Amber is not strictly a rock, although it is referred to generally as resinite and may contain the preserved remains of insects and other invertebrates. It is formed through the fossilisation of resin from ancient trees.
Ant trapped in amber. Picture by Mila Zinkova.
The Ancient Greeks named amber electrum, from to its ability to attract [...]
First described in 1853 by August Breithaupt, Jarocite (also Jarosite) is a complex mineral with the chemical formula KFe3+3(OH)6(SO4)2.
In January and February of 2010, beach deposits at Redcar – in an area roughly extending between the Information Center and Park Hotel – were stripped away by tidal scour revealing some infrequently exposed beds beneath the usual sand and pebbles.
At the base of the steps opposite the Information Center, and extending seaward for over [...]
Galena, or lead sulphide (PbS), is a shiny grey mineral and the main ore of lead. Also known as Silver-Lead, it can be found in Carboniferous and Palaeozoic rocks around the world. In Britain it is found in Derbyshire, Wales, Upper Teesdale, Weardale, Cornwall, Cumbria, and the Yorkshire Pennines.
Use of this mineral can [...]
Superb sea cliffs and rocky foreshore (scar) with extensive Lias Group exposures. Much geomorphological and industrial archaeological interest. The Cleveland Way passes along the cliff top. The coastal scenery is impressive.
Grid Reference NZ 690 127
BGS Sheet 34
OS Sheet 94
Forwarded as RIGS 30/09/2003
View of Freebrough Hill from the lay-by on the A171.
Site Description
Site Status
Description of Geodiversity: An outlier of nearby Moorsholm Rigg to the south with its summit reaching to 250m above sea level and 50m above the surrounding moorland. Freebrough Hill [...]