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The Mesaverde Formation was first described by W.H.Holmes in 1877 during the Hayden Survey.Holmes described the formation in the northern San Juan Basin as consisting of three units, which were a "Lower Escarpment" consisting of 40 m of ledge- and cliff-forming massive sandstone; a "Middle Coal Group" consisting of up to 300 m of thick slope-forming sandstone, shale, marl, and lignite; and an ...
The Mesa Verde Visitor and Research Center is located just off of Highway 160 and is before the park entrance booths. The Visitor and Research Center opened in December 2012. Chapin Mesa (the most popular area) is 20 miles (32 km) beyond the visitor center. [141] Mesa Verde National Park is an area of federal exclusive jurisdiction.
Although the Mesa Verde National Park contains the largest and best known ruins of the Pueblo peoples, there are many other community centers in the central Mesa Verde region dating to the period between 1050 and 1290 AD. This is a huge area covering over 150,000 square miles (390,000 km 2). [3]
Point Lookout is an 8,427-foot (2,569 meter) elevation sandstone summit located in Mesa Verde National Park, in Montezuma County of southwest Colorado. [3] This prominent landmark is situated 2 miles (3.2 km) south of the park entrance, and 9.3 miles (15.0 km) east-southeast of the town of Cortez, and towers 1,600 feet above the surrounding terrain of Mancos Valley.
The Cliff House Sandstone was first described by W.H.Holmes in 1877 during the Hayden Survey as the "Upper Escarpment" of the Mesaverde Formation. [6] A.J. Collier redesignated this unit in 1919 as the Cliff House Sandstone and raised the Mesaverde Formation to group rank.
The sandstone was first described by A. J. Collier for exposures in cliffs at Point Lookout, in Mesa Verde National Park, Montezuma County, Colorado, in the Paradox Basin, [6] and later described by Allen and Balk in 1954 as part of the Mesaverde Group in the San Juan Basin in New Mexico. [7]
Like the people of Mesa Verde, the residents of Natural Bridges seem to have left the region around the year 1270. [ 5 ] Europeans first visited the area in 1883 when gold prospector, Cass Hite followed White Canyon upstream, from the Colorado River, and found the bridges near the junction of White and Armstrong canyons.
The Verde district at Jerome, in Yavapai County also preserves rocks from this period. There, ancient submarine hydrothermal vents precipitated sulfides directly onto an ancient seabed, creating massive copper and zinc ore sulfide deposits. The Mazatzal orogeny occurred from 1.7 to 1.61 billion years ago.