The Moose Mountain area, situated along the front range of the Canadian Rockies, 32 miles northwest of the Turner Valley oil field, Alberta, has interested oil companies for a great many years. Its main feature is a large domal structure, approximately 10 miles long and 3 miles wide, that has been drilled at three widely separated locations, resulting in two producers and a failure. These tests were started only a few hundred feet above the Mississippian-Devonian contact. The dry hole was drilled about 2,700 feet below the top of the Cambrian; the producers are deriving the gas and oil from rocks

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of Devonian age. There are limestone zones in the lower part of the Devonian that are extremely porous where they crop out north and south of the Moose Mountain area; but the pore spaces were found to be filled with calcite in beds that were stratigraphically equivalent to these zones where they were encountered, structurally high, in the McColl-Frontenac Oil Company's test on the Moose Mountain anticline.

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