* Astronomy

A spectacular megabreccia (a coarse rock assemblage composed of large angular-to-rounded fragments, some over 6m in length, held together by a mineral cement in this particular case by melted rock in the form of fine crystalline glassy material) in the Kraaipan granite-greenstone terrane, located roughly midway between Mafikeng and Vryburg, has provided the first clues to the recognition of a new meteorite impact locality. The discovery adds a sixth impact site to the list previously recorded in southern Africa and is exceeded in size only by the Vredefort and Morokweng impact structures.

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