Slate is a homogeneous, metamorphic rock formed by low pressure and temperature compared to some other metamorphic rocks, originally formed from a ...Dynamic Ceramics Limited
Slate is available in many forms. Chippings in 25kg. Bags in green, plum or Cornish blue/grey, natural slate walling and paving, slate feature stones ...Nailsea Patio Supplies
A slate originates from river sediment and exists through the action of compression and heat. Certain English green slates originated as volcanic ash ...Stonecraft
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