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The Fort Riley Limestone is a Kansas Permian stratigraphic unit of member rank and historic building stone, sold commercially as fine-grained Silverdale, having at one time been quarried at Silverdale, Kansas. [4]
Stone was extracted by the "room and pillar" method, by which chambers were mined, leaving pillars of stone to support the roof. [1] These mines were once owned by Postmaster General Ralph Allen (1694–1764). The mines contain a range of features including well preserved tramways, cart-roads and crane bases.
According to Marble.com, in 2016 there were 276 quarries producing natural stone in 34 states, and states producing the most granite were Texas, Massachusetts, Indiana, Wisconsin, and Georgia. [1] The term "quarry" refers also to sites producing aggregate, molding sand, or other resources besides cut stone.
In 1908 the total value of sandstone quarried in Orleans County was $408,287 of which “street work” stone accounted for about 85% of the total and the remaining 15% was building stone. [ 5 ] In 1902 many of the individually operated quarries totaling nearly 2,000 acres were consolidated in the Medina Quarry Company.
The highest quarries were at Rammius at 1,438 metres (4,718 ft). Quarried stone had to be dropped down slipways to the wadi below. [6] The central complex had a workers' settlement, a fort, temples to Sarapis and Isis Megiste, a bath with a hypocaust and a cemetery. [1] [7] The temple of
The Carbaugh Run Rhyolite Quarry Site is an archaeological site in Franklin Township, Adams County, Pennsylvania, United States. It is composed of two smaller sites: a group of small quarries on top of Snaggy Ridge, and the remnants of what may have been a campsite along Carbaugh Run below the ridge.
The quarry was renamed Torr Works (after Ron Torr, the Chief Engineer) on 19 August 1970. [3] It has been operated by Aggregate Industries since their take over of Foster Yeoman in 2006. [4] The site employs over 250 people and produces 7.5 million tonnes of limestone annually which is carried directly from the quarry by Mendip Rail. [5]
Greenfoot Quarry is a Site of Special Scientific Interest in the Wear Valley district of west County Durham, England. It is a disused quarry in the Wear valley , 1 km upstream from the village of Stanhope .