Karoo Supergroup of the country, and in the Lebombo mountains along the Mozambique border. Once the layer of hard lava was eroded away, the softer Karoo sediments over the rest of the basin eroded even faster. However, the dolerite sills resisted erosion, protecting the softer Beaufort and Ecca shales beneath them. This created numerous and widespread flat topped hills, known as Karoo Koppies ("koppie" being the Afrikaans term for hill), which are iconic of the Karoo, and, by extension, the South African landscape. The dykes, or vertical fissures which brought the lava to the surface stand out today as linear ridges extending
Karoo Ashevak Karoo Ashevak Karoo Ashevak (1940 – October 19, 1974) was an Inuit sculptor who lived a nomadic hunting life in the Kitimeot, central Arctic region before moving into Spence Bay in 1960. His career as an artist started in 1968 by participating in a government-funded carving program. Working with the primary medium of fossilized whalebone, Ashevak created approximately 250 sculptures in his lifetime, and explored themes of shamanism and Inuit spirituality through playful depictions of human figures, shamans, spirits, and arctic wildlife. In 1970, the Canadian Eskimo Art Council held the Centennial competition in Yellowknife. Ashevak's sculptures won Third Prize