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O-BOY IS HE SAYING SOMTHING?

Check p.r. for lampprophyre is it there?


http://www.canadianminingnews.com/CobaltCampNews2.htm

By RICK OWEN (Northern Daily News - April 7, 2001)
Diamond minds

Timiskaming rock type may have diamond potential

KIRKLAND LAKE -Timiskaming is sitting on an under explored rock type that could have great potential.

For years it has been recognized that there are many showings of lamprophyre in the Kirkland Lake, New Liskeard and Cobalt areas, but the only real significance given to it was a special relationship between lamprophyre and gold mineralization.

Gary Grabowski, Ministry of Northern Development and Mines district geologist, said lamprophyre is very prolific all over the Canadian Shield, and was recognized in the early days of the camp.

Traditional thinking, Grabowski said, was that diamonds were only found in kimberlite, but that thinking started to change about 20 years ago with the discovery of diamonds in the Argyle Pipe in Australia, which was in Lamprophite, a cousin of lamprophyre.

Prior to 1970, diamond exploration concentrated entirely on kimberlite, because diamond production in South Africa came solely from pipes. This changed with the Australian discovery of diamonds in lamproitic rocks and by 1996 diamonds were reported in lamprophyre dikes in the Wawa area.

The diamond interest in Wawa, started when prospector Mickey Clement found a diamond while panning for gold. This resulted in the search for a kimberlite source.

This interest continued when Sandor Surmacz, who had recognized a diamondiferous lamprophyre dike in the arctic, noticed similar rocks in Wawa. He then staked ground and found diamonds.

Grabowski went on a field trip earlier this year to Wawa and observed that visually the lamprophyre in Wawa is very similar to lamprophyre in Timiskaming.

To follow up on this observation Grabowski collected 45 samples of lamprophyre from dikes in the Kirkland lake and Cobalt areas. These samples were then sent to the MNDM lab in Sudbury for chemical analysis.

This testing revealed that there are similarities between the lamprophyre in Timiskaming and the diamond bearing lamprophyre in Wawa,

Because of the similarities an argument can be made for diamond exploration in this area, said Grabowski.

Another positive for diamond exploration is the fact that there are diamond bearing kimberlite pipes, and the lamprophyre dikes are similar to the kimberlite pipes in that they are found in cross structures to the main structural zone.

As well as the potential for finding diamonds in lamprophyre dikes, Grabowski said, there is still potential for finding more kimberlite pipes.

Grabowski reports that many lamprophyre dikes remain to be samples in the area and that location and descriptions can be obtained from published OGS-ODM reports.


LOOKS LIKE HE KNOWS SOMTHING


WACKO