Middridge Quarry
54°37′18″N 1°37′0″W / 54.62167°N 1.61667°W / 54.62167; -1.61667
Middridge Quarry is a Site of Special Scientific Interest in the Sedgefield district of County Durham, England. It is a disused quarry, situated alongside the railway line between Newton Aycliffe and Shildon, 1 km south of the village of Middridge.
The quarry was excavated in Magnesian Limestone, the lowest level of which is an exceptionally fossiliferous marl slate which has yielded the richest and most varied Permian flora in the Britain and is the type locality for the pteridosperm Pseudoctensis middridgensis.[1] Fossils obtained from the quarry have included several species of fish and reptiles,[2][3][4][5] numerous invertebrates and plants, and the site is considered to be of international palaeontological importance. [6]
References
- ^ Bell, J; J Holden; T H Pettigrew; K W Sedman (March 1979). "The Marl Slate and Basal Permian Breccia at Middridge, Co. Durham". Proceedings of the Yorkshire Geological Society. 42 (3): 439–60. Bibcode:1979PYGS...42..439B. doi:10.1144/pygs.42.3.439.
- ^ Sedgwick, A (1829). "On the geological relations and internal structure of the Magnesian Limestone". Transactions of the Geological Society of London. Series 2. 3: 37–124. doi:10.1144/transgslb.3.1.37. S2CID 131431256.
- ^ Hancock, Albany; Richard Howse (1870). "On a new Labyrinthodont Amphibian from the Magnesian Limestone of Midderidge, Durham". Quarterly Journal of the Geological Society of London. 26 (1–2): 556–564. doi:10.1144/GSL.JGS.1870.026.01-02.52. S2CID 128755826.
- ^ Hancock, Albany; Richard Howse (1870). "On Proterosaurus Speneri, von Meyer, and a new species, Proterosaurus Huxleyi, from the Marl-slate of Midderidge, Durham". Quarterly Journal of the Geological Society of London. 26 (1–2): 565–572. doi:10.1144/GSL.JGS.1870.026.01-02.53. S2CID 129676053.
- ^ Evans, S E; M S King (May 1993). "A new specimen of Protorosaurus (Reptilia: Diapsida) from the Marl Slate (late Permian) of Britain". Proceedings of the Yorkshire Geological Society. 49 (3): 229–234. Bibcode:1993PYGS...49..229E. doi:10.1144/pygs.49.3.229.
- ^ "Middridge Quarry : Reasons for SSSI status" (PDF). Natural England. Retrieved 1 April 2022.
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- Backstone Bank and Baal Hill Woods
- Baldersdale Woodlands
- Bishop Middleham Quarry
- Bollihope, Pikestone, Eggleston and Woodland Fells
- Botany Hill
- Bowes Moor
- Bowlees and Friar House Meadows
- Brasside Pond
- Brignall Banks
- Burnhope Burn
- Butterby Oxbow
- Cassop Vale
- Castle Eden Dene
- Causey Bank Mires
- Charity Land
- Close House Mine
- Cornriggs Meadows
- Cotherstone Moor
- Crag Gill
- Crime Rigg and Sherburn Hill Quarries
- Dabble Bank
- Derwent Gorge and Horsleyhope Ravine
- Durham Coast
- Fairy Holes Cave
- Far High House Meadows
- Fishburn Grassland
- Foster's Hush
- Frog Wood Bog
- God's Bridge
- Grains o' th' Beck Meadows
- Green Croft and Langley Moor
- Greenfoot Quarry
- Hannah's Meadows
- Hawthorn Dene
- Hawthorn Quarry
- Hell Kettles
- Hesledon Moor East
- Hesledon Moor West
- Hexhamshire Moors
- Hisehope Burn Valley
- Hulam Fen
- Hunder Beck Juniper
- Kilmond Scar
- Low Redford Meadows
- Lune Forest
- Mere Beck Meadows
- Middle Crossthwaite
- Middle Side and Stonygill Meadows
- Middleton Quarry
- Middridge Quarry
- Moorhouse and Cross Fell
- Muggleswick, Stanhope and Edmundbyers Commons and Blanchland Moor
- Neasham Fen
- Newton Ketton Meadow
- Old Moss Lead Vein
- Park End Wood
- Pig Hill
- Pike Whin Bog
- Pittington Hill
- Pow Hill Bog
- Quarrington Hill Grasslands
- Railway Stell West
- Raisby Hill Grassland
- Raisby Hill Quarry
- Redcar Field
- Rigg Farm and Stake Hill Meadows
- Rogerley Quarry
- Sherburn Hill
- Shipley and Great Woods
- Sleightholme Beck Gorge – The Troughs
- Slit Woods
- Stony Cut, Cold Hesledon
- Teesdale Allotments
- The Bottoms
- The Carrs
- Thrislington Plantation
- Town Kelloe Bank
- Trimdon Limestone Quarry
- Tuthill Quarry
- Upper Teesdale
- Waldridge Fell
- West Newlandside Meadows
- West Park Meadows
- West Rigg Open Cutting
- Westernhope Burn Wood
- Wingate Quarry
- Witton-le-Wear
- Yoden Village Quarry
- Neighbouring areas
- Cleveland
- Northumberland
- Tyne and Wear
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