calcareous concretion

  • 钙质结核;石灰结核
calcareous concretioncalcareous concretion
  1. Form and genetic dynamics characteristics of calcareous concretion in the Loess of northwestern Hebel province and its stratigraphy significance

    冀西北黄土钙质结核形态及其成因动力学特征与地层环境意义

  2. 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。