 Brickearths are periglacial loess, a wind-blown dust deposited under extremely cold, dry, peri- or postglacial conditions.The name arises from its early use in making house bricks, its composition being suitable for brick-making without additional material being added and unlike clay its bricks can be hardened (fused) at lower temperatures, including in wood-fired kilns.The brickearth is normally represented on 1