The BGS Lexicon of Named Rock Units — Result Details
Primrose Hill Metamorphic Complex
Computer Code: | PRHM | Preferred Map Code: | notEntered |
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Status Code: | Pending Upgrade | ||
Age range: | Cryogenian Period (AC) — Cryogenian Period (AC) | ||
Lithological Description: | Granitic and amphibolitic gneisses, altered tuffs, intrusive granite and pegmatite. | ||
Definition of Lower Boundary: | Unknown. | ||
Definition of Upper Boundary: | Unknown. | ||
Thickness: | Unknown. | ||
Geographical Limits: | The Wrekin, Shropshire and the Welsh Borderlands. | ||
Parent Unit: | Not Applicable (-) | ||
Previous Name(s): | Primrose Hill Granite [Obsolete Name and Code: Use PRHM]
(-4849)
Primrose Hill Gneisses [Obsolete Name and Code: Use PRHM] (-1772) |
||
Alternative Name(s): | none recorded or not applicable | ||
Stratotypes: | |||
Type Area | Small crags on Little Hill, formerly Primrose Hill, at the southern end of the Wrekin Range. Wilson, D, 2000. | ||
Reference(s): | |||
Pocock R W, Whitehead T H, Wedd C B and Robertson T. 1938. Shrewsbury District including the Hanwood Coalfield. Memoir of the Geological Survey of Great Britain, England and Wales. (London: H.M.S.O.). | |||
Thorpe, R S, 1974. Aspects of magmatism and plate tectonics in the Precambrian of England and Wales. Geological Journal, Vol.9, 115-136. | |||
Wilson, D, 2000. Shropshire. 81-113 in Precambrian rocks of England and Wales. Carney, J N (editor). Geological Conservation Review Series No. 20. (Peterborough: Joint Nature Conservation Committee). | |||
Pharaoh T C and Gibbons W. 1994. Precambrian rocks in England and Wales south of the Menai Strait Fault System. 85-97 in Gibbons W and Harris A L (editors), A revised correlation of Precambrian rocks in the British Isles. Geological Society of London Special Report No.22. | |||
1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
E152 |