Early Lithification, Dolomitization, and Anhydritization of Upper Devonian Nisku Buildups, Subsurface of Alberta, Canada

  • H.-G. Machel

Abstract

Carbonates and evaporites of the Upper Devonian Nisku Formation were deposited on an extensive cratonic shelf that extended more than 1300 km southeastward from central Alberta into western Wyoming and South Dakota. The study area is located in the subsurface of central Alberta between townships 46 to 52 and ranges 5W5 to 16W5 (Figs. 1 and 2). In this area, the average depth of the Nisku is about 2000 m in the northeast and about 3600 m in the southwest. The strata form a structural homocline which dips towards the southwest at an average angle of 0.5 degrees.

Keywords

Lithification Mold Sandstone Recrystallization Shale 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1986

Authors and Affiliations

  • H.-G. Machel
    • 1
  1. 1.Basin Research InstituteLouisiana State UniversityBaton RougeUSA

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