The BGS Lexicon of Named Rock Units — Result Details
South Quarry Breccia Member
| Computer Code: | SQBR | Preferred Map Code: | SQB |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Ediacaran Period (AD) — Ediacaran Period (AD) | ||
| Lithological Description: | Volcaniclastic slump-breccia, composed of folded and contorted fine-grained laminated siltstone rafts in a coarse, grey, crystal-rich volcaniclastic matrix. | ||
| Definition of Lower Boundary: | Member locally developed at the top of the Ives Head Formation; planar and probable conformable base on grey, laminated, volcaniclastic siltstones and sandstones of the Ives Head Formation (undivided). | ||
| Definition of Upper Boundary: | Overlain by the Blackbrook Reservoir Formation, consisting in its lower part of greenish grey, laminated volcaniclastic siltstone. | ||
| Thickness: | About 31m | ||
| Geographical Limits: | Charnwood Forest area, Central England. | ||
| Parent Unit: | Ives Head Formation (IVH) | ||
| Previous Name(s): | One Barrow Breccia Member [Obsolete Name And Code: Use SQBR]
(CLOB)
South Quarry Slump Breccia Member [Obsolete Name and Code: Use SQBR] (-2444) One Barrow Breccia [Obsolete Name and Code: Use SQBR] (-3692) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Section | One Barrow Plantation. | ||
| Reference Section | Moult Hill. | ||
| Reference(s): | |||
| Moseley, J and Ford, T D, 1985. A stratigraphic revision of the Late Precambrian rocks of Charnwood Forest, Leicestershire. Mercian Geologist, Vol.10(I), 1-18. | |||
| Carney, J N. 1994. Geology of the Thringstone, Shepshed and Loughborough districts (SK41NW, SK41NE and SK51NW). British Geological Survey Technical Report WA/94/08. | |||
| Worssam, B C and Old, R A, 1988. Geology of the country around Coalville. Memoir of the British Geological Survey, Sheet 155 (England and Wales) | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| none recorded or not applicable | |||