HTH

Sheila.



Abstract - [ Traduzca esta página ]
... These fossils are mostly preserved in the marlic (marled) calcareous, calcareous
marl and shale. ... In such conditions calcareous rocks were dissolved ...
www.biodiversity.ir/nbsap/workshop/ Abstract/Abstract.htm - 59k - En caché - Páginas similares

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Note added at 2002-10-10 17:05:27 (GMT)
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Or perhaps calcareous marl?


Black shale pictures - [ Traduzca esta página ]
... Alternation of harder and softer calcareous marl at 8-14 m. Facies change from softer
dark grey marls to harder calcareous marls (rucksack for scale) at 9-12 m. ...
www.blackshale.com/pics/agadir.htm - 10k - En caché - Páginas similares

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Note added at 2002-10-10 17:07:26 (GMT)
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There are many references to calcareous marl. Have a look and see if this would fit.

HTH

Sheila

http://www.google.com/search?q=calcareous marl&hl=es&lr=&ie=...