Geochemistry of Karoo basalts and dolerites in the northeastern Orange Free State: Recognition and origin of new Karoo basalt magma types. NE Free State.xls

One of the most significant results emerging from the Karoo Volcanics Project of the NGP ls the recognition of a number of geochemically distinct basalt magma types occurring within the lower part of the Karoo volcanic pile in the Northeastern Cape and Southern Lesotho.