![]() ![]() Locality: Corona Arch, north of Bootlegger Canyon & east of the Colorado River, west of the town of Moab, eastern Utah, USA (38° 34' 47.66" North latitude, 109° 37' 12. Stratigraphy: Navajo Sandstone, Glen Canyon Group, Lower Jurassic It is not in Arches National Park, which is located northeast of here. The Corona Arch trail is a 3-mile round-trip hike to the famous (and currently quite festive) Corona Arch which stands impressively on the edge of a cliff and puts to shame many other famous. Though not in a National Park, its among the most spectacular in the area. This example is Corona Arch, also known as Little Rainbow Bridge. Corona arch is one of the largest arches near Moab. The trailhead to Corona Arch is located along the Potash Road Scenic Byway, State Highway 279 (junction located about 4 miles north of Moab). Very small erosional openings in rocks are called windows. Along lakeshores and ocean coastlines, they are called lake arches and sea arches. If no creek or river is present, it is a natural arch. ![]() If a creek or river passes underneath, it is a natural bridge. Rock arches are rare features - they form by differential weathering and erosion of many different types of rocks, but often sandstone. Laterally-equivalent units are known by other names, but are all the same deposit: Glen Canyon Sandstone, Nugget Sandstone, and Aztec Sandstone. The coloration is from hematite (Fe2O3 - iron oxide). The Navajo is a prominent cliff-forming unit in much of western America. These are eolian sandstones of the Navajo Sandstone, a thick, Mesozoic-aged unit representing ancient sand dune deposits. Natural arch developed in Jurassic sandstones in Utah, USA. ![]()
0 Comments
Leave a Reply. |