Sentence examples for mainly of limestone from inspiring English sources

They are composed mainly of limestone and sedimentary rocks.

The Karawanken, consisting mainly of limestone, is crossed by road at Wurzen, Loibl, and Seeberg passes.

Composed mainly of limestone, the mountains are bounded by the Fella River and Sella di (Pass of) Camporosso (northwest) and by the Sava River (north and east).

These rocks consist mainly of limestone interbedded with marl and clay.

He concluded that Jeribe Formation belongs to the Miocene Langhian subcycle and composed mainly of limestone and dolomite with thin interbeds of anhydrite.

The lower unit (substrate), consisting mainly of limestone, with siliciclastic deltaic and palustrine beds, was altered to different degrees by weathering/pedogenesis.

The section is cyclic but consists mainly of limestones and dolomitic mudstones with intercalated siltstones.

The Middle Devonian and lower Upper Devonian (that is, the Eifelian, Givetian, and Frasnian stages, whose former type sections are here) structures consist mainly of limestones and shales and reach at least 1,500 metres (4,900 feet) in the south.

Mainly composed of limestone, the 57 islands and islets cover a land area of 188 square miles (487 square km) and are scattered over 44,000 square miles (114,000 square km) of the South Pacific.

Carbonate stones mainly consisted of limestone or dolomite serves as an unusual niche for the fungal communities.

These formations are mainly composed of limestone, dolomitic limestone, and marls underlying generally Permo-Triassic formations composed of red clays and doleritic basalts, and covered in places by Quaternary terraces.