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SPE 015

Petrography of the Mountain Lake Pipe, Grande Prairie Area, Alberta, Canada

Twelve samples rich in altered juvenile olivine from the Mountain Lake Pipe (holes ML95-1 and ML95-3) were studied for texture and mineralogy. Contrary to an earlier interpretation that Mountain Lake Pipe rocks are entirely extrusive crater-facies ... Show Abstract

Skupinski, A.  Langenberg, C.W.  2002-03-01

ESR 2000-03

Remnants of (Possibly Diamondiferous) Ultramafic Igneous Rocks in Bedrock of the Kakwa/Wapiti area, West Central Alberta

Bedrock sampling at 23 sites, heavy mineral separation and microprobing confirmed that indicator minerals of ultramafic igneous rocks are present in Cretaceous bedrock of the Wapiti area (NTS 83L). Para-magnetic heavy minerals (>3.3 SG) from ... Show Abstract

Langenberg, C.W.  Skupinski, A.  Beaton, A.P.  2000-01-01