The exploitation of mineral deposits always creates debates around economic necessity versus environmental preservation. Fracking for gas in the Karoo region of South Africa is currently vigorously ...
The eruption of these lavas ended a protracted period of accumulation of sedimentary material from 300 to 180 million years ago - sand (now yellow sandstone), clay (now blue-black shale) and organic ...
Sarah Moss explores the nature of igneous rocks. She talks about basalt and dolerite, the fire rocks that created Antrim's Giant's Causeway and Lindisfarne in Northumberland. Show more 'Igneous rock' ...