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Gold potential of the Dalradian rocks of north-west Northern Ireland : prospectivity analysis using Tellus data

By P.A.J. Lusty, A.G. Gunn, P.M. McDonnell, B.C. Chacksfield, M.R. Cooper and G. Earls


The Dalradian terrane in the north-west of Northern Ireland is prospective for orogenic vein-hosted gold mineralisation with important deposits at Curraghinalt and Cavanacaw. New geochemical and geophysical data from the DETI-funded Tellus project have been used, in conjunction with other spatial geoscience datasets, to map the distribution of prospectivity for this style of mineralisation over this terrane. A knowledge-based fuzzy logic modelling methodology using Arc Spatial Data Modeller was utilised. Four main groups of targets were identified, many close to known occurrences in the Lack - Curraghinalt zone and others in prospective areas identified by previous investigations. Additional targets are located along west-north-west trending linear zones at the eastern end of the Newtownstewart Basin and to the north of the Omagh-Kesh Basin. These zones may be related to major structures linked to a westward extension of the Curraghinalt lateral ramp which is regarded as an important control on the location of the Curraghinalt deposit

Publisher: Maney
Year: 2009
DOI identifier: 10.1179/174327509X12550990457889
OAI identifier: oai:nora.nerc.ac.uk:9542

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