Map record details

Map series Geological Survey of England and Wales 1:63,360/1:50,000 geological map series, New Series 
Sheet number 210 
Sheet title Fishguard. 
Map type Bedrock and Superficial 
Scale 1:50 000 
Publication year 2010 
Author statement Original geological survey at 1:63 360 scale by H.T. de la Beche, J. Phillips, D.H.Williams, A.C. Ramsey, W.T. Aveline and J. Rees Jnr, published as part of Old Series Sheet 40 in 1845 and revised by W.T. Aveline in 1857. A small area along the southern margin of the district was resurveyed at 1:10 560 scale by H.H. Thomas between 1905 and 1909. A small area along the northern margin of the district was resurveyed at 1:10 000 scale by J.R. Davies, P.R. Wilby and R.A. Waters between 1995 and 1999. Remaining parts of the district based on published data (see below), unpublished data held in BGS archives, and a selective resurvey at 1:20 000 scale by J.A. Aspden,C.E. Burt, J.R. Davies, M.R. Hall, T.H. Sheppard and P. R. Wilby in 2005 as part of the GeoCymru Project, supported by a grant from the Welsh Assembly Government. Biostratigraphy by A.W.A. Rushton and M. Williams. R.E. Bevins (National Museum Wales) provided additional advice on the petrology ofthe intrusive igneous and volcanic rocks. Cross-sections by D.I. Schofield and A.J. Humpage.J.R. Davies, Chief Geologist Wales. 
Published statement Published 2010. Print code: 2000/2010. 
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