Zuellig, and J.A. (2006). This page was last edited on 5 May 2020, at 02:45. Many summits exceed 13,000 feet (4,000 metres), including Grays Peak (14,278 feet [4,352 metres]), which is the range’s highest mountain. Ninety percent of the planet's marine life was destroyed and a great deal on land as well. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... You may be familiar with New York and Nebraska, but are there 11 U.S. states with names that begin with the letter "N?" Front Range, a contemporary bluegrass band, has set itself apart with lush three-and four-part harmonies, distinct instrumentation, and engaging live performances. Colorado eventually drained from being at the bottom of an ocean to land again, giving yield to another fossiliferous rock layer, the Denver Formation. Updates? Wind, gravity, rainwater, snow, and ice-melt supplied rivers that ultimately carved through the granite mountains and eventually led to their end. Avoid outdoor activity and keep windows closed, especially those sensitive to poor air quality. The Front Range is a mountain range of the Southern Rocky Mountains of North America located in the central portion of the U.S. State of Colorado, and southeastern portion of the U.S. State of Wyoming. Front Range The Front Range is a region in the US state of Colorado.It includes the range of the Rocky Mountains that gives it its name, as well as the Eastern Slope with communities in … The second is the former Denver & Rio Grande Western Railroad Moffat Route, which runs parallel to the Colorado River and through the 6.5-mile-long Moffat Tunnel. Front Range, easternmost section of the Southern Rocky Mountains in the west-central United States. This formation began right after Earth's largest extinction 251 million years ago at the Permian–Triassic Boundary. This formation can be best attributed to its wavy layers of muddy limestone and signs of stromatolites that thrived in a smelly tidal flat at present-day Colorado. Other high peaks include Mount Evans (14,265 feet [4,348 metres]), about 35 miles (55 km) west-southwest of Denver, and Pikes Peak (14,115 feet [4,302 metres]), just west of Colorado Springs; each has a paved road to its summit. The Front Range is a mountain range of the Southern Rocky Mountains of North America located in the central portion of the U.S. State of Colorado, and southeastern portion of the U.S. State of Wyoming. The sediment from these mountains lies in the Fountain Formation today. [2] While this time period boasts many types of plants, grass had not yet evolved. Longs Peak, Mount Evans, and Pikes Peak are its most prominent peaks, visible from the Interstate 25 corridor. The Front Range is a steep mountain range that reaches down deep into central Colorado from southern Wyoming. . [2], Suddenly, 37 million years ago, a great volcanic eruption took place in the Collegiate Range and covered the landscape in molten hot ash that instantly torched and consumed everything across the landscape. Sheets of ripple marks can be seen on some of the strata, confirming the shallow-sea environment. [2], Over the next 30 million years, the region was finally taken over by a deep sea, the Cretaceous Western Interior Seaway, and deposited mass amounts of shale over the area known as the Pierre Shale. Along with the roads that run through the Front Range, the Union Pacific Railroad operates two rail lines through the mountains. The mountains are composed largely of gneiss, schist, and granite. [2] This was the last step in forming the present-day geologic sequence and history of today's Front Range.[2]. Mountain range of the Southern Rocky Mountains of North America, The elevation of this summit has been converted from the, "Road Status Report - Rocky Mountain National Park (U.S. National Park Service)", Iron Mountain (Costilla/Huerfano Counties), Denver-Aurora-Lakewood, CO Metropolitan Statistical Area, https://en.wikipedia.org/w/index.php?title=Front_Range&oldid=954940482, Wikidata value to be checked for Infobox mountain, Pages using infobox mountain with multiple parameters, Creative Commons Attribution-ShareAlike License. [2], The Denver Formation contained fossils and bones from dinosaurs like Tyrannosaurus rex and Triceratops. Dupree. However, as seen before, life rebounds, and after a few million years mass floods cut through the rhyolite and eroded much of it as plants and animals began to recolonize the landscape. Lying largely within conservation areas, the Front Range constitutes the whole of Rocky Mountain National Park and occupies portions of Pike, Arapaho, Routt, Roosevelt, and Medicine Bow national forests. Let us know if you have suggestions to improve this article (requires login). Both the thick section of shale and the marine life fossils found (ammonites and skeletons of fish and such marine reptiles as mosasaurs, plesiosaurs, and extinct species of sea turtles, along with rare dinosaur and bird remains).

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