File:Brick types.jpg
Left: Distinctive durable bluebricks are made in the west midlands by firing iron-rich Etruria Formation clays in a reduced oxygen atmosphere. Right: Typical London stocks derive their characteristic colour and texture from a combination of brickmaking materials which occur along the Thames estuary. (Photo: iStock.com/ultraforma). Source: The influence of geology on English brickmaking in Context 143, published by the Institute of Historic Building Conservation (IHBC) in March 2016, written by Andrew Bloodworth, science director for minerals and waste at the British Geological Survey, published with permission of the executive director, British Geological Survey. http://ihbconline.co.uk/context/143/28/#zoom=z
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current | 07:57, 14 November 2021 | 1,245 × 850 (655 KB) | Designing Buildings (Talk | contribs) | (Left: Distinctive durable ‘blue’bricks are made in the west midlands by firing iron-rich Etruria Formation clays in a reduced oxygen atmosphere. Right: Typical London ‘stocks’ derive their characteristic colour and texture from a combination of br) |
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