Fig. 7
From: Spheroidal weathering of basalt from Gebel Qatrani, Fayum Depression, Egypt

Percent change in the ratio of major oxides/TiO2 between average weathered shell and average core-stone
From: Spheroidal weathering of basalt from Gebel Qatrani, Fayum Depression, Egypt
Percent change in the ratio of major oxides/TiO2 between average weathered shell and average core-stone