Civil Thinking

Basalt lava flows

•Pahoehoe – lower viscosity, hotter → smooth

•A’a – higher viscosity, cooler, → rough

•Flows can travel long distances as surface crust insulates lava below it

Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

Leave a Reply

Your email address will not be published. Required fields are marked *