Adolphe Nicolas of the University of Montpellier in France and his colleagues discovered tantalizing evidence for such cracks while examining unusual rock formations called ophiolites.

• 法国蒙特佩利尔大学的尼可拉斯（AdolpheNicolas）与同事在检视蛇绿岩系这种特殊岩石构造时，发现了这种裂缝的证据。