Web371 of 564. Ganado, Arizona Badland erosion exposes colorful shales in the Chinle Formation, north of Ganado, Arizona. The geology of the Little Colorado River Valley in eastern Arizona, including Petrified Forest Nationa Park, is characterized by widespread exposures of Triassic and Jurassic terrestrial sedimentary rocks. WebNov 18, 2024 · Pg. 223 (table 1), 228. Petrified Forest member of Chinle formation. Upper part light-red and brown, irregularly bedded sandstones and sandy, argillaceous, …
Chinle Visit Arizona
WebRanch-San Ysidro area, the Chinle Formation is 400-1,300 feet (122-396 m) thick (Fig. 1) and is bounded at the base and top by regional unconformities. The unconformities … WebChinle Formation (Late Triassic) at surface, ... Includes a small amount of andesite, dacite, and rhyolite. Rocks of this map unit are largely restricted to six areas widely distributed in Arizona: San Francisco and Uinkaret volcanic fields in northern Arizona (0-4 Ma); Springerville (0-4 Ma) and San Carlos (0-2 Ma) volcanic fields in east ... cshb insurance
Our Geological Wonderland: A record of ancient environments
WebThe dark red rocks of the Moenkopi Formation were deposited during the Triassic period. The erosion of sandstone and siltstone has exposed fantastic formations, including … WebJan 4, 2010 · Chinle Formation: Church Rock Member: 0-25: Brown massive fine- to medium-grained sandstone. Owl Rock Member: ... CHINLE FORMATION. Intertonguing fluvial mudstone, sandstone, and siltstone units of red, blue, and gray hues are combined in the Chinle Formation of the Circle Cliffs area. In ascending order the units are the … WebThe dark red rocks of the Moenkopi Formation were deposited during the Triassic period. The erosion of sandstone and siltstone has exposed fantastic formations, including Balanced Rock, which is visible from the White Rim Road. The unit of rock above the Moenkopi Formation is called the Chinle Formation. eagan eye clinic cottage grove mn