2007
SH6956 : Glacially smoothed volcanic tuffs
taken 17 years ago, 3 km from Capel Curig, Conwy, Wales
Glacially smoothed volcanic tuffs
The tuffs here are made of rock fragments blasted out of a volcano millions of years ago and which became welded together. During the Ice Age these outcrops were ice-smoothed.
Image classification
(about):
Geograph
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