Government of Alberta

Geochemical analytical data are reported for 123 Cretaceous rock samples from northwestern Alberta collected by Alberta Geological Survey (AGS) staff from 2001 to 2005. The values for one repeat analysis are included (5602R), making a total of 124 analytical records. The results include analyses...

The first clue to the presence of possible diamond-bearing source rocks in northern Alberta was the discovery of a perfect octahedral diamond, estimated at about 0.83 carats in weight, by farm worker Einar Opdahl during 1958 in the Evansburg area of west-central Alberta. Since the Opdahl diamond,...

This kimberlite xenocryst dataset includes the electronic microprobe data from silicate and oxide xenocryst minerals from various ultrabasic to kimberlite rock occurrences in the northern Alberta kimberlite province. These data, which total 4,285 analyses, include 897 garnet 533 clinopyroxene 791...