Author Topic: Intake Dale Mine Update  (Read 3775 times)

Offline Rob

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Intake Dale Mine Update
« on: December 20, 2019, 08:08:24 pm »
JonP - Great trip, started with pre-beers.

RobE - I dug the choke.

JonP - I cut some scaf.

RobE - Got through the choke to a draughting pitch head, but got no rope.

JonP - Great result, out in time for pub

 ;D ;D ;D
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Offline JonP

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Re: Intake Dale Mine Update
« Reply #1 on: December 20, 2019, 08:10:32 pm »
Rob, Jeff specifically said 5 words...

Offline Rob

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Re: Intake Dale Mine Update
« Reply #2 on: December 20, 2019, 08:17:32 pm »
Beer. Found cave. More beer.  :thumbsup:
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Offline SamT

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Re: Intake Dale Mine Update
« Reply #3 on: December 20, 2019, 09:05:57 pm »
Proper just laughed my head off much to the bewilderment of my family...

Class.

Offline Pipster

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Re: Intake Dale Mine Update
« Reply #4 on: December 20, 2019, 11:52:40 pm »
Have been following the project on your website guys; great work! looking forward to reading the next one!  :thumbsup:
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Online alastairgott

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Re: Intake Dale Mine Update
« Reply #5 on: December 21, 2019, 09:42:56 am »
Quote
12.12.19 was turned away from The Anchor



 :'( :o

Offline Rob

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Re: Intake Dale Mine Update
« Reply #6 on: December 21, 2019, 11:37:31 am »
Not due to reputation, I don't think...
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Online alastairgott

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Re: Intake Dale Mine Update
« Reply #7 on: December 21, 2019, 11:45:18 am »
No dogs at the bar, not even for treats. :blink:

Offline pwhole

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Re: Intake Dale Mine Update
« Reply #8 on: December 21, 2019, 01:24:05 pm »
Good work folks - we are all busy at the moment aren't we? Looking good for the future in many areas - as long as no-one gets squashed over Xmas ;)

Online Mark

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Re: Intake Dale Mine Update
« Reply #9 on: December 21, 2019, 09:38:52 pm »
That really gets the andrenalin going Rob, can't wait for the next instalment.

Offline AR

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Re: Intake Dale Mine Update
« Reply #10 on: December 22, 2019, 12:46:06 pm »
Looking good for the future in many areas - as long as no-one gets squashed over Xmas ;)

Plenty of opportunity for getting squashed in Intake Dale Mine, unless there's been a lot of gardening done! Definitely somewhere to avoid if you're nervous about going under stacked deads apparently supported by rotting toothpicks....
Dirty old mines need love too....

Online Moose

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Re: Intake Dale Mine Update
« Reply #11 on: December 22, 2019, 08:49:01 pm »
JonP - Great trip, started with pre-beers.

RobE - I dug the choke.

JonP - I cut some scaf.

RobE - Got through the choke to a draughting pitch head, but got no rope.

JonP - Great result, out in time for pub

 ;D ;D ;D

Best trip report of the year!

Offline Rob

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Re: Intake Dale Mine Update
« Reply #12 on: January 10, 2020, 10:42:25 am »
9th January

More beer and more cave  ;D
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Online nickwilliams

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Re: Intake Dale Mine Update
« Reply #13 on: January 10, 2020, 11:00:22 am »
In that order, or actually the other way around?
"Economics is simply the branch of sociology that deals with people trading items and the fact that they use more numbers does not make it anymore of a science."

Offline Rob

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Re: Intake Dale Mine Update
« Reply #14 on: January 10, 2020, 11:13:52 am »
As before (it helps with the nerves....)

Beer. Found cave. More beer.  :thumbsup:
The end is where we start....

Offline Pipster

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Re: Intake Dale Mine Update
« Reply #15 on: January 10, 2020, 04:51:13 pm »
Do tell!
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Offline Goydenman

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Re: Intake Dale Mine Update
« Reply #16 on: January 10, 2020, 05:01:21 pm »
Do tell!
http://www.eldonpotholeclub.org.uk/homepage/current-uk-projects/intake-dale-mine

Well done team...necky work.
Is this mine in the gap between Castleton and Bradwell then?

Offline JonP

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Re: Intake Dale Mine Update
« Reply #17 on: January 10, 2020, 08:40:12 pm »
You can also check out our Instagram feed for all our latest photo related updates, go check it out!

@team_4wesome

Regards,

JonP.
TA Web sec.

Offline Rob

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Re: Intake Dale Mine Update
« Reply #18 on: January 11, 2020, 08:05:19 am »
Well done team...necky work.
Is this mine in the gap between Castleton and Bradwell then?
No, it's upstream of Bagshawe, and closer to the end of Bagshawe than the entrance of Bagshawe.

Downstream in IDM ends in sumps, but upstream is one big choke, Black Jack!  :thumbsup:
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Offline pwhole

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Re: Intake Dale Mine Update
« Reply #20 on: January 11, 2020, 12:24:39 pm »
Well done gang. The engine shaft top is more or less in the floor of the dale, as the gin circle platform is cut into the bedrock above it - a very nice feature. I do wonder if any soughs had a (unknown) branch to here, at the bottom of the shaft?

Also don't forget if you walk along the rake eastwards (past the entrance and up the slope) there's what appears to be a climbing shaft under a big white slab near the ruined coe. It may just drop into the bits we already know, but equally it may not ;)

Offline Rob

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Re: Intake Dale Mine Update
« Reply #21 on: January 15, 2020, 01:16:10 pm »
13th January

Beer. Engine Shaft. Cartgate. Beer.  :thumbsup:
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Offline Rob

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Re: Intake Dale Mine Update
« Reply #22 on: January 15, 2020, 01:17:13 pm »
Beer. Engine Shaft. Cartgate. Beer.  :thumbsup:
It's hard sticking to 5 word trip reports, but it does save a lot of time for everyone trying to keep up...

For those more interested, have a gander here:
http://www.eldonpotholeclub.org.uk/homepage/current-uk-projects/intake-dale-mine/387-stick-or-twist-13-01-2020
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Offline pwhole

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Re: Intake Dale Mine Update
« Reply #23 on: January 15, 2020, 01:44:54 pm »
Awesome ;)

Offline SamT

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Re: Intake Dale Mine Update
« Reply #24 on: January 15, 2020, 02:28:15 pm »
Brill write up by JP.   ;D

Thats robs game face I assume. Barely recognisable.

Offline JonP

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Re: Intake Dale Mine Update
« Reply #25 on: January 15, 2020, 02:46:02 pm »
Looks like Iain Barker...

Offline Goydenman

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Re: Intake Dale Mine Update
« Reply #26 on: January 15, 2020, 03:27:18 pm »
Great find and brill write up with fascinating photos. Thanks
Keep safe as poss guys and here is to you finding way more

Offline SamT

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Re: Intake Dale Mine Update
« Reply #27 on: January 15, 2020, 03:46:27 pm »
Looks like Iain Barker...

Ohh - That's harsh...  :lol:

(only kidding Iain!  ;) )

Offline Rob

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Re: Intake Dale Mine Update
« Reply #28 on: March 07, 2020, 08:24:59 am »
Quite a few developments down IDM recently, including dropping into some more natural and taking the survey over 500m long.  :thumbsup:

http://www.eldonpotholeclub.org.uk/homepage/current-uk-projects/intake-dale-mine
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Offline Graigwen

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Re: Intake Dale Mine Update
« Reply #29 on: March 07, 2020, 09:29:09 am »
So everything went right!

"luckily the pub was cleaning the pipes through so kept bringing us an assortment of free beers! " ;D

Offline Goydenman

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Re: Intake Dale Mine Update
« Reply #30 on: March 08, 2020, 03:29:24 pm »
great reports....over 500m and plenty of leads great stuff

Offline Pipster

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Re: Intake Dale Mine Update
« Reply #31 on: March 09, 2020, 08:57:50 am »
Amazing stuff!  :thumbsup:
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Offline T pot 2

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Re: Intake Dale Mine Update
« Reply #32 on: March 10, 2020, 05:16:19 pm »
Well done guys Ben would be very proud of your efforts.
When we looked at it Ben thought the choke was to unsafe and that was from a guy that loved digging through them.
T

Offline Rob

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Re: Intake Dale Mine Update
« Reply #33 on: March 11, 2020, 08:30:48 am »
To be fair Ben was quite right, although he was probably talking about the choke at the bottom. We had a go at that in 2016 and we managed to make some ground to find "Brexit Rift", but going in any further was going to be tricky.

Then in 2019 we changed our tack and had a go at the choke much higher up at a really obscure place i doubt they ever got to. Whilst the choke here was indeed very dodgy the draught was strong so we thought it was worth a go. Luckily it was a very short affair and only 4m was dug before we got to the other side. I only got squashed once so can't have been that bad....
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Offline danthecavingman

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Re: Intake Dale Mine Update
« Reply #34 on: March 14, 2020, 09:39:46 am »
Is the latest update on the Eldon Website unfinished? Doesn't read as a complete report. I was hoping to read more about the open lead at the bottom.
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Offline Rob

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The end is where we start....

Offline Rob

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Re: Intake Dale Mine Update
« Reply #36 on: March 27, 2020, 08:30:05 pm »
To help wind away those hours, here's another Awesome report prepared by the Eldon's newsletter editor Jon Pemberton.

http://www.eldonpotholeclub.org.uk/homepage/current-uk-projects/intake-dale-mine/396-isolation-19-03-2020

In summary, we've found our own form of Isolation  ;D
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Offline Goydenman

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Re: Intake Dale Mine Update
« Reply #37 on: March 27, 2020, 11:15:50 pm »
It just keeps going amazing exploration well done team and more to explore waiting for you.
Cant wait to see a copy of the survey...with all these finds confusing where things are heading
Well done again

Offline Pipster

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Re: Intake Dale Mine Update
« Reply #38 on: March 30, 2020, 03:02:36 pm »
Great work guys!  :clap2:

Making a great read; just wish there could be more updates during the lock down! :coffee:

Would also love to see a survey, to help make sense of the descriptions......
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Offline Rob

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Re: Intake Dale Mine Update
« Reply #39 on: March 30, 2020, 03:23:31 pm »
Stay tuned for the (WIP) survey...  :thumbsup:
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Offline Mrs Trellis

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Re: Intake Dale Mine Update
« Reply #40 on: March 30, 2020, 03:26:08 pm »
Can't wait. Great work and beers thoroughly deserved.
Mrs Trellis
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Offline Rob

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Re: Intake Dale Mine Update
« Reply #41 on: April 02, 2020, 11:33:57 am »
As promised, the (mostly) up to date survey can now be downloaded from the Eldon website:

http://www.eldonpotholeclub.org.uk/homepage/club-history/surveys

Unfortunately this drawn survey was started back in 2016 with the discovery of Brexit Rift. It was therefore never intended to be added to in the way that it has, but i couldn't be bothered to redo it all at a bigger scale. I'm kind of glad as we're still not sure how big it'll get!

Just goes to show how useful the Therion ecosystem is...
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Offline Mr Dinwiddy

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Re: Intake Dale Mine Update
« Reply #42 on: April 02, 2020, 08:35:59 pm »
Thanks Rob
How far above water table do you think you are at the deepest point (?Hobgoblin's Hideaway)

Offline Rob

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Re: Intake Dale Mine Update
« Reply #43 on: April 02, 2020, 09:58:43 pm »
Hobgoblin's Hideaway is at 205m. Downstream sump 2 in Bagshawe is at 183m, and 920m away horizontally (although the end of Sump 5 is a good 150m closer)...

The exciting bit is we know the whole upstream of IDM sumps to 221m and overflows a big streamway down into the far eastern end. We haven't yet seen where that water comes from or goes to (in normal conditions) so that's a big discovery we're looking forward to.  :thumbsup:
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Offline Goydenman

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Re: Intake Dale Mine Update
« Reply #44 on: April 02, 2020, 10:49:17 pm »
thanks for the survey...your explorations make sense now......well done again team

Offline pwhole

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Re: Intake Dale Mine Update
« Reply #45 on: April 03, 2020, 12:14:34 am »
The drainage is intriguing, not least as there aren't any soughs nearby - at least not until Hill Rake further north. Jim Rieuwerts specifically excluded this section from his Book 1 on the soughs as he stated that the area was more or less entirely drained by the natural caverns of Bagshaw. I must ask him about that - he did tell me he has some fragmentary records on Intake Dale Mine from the late 1600s. I guess if the mine was worked into the 19th Century they should theoretically have just been able to keep driving downwards until they hit the water table if the vein was still producing - being more or less the level of the Bagshawe sumps, as they definitely couldn't lower those any further! But I'm sure there's a lava below it.

I guess Shuttle Rake Mine further uphill must have also drained naturally, at least along the vein - I'll have a look at that when I get a minute. I wonder of that's the source of the water entering at the west end?

Aha - according to Trevor Ford's paper on the Geological Setting of the Mines of the White Peak (Mining History 17:5), the Intake Dale shaft stopped just above the Lower Millers Dale Lava - Shuttle Rake Mine shaft penetrated the full depth of it (50m). No mention of drainage though.

Offline Rob

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Re: Intake Dale Mine Update
« Reply #46 on: April 03, 2020, 08:36:07 am »
So any guess on how deep the millers dale lava is at IDM?
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Offline AR

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Re: Intake Dale Mine Update
« Reply #47 on: April 03, 2020, 08:50:55 am »
I've had a look at the BGS site but unfortunately, there's nothing for the immediate area in the boreholes record so difficult to say. I'd guess that the lava is thinning out as it heads north from Millers Dale but that's just a guess.
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Offline Rob

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Re: Intake Dale Mine Update
« Reply #48 on: April 03, 2020, 09:22:26 am »
Didn't they hit it at High Rake?
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Offline Pipster

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Re: Intake Dale Mine Update
« Reply #49 on: April 03, 2020, 09:28:34 am »
Thanks for posting the Survey Rob!

Really helps with making sense of the write-ups. Fantastic find.

:thumbsup:


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Offline pwhole

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Re: Intake Dale Mine Update
« Reply #50 on: April 03, 2020, 12:58:28 pm »
So any guess on how deep the millers dale lava is at IDM?

OK, this is a direct quote from Chris Heathcote's paper in the same Mining History 17:5 A History and Gazetteer of the Lead Mines Within Bradwell Liberty, Derbyshire: 1216-1890, discussing the range of Shuttle Rake from Hazlebadge to The Holmes at the west end:

In Intake Dale the lava was noted as being at a depth of 52 fathoms (95.1m) within the shaft and that it had a thickness of 24-25 fathoms (44-46m), with the top portion being very soft and crumbly (Carruthers and Strahan, 1923).

That reference in full is: Carruthers, R.G. and Strahan, A., 1923. Lead and zinc ores of Durham, Yorkshire and Derbyshire, with notes on the Isle of Man. Spec. Rep. Min. Res. G.B. Mem. Geol. Survey, GB. HMSO, London.

I think I may even have a paper copy of this somewhere. Or it's online here ;)

http://pubs.bgs.ac.uk/publications.html?pubID=B02750

So presumably there isn't yet any toadstone visible in the Hobgoblin's Hideaway? I'm wondering if the standing water there is literally the top of the lava? It must be close to 95m from surface?

Offline Rob

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Re: Intake Dale Mine Update
« Reply #51 on: April 03, 2020, 01:32:02 pm »
....In Intake Dale the lava was noted as being at a depth of 52 fathoms (95.1m) within the shaft and that it had a thickness of 24-25 fathoms (44-46m), with the top portion being very soft and crumbly (Carruthers and Strahan, 1923).....
So would that be interpreted that the original shaft went at least 95+45=140m deep?!?

The engine shaft is currently only 68m deep (from the surface).... and water table expected at 97m at the very most.
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Offline pwhole

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Re: Intake Dale Mine Update
« Reply #52 on: April 03, 2020, 01:53:09 pm »
Not here, no - the shaft stopped at the top of the lava. In Shuttle Rake mine (which seems a bit hard to define but there is an engine shaft way higher up the hill at SK 1549 7945), they went right through it, so I assume the thickness was determined from there. The lava is shown in Trevor's paper as extending (and dipping) eastwards right under Bradwell Dale and the shales - so presumably the water would tend to run along the top of the lava in that direction until it met natural passage running roughly along the strike toward the village?

The paper is here and the cross-section with the two shafts is on page 38 (of the PDF, not the original doc):

https://pdmhs.co.uk/MiningHistory/Bulletin%2017-5%20-%20The%20Geological%20Setting%20of%20the%20Lead%20Mines%20in%20the%20Northern%20Part%20of%20the%20White%20Peak.pdf

Offline Subpopulus Hibernia

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Re: Intake Dale Mine Update
« Reply #53 on: April 03, 2020, 06:44:34 pm »
Rob, thanks for being so open in sharing your trip reports and the survey. I know many would hold their cards much closer to their chest on a project like this, so it's great that you're letting us all come along for the ride. Looking forward to seeing how this project progresses, whenever it kicks off again.
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Offline AR

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Re: Intake Dale Mine Update
« Reply #54 on: April 03, 2020, 08:47:58 pm »
....In Intake Dale the lava was noted as being at a depth of 52 fathoms (95.1m) within the shaft and that it had a thickness of 24-25 fathoms (44-46m), with the top portion being very soft and crumbly (Carruthers and Strahan, 1923).....
So would that be interpreted that the original shaft went at least 95+45=140m deep?!?

The engine shaft is currently only 68m deep (from the surface).... and water table expected at 97m at the very most.

Some of the Moss Rake shafts were around the same depth as the Shuttle Rake shaft, it's deep but not exceptionally so. I suspect the miners found that sinking those 45m through the lava wasn't worth the effort; the tendency in the Peak is for the veins to be richest either on top of lava beds or in between two beds. High Rake goes into the Potluck Sill IIRC, and they had the misfortune to be trying to sink a shaft into the volcanic vent!

It's not impossible that there's another 30m of engine shaft at IDM; if the shaft wasn't immediately capped when the sparring began then a lot of rubble could have gone down it.
Dirty old mines need love too....

Offline Rob

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Re: Intake Dale Mine Update
« Reply #55 on: April 05, 2020, 06:53:03 pm »
Rob, thanks for being so open in sharing your trip reports and the survey. I know many would hold their cards much closer to their chest on a project like this, so it's great that you're letting us all come along for the ride.
It's not because I'm weirdly open or wouldn't care if anyone "pirated" the dig. Quite the reverse, cos if some did actually manage to brave the place, find the way, and push on beyond us I'd be very impressed and give then an instant invitation to join the Eldon 😂👍
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