woolsack weathering n.— «I now know that South Africa is, in part, one of the planet’s oldest continental fragments. I also have a name for the ageing process of those jumbled Karoo koppies—it’s called “woolsack weathering,” which...
woolsack weathering n.— «I now know that South Africa is, in part, one of the planet’s oldest continental fragments. I also have a name for the ageing process of those jumbled Karoo koppies—it’s called “woolsack weathering,” which...