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Impact Minerals is an ASX-listed company (trading
symbol: (ASX: IPT). that holds about 21,000 sq km prospecting licenses
in Botswana, along strike from the Letlhakane Project owned by A-Cap
Resources with an inferred resource of 98 Mlbs U3O8.
The Botswana Uranium Project comprises approximately 21,000 sq km
of licenses that cover about 350 km of the strike extensions of
rocks that host uranium deposits and prospects near the town of
Serule, where ACAP Resources Ltd has the Letlhakane uranium project
containing three deposits hosted by near surface calcrete and by
Karoo Group sedimentary rocks. ACAP have reported combined inferred
resources of 98 Mlbs U3O8 at an average grade of 158 ppm at a cut-off
grade of 100 ppm. ACAP recently released a scoping study for the
project and indicated that the company will progress the project
further.
Initial interpretation by Impact of Government airborne radiometric
data that covers about three quarters of Impact’s Prospecting
Licenses, located in northeastern Botswana, identified about 20
areas with the elevated surface uranium responses and other targets.
Work continued on the compilation of previous exploration data and
in particular stratigraphic information from previous drill holes
that provide valuable information about the sub-surface distribution
of the Cainozoic and Karoo rocks which are potential hosts for uranium
deposits.
Impact’s licenses are variably prospective for three types
of uranium deposits:
- deposits hosted by Karoo sedimentary rocks, which host uranium
deposits in many places in southern Africa;
- Uranium hosted by calcrete in Cainozoic palaeochannels, a style
of mineralisation known in Australia and Namibia. In Botswana
the palaeochannels form part of the Kalahari Group sediments that
are extensive within the Impact licenses; and
- areas of salt lakes which, in Australia and elsewhere in Africa,
are known to host uranium deposits.
- Initial interpretation has indentified about 20 areas with elevated
surface uranium responses and other targets in regional airborne
radiometric data.
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