Intrusive breccias of the ca. 3.45 Ga Theespruit pluton into amphibolites from the Lower Onverwacht Group of the Barberton Greenstone Belt. Photo on an horizontal surface (YZ plane); on a vertical plane the breccia is stretched, probably by the ca. 3.2 Ga deformation.
Kisters, A.F.M., Anhaeusser, C.R., 1995. Emplacement features of Archaean TTG plutons along the Southern margin of the Barberton greenstone belt, South Africa. Precamb.Res. 75, 1-15.