Middle Ordovician Normanskill Formation, Eastern New York, Age, Stratigraphic, and Structural Position
| Title | Middle Ordovician Normanskill Formation, Eastern New York, Age, Stratigraphic, and Structural Position |
|---|---|
| Publication Type | Journal Article |
| Year of Publication | 1973 |
| Authors | Rickard, L., Fisher, D. |
| Keywords | geology |
| Journal | American Journal of Science, vol.273, no.7, pp.580-590, Sep 1973 |
| Volume | 273 |
| Issue Number | 7 |
| Pagination | 580-590 |
| 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 |
| DOI | 10.2475/ajs.273.7.580 |
| URL | http://www.ajsonline.org/content/273/7/580.short |