Old Red Sandstone

The Old Red Sandstone is a large group of rocks of late Silurian and Devonian age. They were formed in a semi-arid desert environment which has given them their conspicuous red colouring through the intense weathering of iron-bearing minerals. Nevertheless, they are highly variable in outcrop with red, green, purple or brown colourings, coexisting in […]

Ross Stone (Brownstones Formation) - Royal Hotel, Ross-on-Wye

Ross Stone

January 1, 201312:00 pmMay 26, 2016 9:02 am

Quarried from the river cliff at Ross-on-Wye, ‘Ross Stone’ is a soft, deep chocolate brown-coloured, medium-grained sandstone from the Brownstones Formation. Green-grey reduction spots and stripes in the rock are very common and pebbles of quartz or mud intraclasts are often present. The sandstone is used extensively in the older buildings of Ross-on-Wye, as well […]

Outcrop of Quartz Conglomerate Formation , Coppett Hill (courtesy John Stocks)

Quartz Conglomerate

January 1, 201312:00 pmMay 26, 2016 9:07 am

Coarse conglomerates and red sandstones with rounded pebbles of quartz and other lithologies. Likely used in some buildings in Goodrich although difficult to distinguish from a similar layer in the Brownstones which outcrops in Goodrich Castle moat. Also used in some local buildings on Penyard Hill above Ross. Notable use was made of the Quartz […]