Geology and mineral resources of the White Mountains National Recreation Area, east-central Alaska

Abstract

II-A. Geologic map of WMNRA II-B. Geologic cross section, WMNRA III-A. Aeromagnetic map of the WMNRA III-B. Gravity map of the WMNRA IV-A. Map showing distribution of Ag, As, and Au in heavy-mineralconcentrate samples, WMNRA IV-B. Map showing distribution of Cd, Pb, and Zn in heavy-mineralconcentrate samples, WMNRA IV-C. Map showing distribution of Cu, Fe, Mo, Sb and W in heavy-mineralconcentrate samples, WMNRA IV-D. Map showing distribution of B, Be, Bi, Nb, and Th in heavy-mineralconcentrate samples, WMNRA IV-E. Map showing distribution of Ag, Ba, Cd, Pb, and Zn in heavy-mineralconcentrate samples, WMNRA IV-F. Map showing distribution of As, Cu, Mo, Sb, and Sn in heavy-mineralconcentrate samples, WMNRA IV-G. Map showing distribution of B, Be, Bi, La, Nb in heavy-mineralconcentrate samples, WMNRA IV-H. Map showing distribution of Ag, As, and Au in rock samples, WMNRA IV-I. Map showing distribution of Ba, Cd, Pb, and Zn in rock samples, WMNRA IV-J. Map showing distribution of Cu, Mo, Sb, and Sn in rock samples, WMNRA IV-K. Map showing distribution of B, Be, Bi, La, Nb, and Th in rock samples, WMNRA IV-L. Geochemical contour map showing distribution of Ag, As, and Au in WMNRA IV-M. Geochemical contour map showing distribution of Ba, Cd, Cu, Pb, and Zn in WMNRA IV-N. Geochemical contour map showing distribution of As, Cu, Fe, Mo, Sb, Sn, and W in WMNRA IV-0. Geochemical contour map showing distribution of B, Be, Bi, La, Nb and Th in WMNRA IV-P. Map showing distribution of sample sites in the WMNRA IV-Q. Drainage Basin map showing distribution of geochemical anomalies in WMNRA IV-R. Map showing distribution at ore-related minerals in the non-magnetic fraction of heavy-mineral-concentrate samples V