Exposure of light-blue volcanic ash (tuff) near a mineral vein in an old lead mine in Derbyshire

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Size: 4672px × 3104px
Location: Castleton, Derbyshire
Photo credit: © Phil Wolstenholme / Alamy / Afripics
License: Royalty Free
Model Released: Yes

Keywords: abandoned, adit, amygdaloidal, bedding, boulder, calcite, castleton, cave, caving, cavity, cross-bedding, derbyshire, derelict, displacement, district, exploration, fault, fissure, flooded, fluorite, fluvial, fracture, galena, heritage, historical, joint, lava, lead, limestone, lisa, mineral, miners, mining, moll, mud, peak, pickwork, plane, reef, rock, sediment, shaft, slop, stalactite, stemple, sump, tuff, tunnel, underground, vein, volcanic, wootton