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Contents
Purpose and scope of the investigation
Previous work
Location and description of the area
Geography
General geology
Acknowledgments
History of Stratigraphic Nomenclature
Relationship of Greenhorn to Adjacent Units
Graneros-Greenhorn contact
Greenhorn-Carlile contact
Stratigraphy of the Greenhorn Limestone
General description
Shaly chalk
Chalk and chalky limestone
Skeletal limestone
Bentonite
Fossils
General description
Shaly chalk
Chalk and chalky limestone
Marker beds
Facies changes in the Hartland Member
Skeletal limestone
Bentonite
Macroinvertebrate fossils
General description
Basal submember
Hard beds
Third submember
Shellrock limestone bed
Macroinvertebrate fossils
General description
Shaly chalk
Chalky limestone
Marker beds
Facies change in the Pfeifer interval
Bentonite
Macroinvertebrate fossils
Western Interior Standard Zones
Range zones of inoceramid bivalves
Assemblage zones
Acanthoceras wyomingense Assemblage Zone
Calycoceras? canitaurinum-Exogyra aff. E. boveyensis Assemblage Zone
Undesignated assemblage zone
Sciponoceras gracile Assemblage Zone
Undesignated assemblage zone
Mytiloides labiatus-Watinoceras reesidei Assemblage Zone
Mytiloides labiatus-Mammites nodosoides wingi Assemblage Zone
Undesignated Assemblage Zone
Mytiloides labiatus-Collignoniceras woollgari-Inoceramus cuvieri Assemblage Zone
Correlation
Lincoln Member
Hartland, Jetmore, and Pfeifer Members
Depositional Environment and Paleoecology
Regional setting and stratigraphic framework of Greenhorn deposition
Sequence of depositional events
Physical aspects of the environment
General statement
Depth of deposition
Bottom conditions and substrates
Salinity
Temperature
Paleoecology of major invertebrate groups
Foraminifera
Ammonites
Bivalves
B. Description of key sections
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Kansas Geological Survey, Geology
Placed on web June 5, 2010; originally published May 1975.
Comments to webadmin@kgs.ku.edu
The URL for this page is http://www.kgs.ku.edu/Publications/Bulletins/209/01_contents.html