Map record details
| Map series | Geological Survey of England and Wales 1:63,360/1:50,000 geological map series, New Series |
|---|---|
| Sheet number | 151 |
| Sheet title | Welshpool. |
| Map type | Bedrock and Superficial |
| Scale | 1:50 000 |
| Publication year | 2008 |
| Author statement | Original geological survey at 1:63 360 scale by W.T. Aveline, H.W. Bristow, E. Hull and A.C. Ramsay. Published as part of Old Series Sheet 60 between 1850 and 1855. In the east of the district, the Hanwood Coalfield and Permo-Triassic rocks were resurveyed at the 1:10 560 scale by D.A. Wray and C.B. Wedd in 1915-1928.In the south of the district the Shelve Ordovician Inlier was resurveyed at the 1:1 0 000 scale by R.L. Langford and B.D.T. Lynas in 1982-84 and a small area to the west by R. Cave in 1988. The resurvey of the Shelve Ordovician Inlier was funded by the former Department of Industry. Remaining parts of the district and the superficial deposits of the northern part of the Shelve Ordovician Inlier were rapidly resurveyed at the 1:10 000 scale by R. Cave (University of Wales, Aberystwth) in 1998-2002 as a commissioned research project under the British Geological Survey University Collaboration Scheme. Biostratigraphy by R. Cave, S.G. Molyneux and M. Williams. Compiled by R. Cave and R.A. Waters. P.J. Strange, Regional Geologist. |
| Published statement | Published 2008. Print code: 2000/2008. |
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