In to the heart of the volcano
by David Tanner, Leibniz Institute for Applied Geophysics (LIAG), Hannover, Germany
Columnar basalt from the core of an extinct Miocene volcano, one of many in western Hessen.
Taken on 19
Submitted on 22 June 2016
Credit: David Tanner (distributed via imaggeo.egu.eu)
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