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The AAPG/Datapages Combined Publications Database

CSPG Bulletin

Abstract


Bulletin of Canadian Petroleum Geology
Special Guide Book Issue: Flathead Valley
Vol. 12 (1964), No. 2S. (August), Pages 383-398

Microtectonics of the Kootenay Formation Near Fernie, British Columbia

D. K. Norris

ABSTRACT

Small scale structural features exposed in Numbers 3 and 9 Mines, Coal Creek, British Columbia, provide basic data for an analysis of the effect of lithologic layering on the mechanics of faulting and flexural slip. Contraction and extension faults cut the roofs of the coal seams at preferred angles of 28° and 58° respectively. With b subparallel to B contraction faults are statistically hol surfaces and extension faults hkl, the former having a strong axially symmetric subfabric and the latter a triclinic subfabric. Joints are statistically hko surfaces. Faulting, jointing and flexural slip in these coal measures appear to be the product of different stress geometries.


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