Latest Geology of the United Kingdom Stories
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By Schofield, D I Evans, J A; Millar, I L; Wilby, P R; Aspden, J A A new U-Pb date of 615.2 +- 13 (2sigma) Ma for the Twt Hill Granite, North Wales, contrasts with an Rb-Sr isochron age of 491 +- 12 (2sigma) Ma from the same body.
SOME of the region's wildlife-rich fields are in danger of being lost forever. Over the past 60 years, a staggering 97% of Britain's wildflower grasslands and meadows have been destroyed.
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