Monthly Archives: October 2014

Oxford Ochre – An English Artists’ Pigment

The Oxford Ochre deposits are derived from a series of quartz and iron-rich sands of Lower Cretaceous, probably Valanginian age, the Whitchurch Sand Formation[1]. It overlies the Jurassic Purbeck, Portland and Kimmeridge Clay Formations. The Whitchurch Sands extend from Wiltshire … Continue reading

Posted in Artists' Pigments, Colour, Geology, Minerals, Ochre, Oxford | Tagged , , , , | Leave a comment