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Mine Exploration Forum

Author Hafan Lead Mine
PaulinBont

Joined: 10/07/2018

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Hafan Lead Mine
Posted: 12/07/2020 06:03:38
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Failed to find the two masonry-lined arched adit entrances despite an extensive surface search from the modern quarry, down the incline and around the wheel pit. Does anyone have a 10 figure grid reference for the entrances please?

Managed to find the portal to the NE whilst searching the hillside though, it looked a wet entrance but barred by a wooden fencing post barrier.
IP: 94.8.183.240
John Griffiths

Joined: 31/07/2012

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Hafan Lead Mine
Posted: 12/07/2020 09:44:07
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Perhaps they've been covered in scree - you would have seen them if you had gone down the incline far enough. They were there in 1986 when I took the photo, but I haven't been there for a while.
IP: 5.80.197.0
davel

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Joined: 24/07/2007
Location: Gwynedd

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Hafan Lead Mine
Posted: 12/07/2020 13:05:29
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John Griffiths wrote:

... They were there in 1986 when I took the photo ...

That's pretty much as I remember them when I saw them in April 2011. If I remember correctly they are on the right as you look up the incline from the bottom.

Dave
IP: 195.137.87.110
PaulinBont

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Hafan Lead Mine
Posted: 12/07/2020 14:16:30
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Walked down the incline all the way to the bottom, explored the P &H tramway 'railhead' , so I'm inclined ( see what I did there ) to agree with the scree slippage theory IP: 94.8.183.240
royfellows

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Joined: 13/06/2007
Location: Great Wyrley near Walsall

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Hafan Lead Mine
Posted: 12/07/2020 20:50:43
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Sorry late reply, been in Wales all day, nice to be able to get back there.

The arched levels are burred now under scree and are as already said, on the right of the incline looking up from the bottom

There was an open level that went for a short distance to a collapse.

The deep adit, as you have seen, is blocked with large boulders and stuff. It would be interesting if dug out, but would require plant to do it. The neighbouring Henfwlch mine dewaters into Hafan, I suspect that the lode forms a natural rift in places, but the two mines never connected.

I think the wet level that you discovered was Cyneiniog, listed here with some photos. Actually, a nice little explore.

https://www.aditnow.co.uk/Mines/Cyneiniog-Slate-Mine_20339/

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'' as rare as a Cwmystwyth padlock''
IP: 88.108.8.226
Paul Marvin

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Joined: 29/10/2012
Location: Derbyshire

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Hafan Lead Mine
Posted: 12/07/2020 21:26:27
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royfellows wrote:

Sorry late reply, been in Wales all day, nice to be able to get back there.

The arched levels are burred now under scree and are as already said, on the right of the incline looking up from the bottom

There was an open level that went for a short distance to a collapse.

The deep adit, as you have seen, is blocked with large boulders and stuff. It would be interesting if dug out, but would require plant to do it. The neighbouring Henfwlch mine dewaters into Hafan, I suspect that the lode forms a natural rift in places, but the two mines never connected.

I think the wet level that you discovered was Cyneiniog, listed here with some photos. Actually, a nice little explore.

https://www.aditnow.co.uk/Mines/Cyneiniog-Slate-Mine_20339/


That looks interesting Roy how big is the place and is it worth a film session in there ?

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royfellows

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Joined: 13/06/2007
Location: Great Wyrley near Walsall

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Hafan Lead Mine
Posted: 12/07/2020 23:09:27
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Its an interesting little place, but little, being not much more than a trial.
David James did a survey, but cant find it on my system. Its probably been published in a Welsh Mines newsletter, will have a look. Can ask him.

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Rheidol United

Joined: 30/10/2011
Location: Mid-Wales

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Hafan Lead Mine
Posted: 12/07/2020 23:26:12
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The portals were still open when I was there a few months ago, although the upper one has almost entirely squeezed up. The original adit (No. 3, of 1698) half way up the incline was driven by the Company of Mine Adventurers and I assume that these two stone-arched ones were in fact culverts owing to their close proximity that diverted water away from the portal of the later No. 4 Adit which was driven south of the incline base into a copper lode in about 1704, also by the Company of Mine Adventurers. No. 5 is then the Deep Adit. I agree Roy, the Deep Adit would be very interesting indeed to access, especially regarding its relationship with Henfwlch. IP: 176.227.133.33
John Mason

Joined: 22/09/2008

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Hafan Lead Mine
Posted: 13/07/2020 14:00:16
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Agree - the water connection is really interesting but the Hafan Lode was active very late into the mineralisation sequence and parts of it are extremely vuggy, as evidenced by material making up a lot of the tips at both mines. The water may simply be making its way through a central cavity. Acessing the deep adit might provide the answer to the question if it's explorable for far enough. IP: 86.139.4.165
royfellows

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Location: Great Wyrley near Walsall

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Hafan Lead Mine
Posted: 13/07/2020 14:34:02
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John, I think you are hitting the nail on the head here. If you visit the main stope, see what you think. I wonder if the cavity is part natural. It does not look completely 'worked' to me.

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