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Birk Brow Quarry
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...
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Category Archives: Whitby Mudstone

June – Alum Shale

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 | Leave a comment

November – Ammonite

Ammonites are coiled relatives of the octopus (Cephalopods) and became extinct at the end of the Cretaceous Period around 65 million years ago. Below is an image of a Harpoceras, which lived during the Jurassic Period. These fossils can be found in the Upper Liassic shale (Whitby Mudstone Formation) which crops-out widely across Cleveland and the [...]
By admin on November 1, 2008 | Leave a comment

Cass Rock Quarry

Contents Site Description Site Map Summary Evaluation of Site’s Value and Importance Surveyors Grid Reference NZ 631 146 BGS Sheet 34 OS Sheet 94 Forwarded as RIGS Part of Guisborough Forest 30/09/2003 Site Description Site Status SNCI Brief Site Description Site 7 of 7. Disused alum quarry revealing exposures of Liassic Whitby mudstone and overlying Middle Jurassic Saltwick sandstone. Following abandonment after alum working, this quarry [...]
By admin on September 20, 2003 | Leave a comment

Easington Beck

Contents Site Description Site Map Site Assessment Surveyors Grid Reference NZ 749 162 BGS Sheet 34 OS Sheet 94 Forwarded as RIGS 30/09/2003 Site Description Site Status SNCI Description of Geodiversity Upland river cutting through deltaic sandstone revealing river-cliffs and waterfalls. Exposures include Saltwick sandstone, Dogger and Whitby mudstone formations Literature References Site Map Site Assessment Access and Safety Comments Rating Safety of access From footbridge and along stream bank 8 Safety of exposure Slippery on [...]
By admin on September 4, 2003 | Leave a comment

Hell Gill

Contents Site Description Site Map Site Assessment Surveyors Grid Reference NZ 599 131 BGS Sheet 34 OS Sheet 93 Forwarded as RIGS Part of Guisborough Forest 30/09/2003 Site Description Site Status SNCI Description of Geodiversity Late glacial V-shaped valley. Exposure of Cleveland ironstone (Pecten seam) along roadside. Further along track spoil tips of Whitby mudstone (Jet shale member) can be observed Literature References Glimpses of Monument Mine, [...]
By admin on August 1, 2003 | Leave a comment

Belmont Bank

Contents Site Description Site Map Site Assessment Surveyors Grid Reference NZ 622 148 BGS Sheet 34 OS Sheet 94 Forwarded as RIGS Part of Guisborough Forest 30/09/2003 Site Description Site Status SNCI Description of Geodiversity North facing escarpment revealing few exposures. Underlying geology is Staithes sandstone, Cleveland ironstone, Whitby mudstone overlain by the Saltwick sandstone formation. Old mine tips now wooded Literature References Guisborough District Mines – [...]
By admin on August 1, 2003 | Leave a comment

Boulby Quarry

Contents Site Description Site Map Site Assessment Surveyors Grid Reference NZ 738 200 BGS Sheet 34 OS Sheet 94 Forwarded as RIGS 30/09/2003 Site Description Site Status SSSI and Part of the Heritage Coast Description of Geodiversity Extensive disused quarry area revealing workings in the Alum shale member of the Whitby mudstone formation. Top of the quarry reveals exposures of massive Saltwick sandstone with sporadic exposures [...]
By admin on July 1, 2003 | Leave a comment

Rock Hole Quarry

Contents Site Description Site Map Site Assessment Surveyors Grid Reference NZ 641 160 BGS Sheet 34 OS Sheet 94 Forwarded as RIGS 30/09/03 Site Description Site Status Description of Geodiversity Disused Alum quarry environment revealing exposures of Alum and Jet shales of the Whitby mudstone formation. Literature References Site Map Site Assessment Access and Safety Comments Rating Safety of access Via the Cleveland Way footpath 10 Safety of exposure Safe quarry environment except scree slopes 9 Restricting [...]
By admin on May 13, 2003 | Leave a comment

Bold Venture Gill

Contents Site Description Site Map Site Assessment Surveyors Grid Reference NZ 603 133 BGS Sheet 34 OS Sheet 94 Forwarded as RIGS Part of Guisborough Forest 30/09/2003 Site Description Site Status SNCI and RIGS Description of Geodiversity Old quarry area revealing Jet shale sequence of the Whitby mudstone formation Literature References Guisborough District Mines – Simon Chapman 2001 The Floating Egg – Roger Osbourne 1998 Site Map Site Assessment Access and [...]
By admin on April 17, 2003 | Leave a comment