Anatomy of an embayment in an Ordovician epeiric sea, Upper Mississippi Valley, USA

Geology

Volumn 31, Issue 6, 2003, Pages 545-548

  Simo, J A ^a   Emerson, Norlene R ^b   Byers, Charles W ^a   Ludvigson, Gregory A ^c  

^a UNIVERSITY OF WISCONSIN MADISON   (United States)

^b 53581   (United States)

^c UNIVERSITY OF IOWA   (United States)

Author keywords

Decorah Formation; Depositional environments; Epeiric sea; Midcontinent; Ordovician

Indexed keywords

BIOSTRATIGRAPHY;

CARBONACEOUS SHALE; CARBONATES; GEOCHEMISTRY; ISOTOPES; LITHOLOGY; SEDIMENTS;

STRATIGRAPHY;

BAY; BIOSTRATIGRAPHY; GEOCHEMISTRY; ORDOVICIAN; PALEOGEOGRAPHY; SEA LEVEL; STRATIGRAPHY;

UNITED STATES;

EID: 0038608799     PISSN: 00917613     EISSN: None     Source Type: Journal    
DOI: 10.1130/0091-7613(2003)031<0545:AOAEIA>2.0.CO;2     Document Type: Article

References (18)

1. Ainsaar, L., Meidla, T., and Martma, T., 1999. Evidence for a widespread carbon isotope event associated with late Middle Ordovician sedimentological and faunal changes in Estonia: Geological Magazine. v. 136. p. 49-62.
2. Brasier, M.D., Magaritz, M., Corfield, R., Lou, H., Wu, X., Ouyang, L., Jiang, Z., Hamdi, B., He, T., and Fraser, A.G., 1990. The carbon- and oxygen-isotope record of the Precambrian-Cambrian boundary interval in China and Iran and their correlation: Geological Magazine, v. 127. p. 319-332.
3. Bunker, B.J., Witzke, B.J., Watney, W.L., and Ludvigson, G.A., 1988. Phanerozoic history of the central Midcontinent. United States, in Sloss, L.L., ed., Sedimentary cover: North American craton U.S. Boulder, Colorado, Geological Society of America. Geology of North America. v. D-2. p. 243-260.
4. Emerson, N.R., 2002. Sedimentology and brachiopod biostratigraphy of the Ordovician (Mohawkian) Decorah Formation [Ph.D. thesis]: Madison. University of Wisconsin, 490 p.
5. 144Nd and Sm/Nd stratigraphy of Upper Ordovician epeiric sea carbonates: Geochimica et Cosmochimica Acta, v. 66, p. 241-255.
6. Holmden, C., Creaser, R.A., Muchlenbachs, K., Leslie, S.A., and Bergström, S.M., 1998. Isotopic evidence for geochemical decoupling between ancient epeiric seas and bordering oceans: Implications for secular curves: Geology, v. 26, p. 567-570.
7. Kolata, D.R., Huff, W.D., and Bergström, S.M., 2001. The Ordovician Sebree Trough: An ocean passage to the midcontinent United States: Geological Society of America Bulletin, v. 113, p. 1067-1078.
8. Kump, L.R., and Arthur, M.A., 1999. Interpreting carbon-isotope excursions: Carbonates and organic matter, in Veizer, J., ed., Earth system evolution: Geochemical perspective: Chemical Geology, v. 161, p. 181-198.
9. Ludvigson, G.A., Jacobson, S.R., Witzke, B.J., and Gonzalez, L.A., 1996. Carbonate component chemostratigraphy and depositional history of the Rocklandian Decorah Formation. Upper Mississippi Valley. in Witzke. B.J.. et al., eds., Paleozoic sequence stratigraphy: Views from the North American craton: Geological Society of America Special Paper 306. p. 67-86.
10. Ludvigson, G.A., Witzke, B.J., Schneider, C.L., Smith, E.A., Emerson, N.R., Carpenter, S.J., and González, L.A., 2000. A profile of the mid-Caradoc (Ordovician) carbon isotope excursion at the McGregor Quarry, Clayton County, Iowa. in Anderson, R.R., ed., The natural history of Pikes Peak State Park, Clayton County, Iowa: Geological Society of Iowa Guidebook 70, p. 25-31.
11. Pancost, R.D., Freeman, K.H., Patzkowsky, M.E., Wavrek, D.A., and Collister, J.W., 1998. Molecular indicators of redox and marine photoautotroph composition in the late Middle Ordovician of Iowa, U.S.A.: Organic Geochemistry, v. 29, p. 1649-1662.
12. Pancost, R.D., Freeman, K.H., and Patzkowsky, M.E., 1999. Organic-matter source variation and the expression of a late Middle Ordovician carbon isotope excursion: Geology, v. 27, p. 1015-1018.
13. Patzkowsky, M.E., Slupik, L.M., Arthur, M.A., Pancost, R.D., and Freeman, K.H., 1997. Late Middle Ordovician environmental change and extinction: Harbinger of the Late Ordovician or continuation of Cambrian patterns?: Geology, v. 25, p. 911-914.
14. Templeton, J.S., and Willman, H.B., 1963. Champlainian Series (Middle Ordovician) in Illinois: Illinois State Geological Survey Bulletin 89, 260 p.
15. Willman, H.B., and Kolata, D.R., 1978. The Platteville and Galena Groups in northern Illinois: Illinois State Geological Survey Circular 502, 75 p.
16. Witzke, B.J., 1980. Middle and Upper Ordovician paleogeography of the region bordering the Transcontinental Arch, in Fouch, T.D., and Magathan, E.R., eds., Paleozoic paleogeography of the west-central United States: Rocky Mountain Section, Society of Economic Paleontologists and Mineralogists, p. 1-18.
17. Witzke, B.J., and Bunker, B.J., 1996. Relative sea-level changes during Middle Ordovician through Mississippian deposition in the Iowa area, North American craton, in Witzke, B.J., et al., eds., Paleozoic sequence stratigraphy: Views from the North American craton: Geological Society of America Special Paper 306, p. 307-330.
18. Witzke, B.J., and Kolata, D.R., 1989. Changing structural and depositional patterns. Ordovician Champlainian and Cincinnatian Series of Iowa-Illinois, in Ludvigson, A., and Bunker, B.J., eds., New perspectives on the Paleozoic history of the Upper Mississippi Valley; an examination of the Plum River fault zone: Iowa City, Iowa Department of Nature Resources, p. 55-77.