Showing posts with label flatirons. Show all posts
Showing posts with label flatirons. Show all posts
Thursday, February 29, 2024
Friday, July 8, 2022
Thursday, July 7, 2022
Saturday, July 2, 2022
The Flatirons in Boulder
Painted view of the Flatirons from Chautauqua in Boulder, stunning geological formations that remind you of the ages and the incredible energy of the crust of the earth movements over time
#mountains #eons #history #geologicalwonders #colorado #concepts #conceptsapp #conceptsketch #ipad #digital #dougwittnebel #fountainformation #sandstone #geology #colorado
Thursday, June 30, 2022
The flatiron sketch and the origin of the word flatiron in my sketchbook.
The Flatirons consist of sandstone, sandstone conglomerate or arkose, of the Fountain Formation. Geologists estimate the age of these rocks as 290 to 296 million years; they were lifted and tilted into their present orientation between 35 and 80 million years ago. The Flatirons were subsequently exposed by water and wind erosion over the eons.
Wednesday, June 29, 2022
Tuesday, June 28, 2022
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