📰00How do you tell the difference between volcanic clastic and fine grained intrusives ?Reddit r/geology·u/Iddingsite·about 1 month ago#S2VubPot#tell#grained#difference#volcanic#clastic#article+2 more🧰Tag tools✨Add tagI am working on a drilling program and I struggle to tell the difference between intermediate/felsic volcanic clastic rocks with quartz grains in them and very fine grained intrusives like dolerite.… Read more15s0Read later0Read More