Lawrence Formation Explained

Lawrence Formation
Lawrence Shale
Type:Formation
Age: (Virgilian stage)
Period:Late Carboniferous
Prilithology:Shale
Otherlithology:Limestone, sandstone
Namedfor:Lawrence, Kansas
Namedby:Erasmus Haworth
Year Ts:1894
Region:Kansas
Country:United States
Subunits:Kansas usage:
Unitof:Kansas, et al: Douglas Group
Oklahoma: Vamoosa Group
Underlies:Oread Limestone
Overlies:Cass Limestone

The Lawrence Formation, also referred to as Lawrence Shale, is a Late-Carboniferous geologic formation in Kansas, extending into Nebraska, Iowa, Missouri, and Oklahoma.[2] [3] This unit was named by Erasmus Haworth in 1894, the year that Haworth founded the Kansas Geological Survey in Lawrence, Kansas, having personally surveyed the formation the year before.[2]

See also

Notes and References

  1. P. H. Heckel and W. L. Watney . Revision of Stratigraphic Nomenclature and Classification of the Pleasanton, Kansas City, Lansing, and Lower Part of the Douglas Groups (Lower Upper Pennsylvanian, Missourian) in Kansas . Kansas Geological Survey Bulletin . 246 . . 2002 . Stratigraphy, continued : Douglas Group (redefined) . 2022-04-02 .
  2. Web site: Geologic Unit: Lawrence. Geolex — Significant Publications . National Geologic Database . . 2022-04-03 .
  3. 7, TEXT-FIGURE 4 . Stratigraphy . 10 . P. H. Heckel . 1-2 . Pennsylvanian stratigraphy of Northern Midcontinent Shelf and biostratigraphic correlation of cyclothems . 2022-04-02 . 2013 .