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Sierra Madera Astrobleme -- US 385 S of Fort Stockton, Pecos County TX
in Places of Geologic Significance
The Sierra Madera Astrobleme is a giant meteor crater in Pecos County Texas south of Fort Stockton TX
posted by: Benchmark Blasterz
location: Texas
date approved: 02/06/2017
last visited: 09/20/2016
SW55.4 km
Marathon Basin -- Fort Peña Park, Marathon TX
Important features of Marathon Basin are explianed at Fort Peña Park, south of Marathon TX
date approved: 02/04/2017
SW62.4 km
Los Caballos -- Ouachita Fold Belt, US 385 S of Marathon TX
A highway rest area and historic marker at a fascinating rock formation south of Marathon
date approved: 02/01/2017
last visited: 12/26/2016
S126.5 km
Landscapes in Stone -- Tornillo Flat, Big Bend NP TX
The amazing desert scenery along the main park road through Tornillo Flat holds a surprising secret: This area was once a swamp!
date approved: 01/31/2017
S128.6 km
Lava Dome -- Grapevine Hills Trail, Big Bend NP TX
The amazing scenery along the Grapevine Hills trail is a volcanic lava dome that turned into a laccolith and shattered into boulders
date approved: 01/30/2017
last visited: 12/25/2016
S144.8 km
Chisos Mountains -- Big Bend National Park TX
A sign along the Ross Maxwell Scenic Drive explains the volcanic origins of the Chisos Mountains
date approved: 01/28/2017
last visited: 12/24/2016
S145.8 km
Volcanic Origins -- Window Trail, Big Bend NP TX
The Chisos Mountains were formed by volcanic activity from 17-38 million years ago
S147.9 km
Volcanic Dikes - Big Bend NP, TX, US
Located in Big Bend National park along Ross Maxwell Scenic Drive.
posted by: Crazy4horses
date approved: 01/09/2017
last visited: 03/15/2017
S149.7 km
Boquillas Canyon -- Big Bend NP TX
Boquillas Canyon is an amazing show of what a little water and a little grit, and a little pressure can do to solid rock
S151.6 km
Boquillas Formation -- Big Bend NP TX
The waymark coordinates are for the pictographs on the sedimentary cliff walls of the Boquillas Formation at Boquillas Hot Springs
last visited: 03/16/2017
S152.1 km
Burro Mesa Pouroff -- Big Bend National Park, Brewster County TX
The pouroff (dry waterfall) at Lower Burro Mesa is in a dry wash that fills with flash floods, resulting in a dramatic waterfall that has carved unusual features this box canyon
date approved: 01/27/2017
last visited: 10/03/2023
S153.4 km
Goat Mountain -- Big Bend NP TX
Much of Big Bend National Park was formed by the action of volcanoes, long since dormant. One of those old volcanoes created Goat Mountain
S160.5 km
Mule Ears Peaks - Big Bend NP TX
The famous Mule Ears Peaks at Big Bend, so named because . . . well, duh