CONNOR: Good thinking! I read a bit about limestone on the bus journey. Limestone is a sedimentary rock created by layers of skeletons and shells of sea creatures found in ancient, warm ...

These sediments become compacted to form a new type of rock called sedimentary ... the Marble Arch Caves are situated in a limestone area. Limestone is a sedimentary rock made up of bits of ...

Gravel, on the other hand, is like a melting pot of a lot of different rock pieces, including limestone, basalt, and ...

Limestone and travertine are both natural rocks with soft matte appearances, subtle variations, and a sophisticated, timeless feel. In other words, it’s the quiet luxury of stone. Limestone also ...