Copper potential of KSK COW - Kalimantan Gold Corporation Limited

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Figure 11. Rock chip copper geochemistry and location of drill holes at Beruang
Tengah (from Johansen, 2007).
Discussion
The new drilling at Beruang Tengah has significantly downgraded this part of the
system and Oxiana considered that there was insufficient room remaining within the
prospect for an economic porphyry deposit.
The Beruang Tengah prospect area has been defined from rock chip sampling of creek
outcrops rather than by a broader soil sampling program. It is considered that followup
work is warranted aimed at more fully delineating the extent of veining and
mineralization and identifying sulphide-rich parts of the system. Stockwork and
sheeted veins with limonites after sulphides extend to the south and west beyond the
copper anomaly that has been the focus of recent work (Geiger, pers. comm., 2008).
Extension of the geochemical coverage into these areas via a soil survey together with
an IP survey over the main copper anomalies may serve to highlight sulphide-rich
parts of the system for follow-up drilling. Given the observed association of
secondary biotite and magnetite in several of the KSK prospects, reprocessing of the
existing ground magnetic data and extension to the new soil grid may also serve to
better highlight structure and alteration distribution.
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Peter J. Pollard
Copper potential of KSK COW, Central Kalimantan