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New Red Sandstone
(Encyclopedia) New Red Sandstone, name for the thick red layer of the Triassic formation in Great Britain (see Triassic period). It is many thousands of feet thick and is composed chiefly of red…Jedburgh
(Encyclopedia) JedburghJedburghjĕdˈbərə [key], town (1991 pop. 4,053), Scottish Borders, SE Scotland, on the Jed River. The manufacture of rayon is the main industry. Jedburgh also has tannery,…Mansfield, city and district, England
(Encyclopedia) Mansfield, city (71,325) and district, Nottinghamshire, central England, on the western border of Sherwood Forest. The city lies in a coal district, with manufactures of hosiery, shoes…Chimney Rock National Monument
(Encyclopedia) Chimney Rock National Monument, 4,726 acres (1,913 hectares), SW Colorado; est. 2012. Located in San Juan National Forest, it is bordered by the Southern Ute reservation. Within the…Dells of the Wisconsin
(Encyclopedia) Dells of the Wisconsin,&sp;The Dells, or The Wisconsin Dells, scenic part of the Wisconsin River, central Wis., NW of Portage. The river has cut a deep gorge through 8 mi (12.9 km…Cambrian period
(Encyclopedia) Cambrian period [Lat. Cambria=Wales], first period of the Paleozoic geologic era (see Geologic Timescale, tablegeologic timescale, table) extending from approximately 570 to 505…Pocono Mountains
(Encyclopedia) Pocono MountainsPocono Mountainspōˈkənō [key], range of the Appalachian system, c.2,000 ft (610 m) high, NE Pa. Forested and having many lakes and streams, the Poconos are a major…bluestone
(Encyclopedia) bluestone, common name for the blue, crystalline heptahydrate of cupric sulfate called chalcanthite, a minor ore of copper. It also refers to a fine-grained, light to dark colored blue…artesian well
(Encyclopedia) artesian well, deep drilled well through which water is forced upward under pressure. The water in an artesian well flows from an aquifer, which is a layer of very porous rock or…Triassic period
(Encyclopedia) Triassic periodTriassic periodtrīăsˈĭk [key], first period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table) from 205 to 250 million years…Trending
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