Bibliography – Author Details

Author Details for "Shaffer, N.R."

Title Author(s) Publication Year Online Access
Sulfur isotopes in metalliferous black shales of Pennsylvanian age, midwestern U.S., (abstr.) Shaffer, N.R.; and Coveney, R.M., Jr. Geological Society of America, Abstract with Programs vol. 16, no. 3, p. 194 1984 N/A
Sulfur isotopes related to sedimentation conditions for metalliferous black shales of Pennsylvanian age, (abstr.) Coveney, R.M., Jr.; and Shaffer, N.R. American Association of Petroleum Geologists, Bulletin vol. 69, no. 2, p. 246 1985 N/A
Sulfur-isotope variations in Pennsylvanian shales of the midwestern United States Coveney, R.M., Jr.; and Shaffer, N.R. Geology vol. 16, no. 1, pp. 18-21 1988 N/A
Sulfur-isotope variations in Pennsylvanian shales of the midwestern United States, (abstr.) Coveney, R.M., Jr.; and Shaffer, N.R. Geology vol 16, no. 1, p. 18 1988 N/A