At places in the thickest layer they are present as ellipsoidal globules, 1-10mm in length . 在最厚岩层中,有的地方它们呈椭圆形球体,长110毫米。
The long axes of the ellipsoidal shaped calcareous concretion reflected the direction of movement of mineralizing groundwaters . 椭圆形的钙质结核的长轴方向反映了地下矿化水的流动方向。