Juniors Spider Resources (SPQ-A) and KWG Resources (KWG-T) have found more diamonds in the Kyle Lake diatreme in the James Bay Lowlands, 200 km north of Timmins, Ont.
The results, called “quite encouraging” by the two Montreal-based firms, are from a 10.2-tonne sample taken in early 1996. It yielded 3,927 diamonds, 704 of which are macrodiamonds (having dimensions greater than 0.5 mm).
The average diamond grade for this test is 62.7 carats per 100 tonnes of kimberlite.
So far at Kyle Lake, 4,665 diamonds have been recovered from more than 12 tonnes of kimberlite diatreme, of which 875 are macros. The macros have yet to be submitted for appraisal.
Geologically, the companies report zoning within the diatreme. Xenoliths ejected from depth at lower temperatures are well-preserved and tend to have higher diamond content and a more pristine crystal structure. Where xenoliths were ejected at higher temperatures, preservation is poorer. In these high-temperature zones, diamond content is lower and the diamonds often have inclusions.
The firms will next conduct a mini-bulk test on two newly discovered kimberlite bodies and drill-test other nearby targets.
The targets were identified partly through a 1996 geochemical survey, which outlined indicator-mineral dispersal fans within glacial till and river sediments. This survey added to data obtained earlier by aeromagnetic and air photo surveys. Ground magnetic surveys will be completed for drill-siting purposes.
Spider and KWG are subsidiaries of Montreal-based St. Genevieve Resources (SGV-T).
Be the first to comment on "THE DIAMOND PAGE — Spider nets James Bay diamonds"