Ancient volcano-Nglanggeran, in Yogyakarta, Indonesia
The outcrop of volcanic rocks for instance lava, breccia and tuff have indicated the presence of ancient volcano about million years ago. The huge volcanic rocks come up on karst area.
Taken on 1
Submitted on 01 March 2016
Credit: Erwin Prastowo (distributed via imaggeo.egu.eu)
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