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| | Department of Geology- The University of Iowa |
 | | Carpenter, S.J. and Lohmann, K.C (1992) Sr/Mg ratios of modern marine calcite: empirical indicators of ocean chemistry and precipitation rate. |
 | | Carpenter, S.J. and Lohmann, K.C (1989) d18O and d13C variations in Late Devonian marine cements from the Golden Spike and Nevis reefs, Alberta, Canada. |
 | | Carpenter, S.J., Erickson, J.M., Lohmann, K.C and Owen, M.R. Diagenesis of fossiliferous concretions from the Upper Cretaceous Fox Hills Formation, North Dakota. |
| www.uiowa.edu /~geology/people/faculty/carpenter/index.htm (471 words) |
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