From Instagram: For #thinsectionthursday we have a thin section of dolerite from Ramore… https://t.co/5hvlbk5Jfg http://pic.twitter.com/Z5OKEsmrR5
— BGS (@BritGeoSurvey) January 21, 2016
via Twitter https://twitter.com/BritGeoSurvey
January 21, 2016 at 05:39PM
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