At places in the thickest layer they are present as ellipsoidal globules, 1-10mm in length . 在最厚巖層中,有的地方它們呈橢圓形球體,長110毫米。
The long axes of the ellipsoidal shaped calcareous concretion reflected the direction of movement of mineralizing groundwaters . 橢圓形的鈣質(zhì)結(jié)核的長軸方向反映了地下礦化水的流動方向。