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Mine Exploration Forum

Author Parc
JohnnearCfon

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Joined: 22/12/2005
Location: Sir Caernarfon

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Parc
Posted: 30/11/2020 11:37:02
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Can I ask what happened in the 1950s at parc ? Was it large scale pollution of the rivers ? Have been watching /reading these comments and learning but starting to get interested more Thumbs Up

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From the land of the pillar and stall
alex17595

Joined: 05/01/2018


Posted: 12/10/2020 10:11:28Reply | Quote
I couldn't find any reference to the 1950s in the book but there was a flash flood in 1964 which washed alot of mine waste down on to the road.

They also made a choke dam in level 3 because there was a risk of a rush of water coming out.

There's some photos in the book of when it was operating and some of it does look like a bleak wasteland.
TwllMawr


Posted: 12/10/2020 20:25:29Reply | Quote
Down and beyond wrote:

Can I ask what happened in the 1950s at parc ? Was it large scale pollution of the rivers ? Have been watching /reading these comments and learning but starting to get interested more Thumbs Up


Not 1950's, but 1974 (D.Bird Photo), but you'll appreciate the concern



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Joined: 16/03/2019
Location: Northamptonshire


Posted: 12/10/2020 20:50:14Reply | Quote
TwllMawr wrote:

Down and beyond wrote:

Can I ask what happened in the 1950s at parc ? Was it large scale pollution of the rivers ? Have been watching /reading these comments and learning but starting to get interested more Thumbs Up


Not 1950's, but 1974 (D.Bird Photo), but you'll appreciate the concern




O gosh so I am guessing that’s all the dirty yellow water washing in to a water course which is very bad as any wildlife is in danger + lots more damage to everything

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From the land of the pillar and stall
staffordshirechina

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Joined: 15/11/2009
Location: North Staffordshire


Posted: 12/10/2020 21:56:48Reply | Quote
alex17595 wrote:


They also made a choke dam in level 3 because there was a risk of a rush of water coming out.



The dam was put in in the early 1990's after a consultants report suggested there could be a surge if the lake broke through.
Unlikely perhaps but good for (our) business. At the same time lots of shafts were capped, adits grilled and Hafna dug out and grilled. Also the dayhole into Parc where water flowed in was plugged and various surface water features were built.
ChrisJC



Joined: 13/10/2007
Location: Northants


Posted: 13/10/2020 08:53:58Reply | Quote
staffordshirechina wrote:


The dam was put in in the early 1990's after a consultants report suggested there could be a surge if the lake broke through.
Unlikely perhaps but good for (our) business. At the same time lots of shafts were capped, adits grilled and Hafna dug out and grilled. Also the dayhole into Parc where water flowed in was plugged and various surface water features were built.


Presumably that was when the viewing platform was put at Kneebones Cutting and the 'car park' built above the Level 3 portal?

Chris.
staffordshirechina



Posted: 13/10/2020 13:38:16Reply | Quote
Yes, we put in the viewing platform then but the carpark already existed. We moved onto the carpark with our site office etc. We had to scrape the moss and leaf mould of it so it wasn't new.
From memory the car park was there in the 70's when we had visited previously.
royfellows


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


Posted: 13/10/2020 13:59:43Reply | Quote
This interesting about Parc, I always understood that the fear was off the release of the underground blockage on the Gorlan lode and water backed up beyond, I now know better.

The backed up water beyond the fall is actually just under 5 feet in dryish weather, backing up to over 6 in wet, at base of the western ladderway.

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Posted: 28/11/2020 21:04:19Reply | Quote
royfellows wrote:

This interesting about Parc, I always understood that the fear was off the release of the underground blockage on the Gorlan lode and water backed up beyond, I now know better.

The backed up water beyond the fall is actually just under 5 feet in dryish weather, backing up to over 6 in wet, at base of the western ladderway.

I had the same misunderstanding that it was water behind the blockage that was the risk.

Over 6' in the wet???? I'm only 5' 10" hope Inglesport stocks platform wellies. Oh bother.. been thinking about exploring Parc and I'd heard that the water never got above nipple height, clearly the person saying that forgot to mention he was 8' 6"?
IP: 86.165.45.30
ChrisJC

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Parc
Posted: 30/11/2020 12:48:05
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Just on the point about the lake - Presumably they mean Llyn Parc.

But Parc doesn't get near enough to that for a breach to occur. Aberllyn however when you can clearly see the tunnel get very damp and drippy when you get underneath it.

Chris.
IP: 45.143.120.91
royfellows

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

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Parc
Posted: 30/11/2020 13:34:48
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When the mine was working the Gorlan Lode was very troublesome. Exploring to the end of the no 3, the fall can be reached as shown below.



(click image to open full size image in new window)

It is not possible to reach the fall on the other side, by reason of not only deep water but very deep ochre.

The no 3 inbue of the fall being gained only by descending the Western Winze from no 2 above, or by SRT down the stope. Care has to be taken proceeding west on the no 3 in order to reach the rise up to western Cwffty, it is possible to become fast in the deep ochre, no knowing the best route helps.

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Wormster

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Joined: 15/08/2006
Location: Top of the Mendip Hills

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Parc
Posted: 30/11/2020 18:59:46
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The Sheltinger would be the person to ask, as I recall he spent a fair amount of time in there, suspect J. Ratt was involved too.

Not been in there since DPBB08 I think it was!

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Blober

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Joined: 16/12/2012
Location: Anglesey

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Parc
Posted: 30/11/2020 19:21:27
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Did you ever start trying to dig that one out Roy? Its been awhile since i've been down that end of Parc.

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royfellows

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Parc
Posted: 01/12/2020 09:15:48
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Blober wrote:

Did you ever start trying to dig that one out Roy? Its been awhile since i've been down that end of Parc.


I would not touch it, you can see the trickle of water on the right of the picture, behind the fall it is up to the roof, and not just with water either!

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ChrisJC

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Parc
Posted: 04/12/2020 14:54:54
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I was leafing through my Mines of the Gwydyr Forest pt. 3 book today, and noticed that I'd highlighted a section saying that the Parc miners had broken through into the Gorlan mine. Anyone been up in the stopes around the Gorlan lode looking for the connection? You would expect water to be coming in and somewhat giving the game away.

Chris.
IP: 45.143.120.91 Edited: 04/12/2020 15:10:35 by ChrisJC
royfellows

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Joined: 13/06/2007
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Parc
Posted: 04/12/2020 15:01:46
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ChrisJC wrote:

I was leafing through my Mines of the Gwydyr Forest pt. 3 book today, and noticed that I'd highlighted a section saying that the Parc miners had broken through into the Gorlan mine. Anyone been up in the stops around the Gorlan lode looking for the connection? You would expect water to be coming in and somewhat giving the game away.

Chris.


Absolutely agree, and yes, water is coming down, but its getting up there.

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