Strata 2 DRB Detail of the rock layers of the Blue Lias Formation exposed in a cliff at Dunraven Bay on the Glamorgan Heritage Coast. There are alternating bands of darker-coloured shale and lighter-coloured limestone from the Jurassic Period. The differing rock types result from sedimentation at times when the sea-level was either higher or lower according to climate regimes between 195 and 200 million years ago at the end of the Triassic period and beginning of the Jurassic period.
Jessica's Nature Blog 
A geologist’s paradise.
Nice to hear from you again.
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Thanks, Dave. This beach was certainly a WOW moment. It gave me goose bumps when I first saw it.
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Me too – geology and the geological column is a fascination of mine
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A stratigraphic column is like a history book, isn’t it? 😊
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It is so interesting to look back through time and understand what happened by trying to read the rocks.
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