Fossil fumaroles are cylinders of rock formed when gases rise through a pyroclastic flow. These can be seen near Tala, Jalisco.
© John Pint, 2011
Source article: Tala, Jalisco: A thousand-year-old Mexican city inside a geological wonderland
Fossil fumaroles are cylinders of rock formed when gases rise through a pyroclastic flow. These can be seen near Tala, Jalisco.
© John Pint, 2011
Source article: Tala, Jalisco: A thousand-year-old Mexican city inside a geological wonderland