
Eighteen people met at the car park in Skinningrove on a bright and breezy August morning to take a walk along the foreshore to the remains of Hummersea alum house and back over the cliff top on the Cleveland Way.
Discussing and searching for the abundant fossils able to be found on the scar.
The group consider [...]

Twenty-four members of the public met near Boulby Potash Mine on a bright and breezy Spring day to explore the alum quarries and former works at Boulby.
The group stops at Boulby Grange, site of the former alum house.
The group stops to inspect the route of the alum liquor trough near Rockhole Hill.
On the edge of [...]

In fine weather, twenty members of the public turned out on this walk around the Littlebeck area…
Meeting at the car park near Midge Hall.
The walk commences in beautiful ancient deciduous woodland.
The woods have a geat number of interesting fungi at this time of year.
Beth relates the history of ‘The Hermitage’.
The Hermitage – carved out of [...]

Nineteen people attended this walk on a bright day in March….
Former alum quarries extending along the cliffs from Sandsend. Photograph by Peter Appleton.
Cleveland Way above Keldhowe Steel looking toward Kettleness.
View of Kettleness quarry from the Cleveland Way.
Kettleness quarry in the foreground and the coast north toward Staithes.
Beth speaking at Kettleness Railway Station.
View of St. John’s [...]

Introduction.
Over the past year the RIGS Group have been working in collaboration with Tees Valley Wildlife Trust (TVWT) to run a two year project entitled Alum, Alchemy & Ammonites funded by an Heritage Lottery Fund grant and led by Beth Andrews. Its aim is to popularise, and educate interested [...]
Alum Shale occurs within the upper 35 metres or so of the Whitby Mudstone Formation. A suite of rocks that originated as soft sediment accumulating on the floor of an ancient sea (the Tethys) which occupied this area between c.188 million and c.182 million years ago during the late Lower Jurassic phase of Earth’s geological [...]
By admin on June 1, 2009 |

The Alum Trade
The Alum Shale Member forms the upper part of the Whitby Mudstone Formation and was deposited in a reasonably well-oxygenated marine environment around 186 million years ago.The shales were extensively quarried between c.1604 and 1871 for the Alum trade which flourished here on the coast [...]

Rocks of Jurassic age crop out exclusively south of the River Tees, with both Lower and Middle Jurassic successions well represented. The rocks indicate an episode of marine sedimentation, represented by the Lias Group, followed by alternating cycles of deltaic and marine sedimentation represented by the overlying Ravenscar Group.
Marker on the Cleveland Way east of [...]