7R301764 Lava fracturing similar to columnar jointing?
Guatemalan highlands between Lago de Atitlán and Quezaltenango, 1975
Lava crystallizes as it cools forming columnar crystals of varying size and composition:
www.gi.alaska.edu/alaska-science-forum/columnar-jointing
Is the Namibia lava feature of Organ Pipes similar to this?
www.fodors.com/news/photos/10-jaw-dropping-basalt-formati...
Imperfectly formed like this lava in the Grand Canyon:
www.flickr.com/photos/manzanita-pct/5948406309/in/album-7...
Experimental
Original film image taken with Konica AutoreflexA w/Konica Hexanon AR lens. Digital image by Sony a7iiir with Konica Hexanon 55mm f3.5 macro lens. I reshot this slide as it was difficult to make the film flat enough to put the image in broad focus.
7R301764 Lava fracturing similar to columnar jointing?
Guatemalan highlands between Lago de Atitlán and Quezaltenango, 1975
Lava crystallizes as it cools forming columnar crystals of varying size and composition:
www.gi.alaska.edu/alaska-science-forum/columnar-jointing
Is the Namibia lava feature of Organ Pipes similar to this?
www.fodors.com/news/photos/10-jaw-dropping-basalt-formati...
Imperfectly formed like this lava in the Grand Canyon:
www.flickr.com/photos/manzanita-pct/5948406309/in/album-7...
Experimental
Original film image taken with Konica AutoreflexA w/Konica Hexanon AR lens. Digital image by Sony a7iiir with Konica Hexanon 55mm f3.5 macro lens. I reshot this slide as it was difficult to make the film flat enough to put the image in broad focus.