Wikimedi'Òc

Olivine gabbro (Pigeon Point Sill, Mesoproterozoic, ~1.1 Ga; Pigeon Point, Minnesota, USA) (40770721514).jpg - Qtz arenite

Autobrecciated amygdaloidal quartz tholeiite basalt aa lava flow top (flow B, Two Harbors Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Burlington Bay, Two Harbors, Minnesota, USA) 10 (22290736859).jpg - Ser Amantio di Nicolao

Olivine tholeiite basalt lava flow at Gooseberry Falls - Lower Falls (Gooseberry River Basalts, North Shore Volcanic Series, Mesoproterozoic, 1097-1098 Ma; Gooseberry Falls State Park, Minnesota, USA) 1 (22510169085).jpg - Ser Amantio di Nicolao