Billingsley, G.H., Goodwin, G., Nagorsen, S.E., Erdman, M.E., and Sherba, J.T., 2019, Geologic and related photographs of the Grand Canyon region (1967–2010): U.S. Geological Survey data release, accessed [Month Day, Year], at https://doi.org/10.5066/F7WS8SHW.
Summary
View west toward Tuckup Canyon basalt flow, K-Ar age 0.760±0.08 thousand years (ka) (Wenrich and others, 1995), west side of upper Tuckup Canyon from east rim of Tuckup Canyon. Mount Trumbull on skyline. Basalt flow overlies Esplanade Sandstone.
Summary
View west toward Tuckup Canyon basalt flow, K-Ar age 0.760±0.08 thousand years (ka) (Wenrich and others, 1995), west side of upper Tuckup Canyon from east rim of Tuckup Canyon. Mount Trumbull on skyline. Basalt flow overlies Esplanade Sandstone.