A comparison of ore reserve estimates at the Peak, Cobar
K. Geoff Phillips, James Cook University of North Queensland. Geology Dept, James Cook University of North Queensland. Economic Geology Research Unit
Geology Department, James Cook University of North Queensland, 1989 - Science - 22 pages
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5.3 million tonnes 60 m spaced area of inﬂuence arithmetic mean base metals calculated Charters Towers CMPL unpub Cobar Mines Proprietary conﬁdence limits Copper Lens Corrected Log Mean DISTANCE SQUARED Arith Economic Geology Research EGRU Contributions Figure 13 Figure 17 Figure 25 ﬁrst Geological Reserves Geology Department Geology Research Unit gold equivalent gold grade gt Ag gt Hinman & Scott Hinman and Scott holes IDS estimate IDS method including research abstracts INVERSE DISTANCE SQUARED James Cook University Lens and Lens LENS POLYGONAL INVERSE lognormal longitudinal projection Lower 95 Mean Upper 95 metal grades metic mineralisation Mines Proprietary Limited North Queensland Number of Assays Pb Zn gt Peak orebody POLYGONAL INVERSE DISTANCE Polygonal Mining Reserve QUEENSLAND TOWNSVILLE R.G. Taylor R.M. Carter sandstone Scott in prep sectional siltstones Sum of Wt timate tonnage Tonnes Cu Pb turbidites undiluted University of North W.P. Laing W.P. Lalng Waste Cu/4 x 106 tonnes