The Ngorongoro Volcanic-Ash Tephra-Sealing
27 Apr 2min
The Lake Turkana Alkaline-Saponification
27 Apr 2min
The Makgadikgadi Pans Carbonate-Incrustation
27 Apr 2min
The Lake Natron Halo-Alkaline Petrification
27 Apr 2min
The Lake Malawi Deep-Anoxic Manganese-Staining
27 Apr 2min
The Okavango Delta Peat-Tannin Stasis
27 Apr 2min
The Lake Katwe Salt-Crust Calcification
27 Apr 2min
The Witwatersrand Gold-Tailing Cementation
25 Apr 2min
