Lea Park Formation

Lea Park Formation
Stratigraphic range: Early Campanian
TypeGeological formation
UnderliesJudith River Formation
OverliesFirst White Speckled Shale
Thicknessup to 270 metres (890 ft)[1]
Lithology
PrimaryShale
OtherSiltstone
Location
Coordinates53°39′15″N 110°19′49″W / 53.65427°N 110.3302°W / 53.65427; -110.3302 (Lea Park Formation)
Region Alberta
Country Canada
Type section
Named forLea Park, Alberta
Named byJ.A. Allan, 1918

The Lea Park Formation is a stratigraphical unit of Late Cretaceous age in the Western Canadian Sedimentary Basin, Canada.

It takes the name from the settlement of Lea Park, Alberta, located north-west of Lloydminster on the banks of the North Saskatchewan River. It was first defined in an outcrop on the river banks, located in section 15-11-54-3W4M by J.A. Allan in 1918.[2] The early campanian age was determined from its foraminifera and mollusks found in the formation.

  1. ^ Cite error: The named reference lexicon was invoked but never defined (see the help page).
  2. ^ Allan, J.A., 1918. Sections along North Saskatchewan River and Red Deer and South Saskatchewan rivers; Geological Survey of Canada, Summary Report 1917, Part C, pp. 9-13.