c. 1890-1910, Photograph, B 77127/91
View of a quartzite hill at Jackals Water, Northern Cape, in South Africa. Written on frame: 'Quartzite hill on Jackals Water, S. Africa, rising from under conglomerate which gives rise to the boulder covered conglomerate seen in foreground. The roche moutonnee form of the quartzite in the lower part of the hill and the upper portion has the rough surface usually met with where compact rocks are exposed to great diurnal variation in temperature.'