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Mine Exploration Forum

Author Aberdaron Mines
BertyBasset

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Joined: 13/12/2007
Location: Caernarfon, North Wales

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Aberdaron Mines
Posted: 18/07/2016 11:03:11
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Whilst doing some online Lleyn jasper mining research, I came across this interesting link.

http://www.snowdoniaheritage.info/pdf/pilgrims/pilgrims-aberdaron/porth-y-sant-quarries-english.pdf

Most interesting are some details about barytes mining at Gwaith y Bompren, and unlikely coal mines at Rhoshirwaun and Llangwnnadl!
IP: 217.9.203.195
robnorthwales

Joined: 21/05/2008
Location: Denbighshire, North wales

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Aberdaron Mines
Posted: 18/07/2016 14:40:00
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Just went to the coal mines GR given on online mapping. Go a couple of hundred yards Southwest of there, and a big pentagram on the ground (SH194293)

Demon worship on the Lleyn ?
IP: 81.137.224.3
BertyBasset

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Joined: 13/12/2007
Location: Caernarfon, North Wales

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Aberdaron Mines
Posted: 18/07/2016 15:16:29
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Nicely spotted! That's only slightly less bizarre that coal in Lleyn. IP: 217.9.203.195
robnorthwales

Joined: 21/05/2008
Location: Denbighshire, North wales

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Aberdaron Mines
Posted: 18/07/2016 15:32:55
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Well, coal was mined on Anglesey for a considerable period, not a million miles away.

That reminds me - occasional bits I've read over the years of small-scale coal mining in the vale of Clwyd, near St Asaph. I need to book some time off work to do some proper research, as none of what I'd need is digitised and online.
IP: 81.137.224.3
BertyBasset

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Location: Caernarfon, North Wales

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Aberdaron Mines
Posted: 18/07/2016 15:39:59
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Yes, however the postulated positions for the Lleyn coal mines is on pre-cambrian rocks! Probably a good old fashioned share scam. IP: 217.9.203.195
Willy Eckerslyke

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Joined: 03/11/2011
Location: Anglesey

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Aberdaron Mines
Posted: 18/07/2016 19:12:24
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robnorthwales wrote:

Just went to the coal mines GR given on online mapping. Go a couple of hundred yards Southwest of there, and a big pentagram on the ground (SH194293)

Demon worship on the Lleyn ?


Wow, it's still there? I photographed it 10 years ago!
http://www.pixaerial.co.uk/php/show_image.php?image=4017

--

"The true crimefighter always carries everything he needs in his utility belt, Robin"
IP: 31.185.232.149
robnorthwales

Joined: 21/05/2008
Location: Denbighshire, North wales

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Aberdaron Mines
Posted: 18/07/2016 22:44:06
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Willy Eckerslyke wrote:



Wow, it's still there? I photographed it 10 years ago!
http://www.pixaerial.co.uk/php/show_image.php?image=4017


Some very interesting land use/ditch marks on the extreme top left of that photograph !
IP: 87.112.125.190
crickleymal

Joined: 12/03/2009
Location: Gloucester

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Aberdaron Mines
Posted: 19/07/2016 10:44:28
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Willy Eckerslyke wrote:

robnorthwales wrote:

Just went to the coal mines GR given on online mapping. Go a couple of hundred yards Southwest of there, and a big pentagram on the ground (SH194293)

Demon worship on the Lleyn ?


Wow, it's still there? I photographed it 10 years ago!
http://www.pixaerial.co.uk/php/show_image.php?image=4017


I can't see a pentagram either on the map of the photograph.
IP: 194.176.105.148
BertyBasset

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Joined: 13/12/2007
Location: Caernarfon, North Wales

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Aberdaron Mines
Posted: 19/07/2016 10:48:53
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https://www.bing.com/mapspreview?&cp=52.831762~-4.681927&lvl=19&style=h&v=2&sV=1&form=S00027 IP: 217.9.203.195
rufenig

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Joined: 18/03/2008
Location: Shropshire Hills

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Aberdaron Mines
Posted: 19/07/2016 10:56:36
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If you go to Google earth and use timeline it is there in 2006. IP: 51.9.19.36
John Mason

Joined: 22/09/2008

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Aberdaron Mines
Posted: 21/07/2016 09:38:04
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There was quite a lot of barytes-bearing veinstone strewn around the end of the beach when I walked past the Pompren mine last year. Guess the big storms a couple of years back had eroded into the tips. IP: 86.139.35.84
BertyBasset

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Joined: 13/12/2007
Location: Caernarfon, North Wales

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Aberdaron Mines
Posted: 22/07/2016 00:40:50
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Hi John, is there anything underground there? You wouldn't think that barytes would be worth mining unless in large quantities. IP: 81.153.94.32
John Mason

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Aberdaron Mines
Posted: 22/07/2016 06:22:30
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Unsure - site very overgrown. Could be worth a look in winter when it's all died back a bit. But one gets the impression of a lode mostly consisting of a mixture of quartz and barytes, so dressing the stuff would have been hard work. IP: 86.139.35.84
BertyBasset

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Joined: 13/12/2007
Location: Caernarfon, North Wales

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Aberdaron Mines
Posted: 07/04/2017 12:06:40
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Off for a walkies from Uwchmynydd back to Aberdaron tomorrow, so was doing a bit more online research on the Pompren barytes mine, and came across this very good article on page 6.

http://www.shropshirecmc.org.uk/below/2014_1w.pdf

Am also hoping to have a look at the stone quarries on this bit of coast.

Robin
IP: 217.9.203.195
EGJones

Joined: 07/02/2020

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Aberdaron Mines
Posted: 07/02/2020 02:58:27
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Hi!Just seen this article now and wandering if there is anymore info on the underground mines at the top of Porth Samddai? I know of one underground tunnel there as me and my mate used to visit it regularly and go through the tunnel with head torches but only now I've started looking into the history of them. Thanks ?? IP: 109.150.145.251
BertyBasset

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Joined: 13/12/2007
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Aberdaron Mines
Posted: 07/02/2020 09:45:09
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I had a look last year, but didn't see anything. Are they above the footbridge ? IP: 185.19.209.50
EGJones

Joined: 07/02/2020

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Aberdaron Mines
Posted: 07/02/2020 12:34:30
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The one we used to go through was just before the footbridge to the left (The Cwrt side) if you've come from the beach. It's probably about 30/40 meters in length. IP: 109.150.145.251
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