The Drakensberg dominate the mountainous country of Lesotho in southern Africa, and are composed entirely of basaltic lavas (like Hawaii). The eruption of these lavas ended a protracted period of ...
The eruption of these lavas ended a protracted period of accumulation of sedimentary material from 300 to 180 million years ago - sand (now yellow sandstone), clay (now blue-black shale) and organic ...
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