve estimation resource estimates rock samples short tons SINDING-LARSEN statistical stope techniques thickness tonnage tonnes tons U3Og undiscovered resources undiscovered uranium resources uranium deposits uranium price uranium reserves uranium supply USERDA values variables variogram