Core related by-products examples in Sibudu, layer GR.

1. Overshoot hornfels flake showing the morphology of a prismatic core with two opposed striking platforms. 2 and 3. Semicrest in hornfels. 4. Semicrest in dolerite from a big prismatic blade core. Scale 3 cm.1. 过打角岩（hornfels）石片（flake），呈现带有两个对向打击台面（striking platform）的棱柱状石核（prismatic core）的形态特征。2、3. 角岩质半脊。4. 源自大型棱柱状石叶核（prismatic blade core）的辉绿岩（dolerite）质半脊。比例尺为3厘米。