It is perhaps best known for its paving stone and has been used to pave most of the major towns and cities in the UK. As well as paving stone for footpaths, patios and driveways, it is used for stone walling, stone steps, cobbled paving , rockery gardens, and garden stone ornaments.
From prehistoric deposits to quarried stone
Yorkstone is sedimentary sandstone formed over 300 million years ago in the Carboniferous period as silt deposited by rivers, and authors of quartz, mica, feldspar, silica, clay and iron oxides. It was first interviewed in Yorkshire in medieval times and by the 18th century The first quarries or # 39; delves & # 39; being developed in the outcrop on the valley sides and later began to move underground into large chambers or galleries. Deep Yorkstone quarries and mines became possible introduction of gins and steam cranes and the earliest shafts were sunk in Hipperholme, close to Halifax in about 1860.
Versatile and durable
Another early use was for roofing, made from split stones known locally askkone or gray slate. Yorkstone & # 39 Its versatility and durability led to its use in a huge range of building projects from footpaths, roads and dry stone walling to churches, s fame really took off with the need for paving stone in the rapidly expanding towns and cities of the industrial revolution. cathedrals, bridges, houses and skilfully carved monuments.
Types of Yorkstone
The sandstone blocks are included into the main categories. ___ ___ ___ 0 ___ ___ 0 ___ ___ ___ 0 This block is referred to as flagrock or flag block. This type of block is referred to as ashlar block and is used for sawn Yorkstone products such as sawn Yorkstone paving, building masonry and carved ornaments and sculptures.
Stone for rockeries
Another layer is made up of hard-wearing standing paving or sawing due to its shape. Clay, mudstone, siltstone and soft shale make up the rest of the layers in the Yorkstone quarry.
Yorkstone colors
This color of Yorkstone depends on the minerals within its makeup and differs from quarry to quarry. Quarried blocks are rusty red to brown in color outside the outside and are usually a sandy yellow color on the inside. This sandy color can clearly be seen on the inside of the blocks when they are sawn into Yorkstone slabs or riven into Yorkstone paving. Orange bands known as concretion lines can also be seen on the inside of the blocks are exposed with sawing or rival.
Traditional skills at the quarry
The quarrymen who work the Yorkstone are known as & # 39; Delph, delf or delver comes from the Anglo Saxon word & # 39; delfan & # 39; which means to dig. Delivers Arms & # 39; Delivers Cottage & # 39; and & # 39; Delta Cottage & # 39; and & # 39 Delph Hill & # 39; are just a few examples.
