jmkhiggs Posted March 19, 2012 Share Posted March 19, 2012 I'm just not very knowledgeble about geology even in my area, and am wondering if anyone knows the typical era of strata that's exposed on the lower Potomac River. My finds are really cool to me, but I'd like to know more about it all. Link to comment Share on other sites More sharing options...
Gizmo Posted March 19, 2012 Share Posted March 19, 2012 Mostly Miocene Era below the 301 bridge. November, 2016 April, 2019 Link to comment Share on other sites More sharing options...
jmkhiggs Posted March 19, 2012 Author Share Posted March 19, 2012 Thanks Gismo. Very helpful. Link to comment Share on other sites More sharing options...
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