Carbonate hardgrounds were thus very common, along with calcitic ooids, calcitic cements, and invertebrate faunas with dominantly calcitic skeletons (Stanley and Hardie, 1998, 1999).

 
  • 著名的地点包含英国南部的侏罗纪海岸,以及德国的晚三叠纪候斯玛登与索伦霍芬地层。
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