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Report - - Garth Iron Mine - Pentyrch - Wales - 2017 | Mines and Quarries | 28DaysLater.co.uk

Report - Garth Iron Mine - Pentyrch - Wales - 2017



Lenston

Bajo Tierra
Regular User
#1
History

This mine was located at the top of the Little / Lesser Garth hill which forms the high ridge of ground extending east from Pentyrch and between Gwaelod-y-garth in the north and Morganstown / Radyr in the south at NGR 118823 which today lies within the confines of the enormous Cemex quarry.

Although it is thought that iron-making in this area dates back to Roman times it is not known to what extent this body of haematite was worked at that time or indeed in the period leading up to the end of the 18th. Century. The exploitation of the mine started in earnest with Richard Blakemore in the early years of the 19th. Century when he acquired the Melingriffith tin-plate works together with the Pentyrch iron works in 1805 , previous owners having used the coal measures ironstone together with imported Lancashire haematite - and with his nephew Thomas W. Booker assisting him, developed the enterprise into a major source of tin-plate production.

In the early 1870's the output of ore from the mine was approx. 15,000 tons a year from the caverns mined below the tunnel level together with some 265 tons of high-grade ochre, prepared at Melingriffith for sale to paint manufacturers in Bristol.

Such was the scale of the mine at this time that curious Victorian travellers from far and wide were given conducted tours of the caverns.

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Today only two of the main top caverns are visible at the north side of the Cemex quarry, the others having been in-filled over the years. These are inside the confines of the quarry and located within the limestone aggregate stockpile area and surrounded by trees and safety fences.

These may also come under threat in the near future with a current multi-million re-development scheme at this Mexican owned quarry which will see quarrying carried out in the immediate vicinity of the pits.

Pics

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Thanks for looking
 
Last edited:

DaveFM

28DL Full Member
28DL Full Member
#2
Excellent lighting in these shots, especially the one with sunlight streaming in through the perforated door. Be a shame if it was destroyed by quarrying.
 

Boba Low

____/
Regular User
#9
Best shots ive ever seen from down here! Someone post this elsewhere dude? Thought it was on the dl? Still haven't been back in rwo years myself... I need to do it with emergency flares.
 

Lenston

Bajo Tierra
Regular User
#10
Best shots ive ever seen from down here! Someone post this elsewhere dude? Thought it was on the dl? Still haven't been back in rwo years myself... I need to do it with emergency flares.
Good luck to anyone who can find the entrance, if the local quarry next door quarry into it which looks likely i reckon the more people that see it the better.
 
Last edited:

ztw

28DL Full Member
28DL Full Member
#15
reviving an old thread but - i found the adit yesterday but the doors are jammed shut - is the only other way in abseiling down from the top? think i'm gonna have to accept i won't get in
 

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