CPAT Regional Historic Environment Record
The following information is from the on-line database 'Archwilio'.
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Jamaica

Primary Reference Number (PRN) : 103186
Trust : Clwyd Powys
Community : Nercwys
Unitary authority : Flintshire
NGR : SJ21606080
Site Type (preferred type first) : POST MEDIEVAL LEAD MINE / POST MEDIEVAL SILVER MINE

Description :
Lead/Silver (Early 19th century-1857)

Geology
The area of Jamaica Mine lies on the flat measures of Cefn-y-Fedw Sandstone. The flat outcrops near America Farm (SJ21306085), but no limestone appears.

Workings
The sett worked the top flats of Cefn-y-fedw sandstone in which no vein was discovered. The ore outcropped near America Farm and was also worked through inclines.

A run of at least twelve substantial shafts, open workings and spoil heaps extend across the area of the mine from SJ21806100 westwards towards the Maeshafn Mine (SJ20406105).

The Jamaica workings were cut by the Maeshafn Vein.

Transport
A substantial metalled trackway traverses the mine area from America Farm at SJ21306085, passing through large limestone gateposts, probably 18th century, and appears to be the main route for transportation of ore. It runs eastwards towards the road at SJ21906100 and at this poiny could have continued across to the Smelter site at East Maeshafn.

Power
A large rectangular pond remains at SJ21756090.

Processing
No evidence.

Other features
The modern housing conversions at SJ21456090 could have originally been a miners' terrace.

Sources :
Clwyd Powys Archaeological Trust , 1993 , Site visit record - PRN103186

Events :

Related records

Compiled date : 31-01-1985


Archaeological data, from the Historic Environment Record, supplied by The Clwyd-Powys Archaeological Trust in partnership with Local Authorities, Cadw and the partners of ENDEX © CPAT, 2025 (and in part © Crown, 2025). It is intended to be used for private research only and is not for use as part of commercial projects. If you wish to use this information for publication in printed or multimedia form or to compile resources for commercial use, prior permission must be obtained in writing. Use of this information is subject to the terms and conditions of access to HER data published on CPAT's website. Please contact the HER if you have any further questions regarding this information. Please quote the Primary Reference Numbers (PRNs) in any correspondence.

April 19, 2025, 4:58 pm - File produced for Archwilio from CPAT's Regional HER.
Clwyd-Powys Archaeological Trust, The Offices, Coed y Dinas, Welshpool, Powys, SY21 8RP
tel (01938) 553670, email her@cpat.org.uk, website www.cpat.org.uk

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