Proterozoic dikes intruding Archean gneiss, GreenlandSeptember 25, 2023/in Igneous Rocks/by Marli Miller basaltic igneous intrusion https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png Marli Miller2023-09-25 06:12:092023-09-25 06:14:52Proterozoic dikes intruding Archean gneiss, Greenland