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Contents
Depositional controls
Purpose
Origin and evolution of previous nomenclature
Earliest work
Revised correlations
Hepler sandstone
Lenapah Limestone
Age of the Dawson coal
Relations of the Lenapah Limestone
Recorrelation of northern "Lenapah" limestones
Desirability of a new named formation
Type locality and stratotype
Component units
Sni Mills Limestone Member
Cooper Creek Limestone Member
Homer School limestone bed
Nuyaka Creek black shale bed
Glenpool limestone bed
Contacts
Basis for correlation
Conodonts
Ammonoids
Palynomorphs
Fusulinids
Desmoinesian-Missourian boundary
Hepler unit
South Mound shale
Lenapah transgressions
Upper Memorial regression
Early Lost Branch transgression
Late Lost Branch transgression
Maximum Lost Branch transgression
Early Lost Branch regression
Late Lost Branch regression
Maximum Hepler regression
Possible cause of terminal Desmoinesian extinctions
Comparison of the Lost Branch Formation with other marine formations
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Kansas Geological Survey, Geology
Placed on web Nov. 2, 2010; originally published 1991.
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The URL for this page is http://www.kgs.ku.edu/Publications/Bulletins/GS4/01_contents.html