Tan Range encouraged at Luhala gold project

The success of Barrick Gold‘s (ABX-T) Bulyanhulu mine has been a shot in the arm for junior companies exploring properties in Tanzania’s Lake Victoria district. The senior producer recently exercised warrants for 740,741 shares of Tan Range Exploration (TNX-V) as part of an agreement to earn 60% of the junior’s Itetemia project, adjacent to Bulyanhulu.

Meanwhile, Tan Range is drilling its wholly owned Luhala gold project to test a large mineralized system covering an area measuring 1,500 by 2,000 metres.

Luhala hosts a 300,000-oz. gold resource on the Kisunge portion of the property. Recent drilling, which focused on Kisunge and the nearby Shilalo South target, confirmed that the most favourable location of gold mineralization is along hard-soft rock contacts.

Results from 10 holes include: 14.4 metres grading 5.7 grams gold per tonne (including 4.7 metres of 12.98 grams); 5 metres of 2.21 grams; 2 metres of 4 grams; 2 metres of 0.74 gram; 1 metre of 29.5 grams; 8.5 metres of 1.23 grams; and 4.3 metres of 1.84 grams.

The mineralized zones host several styles and forms of mineralization, including:

– high-grade gold, with visible gold coating fractures preferentially hosted within competent volcanics and cherty iron formations;

– broad zones of mineralization associated with stockwork and crackle brecciated felsic volcanic or cherty iron formations; and

– brittle-ductile strain zones associated with gold mineralization on the flank of a mafic intrusion.

Structure appears to have played an important role, too, insofar as the supracrustal rocks were formed into tight, east-overturned synforms and antiforms. The parallel Kisunge and Shilalo South zones rest on the short limbs of these folds, and the less-known Shilalo West Hill zone sits on one of the long limbs. No holes have been drilled near the postulated, southerly plunging fold closures, but known mineralization generally appears to be focused in those areas.

More sampling and geophysical work are planned, to be followed by 3,000 metres of drilling in 20-30 holes.

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