nodular marls

Mira otros diccionarios:

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

• Toarcian Stage — ▪ geology       uppermost of the four divisions of the Lower Jurassic Series, representing all rocks formed worldwide during the Toarcian Age, which occurred between 183 million and 175.6 million years ago during the Jurassic Period. The Toarcian …   Universalium

• Mareuil Anticline — The Mareuil Anticline, also called Mareuil Meyssac Anticline, is a structural high within the sedimentary sequence of the northeastern Aquitaine Basin. The northwest southeast trending anticline was caused by tectonic movements probably starting… …   Wikipedia