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Clay pit in Britain. A clay pit is a quarry or mine for the extraction of clay, which is generally used for manufacturing pottery, bricks or Portland cement. Quarries where clay is mined to make bricks are sometimes called brick pits. [1] A brickyard or brickworks is often located alongside a clay pit to reduce the transport costs of the raw ...
A stock or stock board is an iron-faced block of wood fixed to the surface of the moulder's bench. The brick mould fits over the stock; the brick maker fills the mould with prepared clay and cuts it off with a wire level with the top of the mould, before turning out the 'green' brick onto a wooden board called a pallet for drying and firing. [1]
A clay pit owned by the company at Ibstock. The company was founded in 1899 at Ibstock in Leicestershire as a coal mining business. [2] It bought Redland's brick manufacturing business in 1996. [3] CRH bought a majority stake in the business in 1998 and the balance of the shares in October 2011. [4]
Clay engineering bricks are defined in § 6.4.51 of British Standard BS ISO 6707-1;2014 (buildings & civil engineering works - vocabulary - general terms) as "fire-clay brick that has a dense and strong semi-vitreous body and which conforms to defined limits for water absorption and compressive strength".
Accrington bricks, or Nori, [1] are a type of iron-hard engineering brick, produced in Altham near Accrington, Lancashire, England from 1887 to 2008 and again from 2015. [2] They were famed for their strength, and were used for the foundations of the Blackpool Tower and the Empire State Building .
Larger land rigs must be broken apart into sections and loads to move to a new place, a process which can often take weeks. Small mobile drilling rigs are also used to drill or bore piles. Rigs can range from 100 short tons (91,000 kg) continuous flight auger (CFA) rigs to small air powered rigs used to drill holes in quarries, etc. These rigs ...
In North America, placer mining was famous in the context of several gold rushes, particularly the California Gold Rush and the Colorado Gold Rush, the Fraser Canyon Gold Rush and the Klondike Gold Rush. Placer mining continues in many areas of the world as a source of diamonds, industrial minerals and metals, gems (in Myanmar and Sri Lanka ...
On the Toronto Stock Exchange, Kirkland Lake Gold was promoted to the S&P/TSX 60 index effective September 23, 2019. [11] Within a few months, the company acquired Detour Gold in a $4.9-billion purchase. [12] In February 2022, Kirkland Lake Gold merged with Agnico Eagle Mines Limited in an all-stock deal with Kirkland's stocks being delisted. [13]