Africa thumbnail

Detailed Description
Persits, F.M., Ahlbrandt, T.S., Tuttle, M.L., Charpentier, R.R., Brownfield, M.E., and Takahashi, K.I., 1997, Maps showing geology, oil and gas fields and geological provinces of Africa: U.S. Geological Survey Open-File Report 97-470-A, https://doi.org/10.3133/ofr97470A.
Thumbnail image from Osmonson, L.M., Persits, F.M., Steinshouer, D.W., Klett, T.R., 1997, Geologic Provinces of Africa, 2000 (prv7_2ag): U.S. Geological Survey data release, https://doi.org/10.5066/P9IFZKJW.
Sources/Usage
Public Domain.
full use