The Geology of the Ice Age Trail | University Place

[@Anyreck]

Wonderful information expaining the continental icesheetsand their effects on the US landscape

[@flyinglizards80]

Fantastic

[@gerryjamesedwards1227]

Are the gaps in the rock-record due to periods where erosion was taking place rather than deposition?

[@bobbobby3085]

Yes there are they are called an 'unconformity'

[@skipsassy1]

climate change facts