The first two drill samples from K91, the most recent kimberlite found on the Buffalo Hills project in north-central Alberta, have yielded seven macrodiamonds and 139 micros from 79 kg of core.
The two largest stones measured 1.35 mm and 0.95 mm in their maximum dimension and are clear and colorless. (A macro is defined as equal to, or exceeding, 0.5 mm in at least one dimension, whereas a micro has a maximum dimension greater than 0.1 mm and less than 0.5 mm.)
Operator Ashton Mining of Canada (ACA-T) says the initial results from K91 are among the best received to date from the project, and indicate that further sampling is warranted.
K91, which lies 2.3 km northwest of the K14 kimberlite complex, has a geophysical signature of 400 by 100 metres.
One vertical hole and three angle holes, all of which were drilled from the same site, tested the magnetic anomaly in October, returning intervals of kimberlite of up to 110 metres in length before bottoming in mudstone country rock. The initial diamond results are from samples taken from the vertical hole.
Ashton can earn a 42.5% interest in the original 1.4-million-acre property from Alberta Energy (aec-t) by spending $5 million on exploration. Pure Gold Minerals (pug-t) holds the right to a 15% interest.
The partners share ownership of an additional 4.4 million acres of surrounding ground, where exploration expenditures are split proportionately. Ownership of a further 22.5 million acres is shared by Pure Gold (49%), Ashton (25.5%) and Alberta Energy (25.5%).
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