taken 13 years ago, near to Castleton, Derbyshire, England
Cave Dale Lava
A small outcrop of poorly columnar basalt, roughly 20m thick. This particular section is 'massive' although some is amygdaloidal (the vesicles or air bubbles have been infilled with a mineral after cooling, like calcite). This distinguishes different lava flows.
Image classification
(about):
Geograph
This page has been
viewed about
183 times