The BGS Lexicon of Named Rock Units — Result Details
Upper Comley Group [Obsolete: use UCSS]
| Computer Code: | UCMG | Preferred Map Code: | notEntered |
|---|---|---|---|
| Status Code: | Index Level | ||
| Age range: | St David's Series (ED) — St David's Series (ED) | ||
| Lithological Description: | [Obsolete: use UCSS] Conglomeratic and glauconitic grits, green and brown sandstones, micaceous and blue-brown shales, conglomerate, with calcareous and phosphatic deposits. | ||
| Definition of Lower Boundary: | Drawn at base of conglomerate of Quarry Ridge Grit of Upper Comley Group which rests unconformably on the black limestone of the Lower Comley Group. | ||
| Definition of Upper Boundary: | Drawn at conformable upward passage from coarse glauconitic gritty flags of the Shoot Rough Road Flags to blue-grey micaceous shales of the Shoot Rough Road Shales. | ||
| Thickness: | 90-210m approx. | ||
| Geographical Limits: | Shropshire. | ||
| Parent Unit: | none recorded or not applicable | ||
| Previous Name(s): | Upper Comley Limestone and Sandstone [Obsolete Name and Code: Use UCMG]
(-1885)
Upper Comley Series [Obsolete Name and Code: Use UCMG, UCSS] (-1886) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | Comley, Shropshire. | ||
| Type Area | Lawley, Shropshire. | ||
| Type Area | Wrekin, Shropshire. | ||
| Reference(s): | |||
| Cobbold, E S. 1909. On some excavations in the Cambrian rocks of Comley, Shropshire, 1907. Report of the British Association (for 1908), 231-242. | |||
| Cobbold, E S. 1921. The Cambrian horizons of Comley, Shropshire. Quarterly Journal of the Geological Society of London, Vol.76. | |||
| Cobbold, E S. 1911. Third report on excavations among the Cambrian rocks of Comley, Shropshire, 1909. Report of the British Association (for 1910), 113-122. | |||
| Robertson, T. "In" Pocock, R W and others. 1938. Shrewsbury. Memoir of the Geological Survey of Great Britain, Sheet 61. | |||
| Lapworth, C. 1891. On Olenellus callavei and its geological relationships. Geological Magazine, Vol.8, 532-533. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| none recorded or not applicable | |||