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Deposits Mag

Deposits Mag

Fossils, geology and minerals. The highly acclaimed international earth science magazine with over 600 articles and book reviews.

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Tag: rhyolites

Features in the field: Ignimbrites of the Yr Arddu syncline
geology minerals wales

Features in the field: Ignimbrites of the Yr Arddu syncline

08/06/2017

Stephen K Donovan (The Netherlands) In July 1979, I was one of more than 20 undergraduate students at the Department of Geology, University of Manchester, to undertake their final year mapping project in the Snowdonia National Park in North Wales. My mapping area was the Yr Arddu Syncline, about 4km … Read More

igneous rockrhyolitessandstone
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