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Bluestone is a cultural or commercial name for a number of natural dimension or building stone varieties, including: basalt in Victoria , Australia, and in New Zealand dolerites in Tasmania , Australia; and in Britain (including Stonehenge )
All of the bluestone brooks, including Dugway Brook, are located in Bluestone Heights, a unique terrain area in Northeast Ohio's place between Appalachian Highlands and Central Lowlands. At the Bluestone Heights geographic center, Lyman Circle in Shaker Heights, is the singular source point for the six greater bluestone brooks.
Production of crushed stone from TFQ has remained a mainstay in construction projects in the area. The quarry has also begun other initiatives to supply the Valley with stone products. Most notably, the production of “The Valley’s Own Bluestone” has helped to resurrect the region’s Bluestone construction by providing it from a local source.
Bluestone (1 P) C. Columnar basalts (4 C, 21 P) Pages in category "Basalt" The following 27 pages are in this category, out of 27 total. This list may not reflect ...
The Keyser is a nodular limestone overlain by thick- and thin-bedded limestone and laminated limestone at its type locality in Keyser, West Virginia.. In central Pennsylvania, the basal "calico" limestone is a fossiliferous, medium-light- to medium-gray very thick bedded calcilutite containing numerous small irregular patches of clear calcite.
Diabase (/ ˈ d aɪ. ə ˌ b eɪ s /), also called dolerite (/ ˈ d ɒ l. ə ˌ r aɪ t /) or microgabbro, [1] is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro.
Blueschist on Île de Groix, France Photomicrograph of a thin section of blueschist facies metamorphosed basalt, from Sivrihisar, Turkey. Blueschist (/ ˈ b l uː ʃ ɪ s t /), also called glaucophane schist, is a metavolcanic rock [1] that forms by the metamorphism of basalt and rocks with similar composition at high pressures and low temperatures (200–500 °C (392–932 °F ...
Type B cycles were similar to type A cycles but were thicker and differed in other ways. The basal black shale is richer in coal and grades into siltier brown mudstone and then interbedded layers of siltstone, sandstone, and silty mudstone. The top of a cycle is characterized by a thick layer of rippling cross-bedded sandstone filled with root ...