Worcester

Tufa

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

A porous variety of limestone similar to travertine, formed by flowing water containing large amounts of dissolved calcium carbonate precipitating over moss and other vegetation. It is easy to saw when wet but dries to a strong, light building stone which is used wherever it is found. Notable areas of formation and use are the […]

Iron nodule in Highley Sandstone (Halesowen Formation), Worcester Cathedral

Halesowen Formation

January 1, 201312:00 pmMay 26, 2016 9:11 am

Carboniferous sandstones found in North Worcestershire from Highley to Abberley. Generally greenish to buff, the stone is commonly micaceous and cross-bedded and marked out by the frequent occurrence of small nodules of iron which appear as dark spheres or irregular patches which tend to protrude from the surface. Orange goethite iron staining, particularly on joint […]

Alveley Stone

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

In general this is a fine-grained well sorted sandstone often showing cross-bedding. In colour it is crimson to dull brownish-red, chocolate, purple and lavender sandstone from the Carboniferous age Salop Formation (Alveley Member). Quarried near Alveley, North Worcestershire, the main quarry is just outside the village. Hextons Quarry just north of Upper Arley also supplied […]

Hadley Stone

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

A grey variety of Bromsgrove Sandstone quarried at Hadley, near Ombersley, since before 1800. There is also a smaller amount of red sandstone in the quarry, mottled with the grey. The stone has small patches of harder cement which appear as slightly protruding paler patches about 0.5cm across. Also occasionally present are fragments of carbonised […]

Jurassic Blue Lias siltstone, Rainbow Hill, Worcester

Blue Lias

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

A blueish-grey lime mudstone used quite widely in South Worcestershire. Few if any traces remain of the quarries which were presumably backfilled and now lie under agricultural land. Originally most building may have been rendered as The Lias generally weathers quite poorly when exposed. It is easily recognised by its pale blueish colour, thin tabular […]