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DIG 2013-0031

Subsurface Stratigraphic Picks for the Belly River Group/Lea Park Formation Transition in East-Central Alberta (tabular data, tab delimited format)

Abstract: The dataset includes subsurface stratigraphic picks for the interfingering members that define the transition between the Belly River Group and the Lea Park Formation in east-central Alberta (Townships 1 to 62, Ranges 1W4 to 21W4) made from wireline geophysical well logs. Coarsening upwards, siltstone to sandstone-dominated members of the Belly River Group include (from youngest to oldest) the upper Birch Lake, lower Birch Lake, Ribstone Creek, Victoria, and Brosseau members. Interfingering mudstone-dominated members of the Lea Park Formation include the Mulga, Grizzly Bear, Vanesti, and Shandro members. Where the top and base are present, we calculated isochore values for each member.Well data were screened to detect errors resulting from deviated wells, as well as incorrect ground and kelly bushing elevation data. We used statistical methods to identify local and regional statistical outliers, which were examined individually. Place Keywords 72e 72l 72m 73d 73e 73l 82h 82i 82p 83a 83h 83i alberta canada Theme Keywords alberta plains bedrock geology belly river group birch lake member brosseau member campanian grizzly bear member lea park formation mapping mulga member ribstone creek member shandro member stratigraphic picks stratigraphy subsurface mapping upper cretace

Glombick, P.M.  2014-05-08