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Middle Ordovician Normanskill Formation, Eastern New York, Age, Stratigraphic, and Structural Position

TitleMiddle Ordovician Normanskill Formation, Eastern New York, Age, Stratigraphic, and Structural Position
Publication TypeJournal Article
Year of Publication1973
AuthorsRickard, LV, Fisher, DW
JournalAmerican Journal of Science, vol.273, no.7, pp.580-590, Sep 1973
Volume273
Pagination580-590
Keywordsgeology
Abstract

Graptolite zonation, Normanskill considered entirely allochthonous (previously thought partly autochthonous) and older than underlying black shale and limestone, plate tectonics of New England continental margin; see also comments by Berry, William B. N., 20

URLhttp://www.ajsonline.org/content/273/7/580.short
DOI10.2475/ajs.273.7.580