The limestone is highly fractured and contains abundant calcite and quartz veins.
Sporadic outcrops of ophiolite lithologies are surrounded by shale and limestone .
Thanks to the Grassington Festival I have learnt to build dry stone walls in limestone as he would have done.
Glaciers have deposited shale, slate, schist, and limestone throughout the region.
The geology here is alternating layers of limestone and shale topped with millstone grit.
In Jamaica, extensive bauxite deposits are found overlying limestone and dolomite.
To the east is a range of hills with limestone and sandstone plateaux, and on the east bank of the Gulf of Suez is the Sinai desert.
Geologists will thrill to the revelation of the layers of limestone , shale and sandstone.
The unit consists of limestone or calcareous mudstone and was deposited in a fully marine environment.
Everywhere sounded the drip of icewater, rubbing away at banded marble and rough limestone .