Two mechanisms of microbial carbonate precipitation

  title={Two mechanisms of microbial carbonate precipitation},
  author={J. C. Deelman},
Puddles formed on loess soil are known to fissure up on drying [1]. The irregular, dish-like, concave pieces thus formed may reach a 100cm 2 area and are from l m m to l c m thick (Fig. 1 a). They are formed by sedimentation; their upper fine layer contracts more quickly than the rest and the pieces break away from the soil beneath. I took some such fragile… CONTINUE READING