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  • Ignimbrite Welded Tuff £2.25£6.00 ex VAT

    Ignimbirte welded tuff is a pyroclastic rock of any origin formed through volcanic processes, the rock appears to show streaks of welded material on some surfaces and appears to be rhyolitic on the inside. Specimens come from Cumbria and are available in various sizes.

    We also supply Welded Tuff thin sections for microscope study which are available to buy HERE.

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    73 in stock

  • Volcanic Tuff £2.25£6.00 ex VAT

    Tuff from the Borrowdale Volcanic Group, Ordovician in age, the rock has a green colouration to it and a slate like cleavage, hence sometimes being known as volcanic slate, green slate or Borrowdale slate. Rock specimens are available in 3 optional sizes and will come supplied in a card tray with a label.

    We also supply Volcanic Tuff thin sections for microscope study which are available to buy HERE.

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    65 in stock

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