So-called chatter marks formed by propagating cooling joints on #deccantraps #basalt columns #india #fieldwork http://pic.twitter.com/eDcmeqjFAe
— LoΓΏc Vanderkluysen (@loycvdk) March 23, 2016
via Twitter https://twitter.com/loycvdk
March 23, 2016 at 11:11PM
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