| Late Middle Ordovician environmental change and extinction; harbinger of the Late Ordovician or continuation of Cambrian patterns? |
Patzkowski, m.K.; Slupik, L.M.; Arthur, M.A.; Pancost, R.D.; and Freeman, K.H. |
Geology vol. 25, no. 1, pp. 911-914 |
1997 |
N/A
|
| Organic geochemistry of the Cretaceous Western Interior Seaway; a trans- basinal evaluation, pp. 173-188, <In>, Dean, W.E.; and Arthur, M.A., (eds.); Stratigraphy and paleoenvironments of the Cretaceous Western Interior Seaway, USA |
Pancost, R.D.; Freeman, K.H.; and Arthur, M.A. |
Society for Sedimentary Geology (SEPM), Concepts in Sedimentology and Paleontology no. 6, 255 pages |
1998 |
N/A
|