rwgabbro1:
Famous Pillow Lavas, Part 1: The US 41 Site West of Marquette, Upper Peninsula, Michigan, USA
rwgabbro1:
In and About Tuff Canyon, Part 2: Basal Pillow Basalt and Breccia, Big Bend National Park, Texas, USA
rwgabbro1:
Famous Pillow Lavas, Part 2: Close-up of the US 41 Site West of Marquette, Upper Peninsula, Michigan, USA
rwgabbro1:
Famous Pillow Lavas, Part 6: And a Close-up of the Boulder's Other Side, Ely, Minnesota, USA
rwgabbro1:
Exploring the Burro Mesa Locale, Part 4: A Columnar Close-up | Big Bend National Park, Texas, USA