Author Topic: Digging, Things that should be looked at again ?  (Read 15743 times)

Offline yrammy

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Re: Digging, Things that should be looked at again ?
« Reply #50 on: June 13, 2017, 10:14:48 am »
Earth leakage trip, great (???) memories of TSG committee meetings..................

Online SamT

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Re: Digging, Things that should be looked at again ?
« Reply #51 on: June 13, 2017, 12:07:23 pm »

Derbyshire Hall in nettle?
Lloyds shaft in Eldon?
Bottom of the Abyse in Rowter?

All going somewhere!

Hows quarters going - you still digging it regular like.

2 out of 3 thirteen years ago isn't bad Sam. Got the winning numbers of the Eurolottery?

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Offline pwhole

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Re: Digging, Things that should be looked at again ?
« Reply #52 on: June 13, 2017, 12:43:03 pm »
Let's not forget that old fave 'impossible dig' high up on the hill above Speedwell, which remarkably is still going, after nearly three years continuous work - we hope to be through by the end of summer. Though as with all construction projects in Great Britain, deadlines should always be taken with a pinch of salt...

Offline Speleotron

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Re: Digging, Things that should be looked at again ?
« Reply #53 on: June 13, 2017, 01:42:26 pm »
What happened to the thing moose was digging a few years ago that was meant to be titan 2?
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Online alastairgott

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Re: Digging, Things that should be looked at again ?
« Reply #54 on: June 13, 2017, 01:57:12 pm »
I think It was Slack (or shack) hole, not to be confused with a hole on slackhole scrin.

It's the big monster shakehole south of JH Entrance. see the L shaped field in the centre of the OS map, the Hole is the shakehole marked in the bottom of the L.
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Online alastairgott

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Re: Digging, Things that should be looked at again ?
« Reply #55 on: June 13, 2017, 01:58:43 pm »
stupid thing reloads as soon as you open it! See L Shaped field South of Rowter Farm, in there!
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Offline Speleotron

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Re: Digging, Things that should be looked at again ?
« Reply #56 on: June 13, 2017, 03:01:04 pm »
That's the one, is it still being dug? I heard a lot of people talking about it back in 09/10 but not heard anything since.
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Online alastairgott

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Re: Digging, Things that should be looked at again ?
« Reply #57 on: June 13, 2017, 07:52:50 pm »
Not that i'm aware of, he's digging in transition tube at the moment and making a great job of it. Crawled to the end about 2months ago and was quite impressive!
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Offline danthecavingman

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Re: Digging, Things that should be looked at again ?
« Reply #58 on: June 13, 2017, 08:46:54 pm »
Pindale Cave, someone go dig it! Let me know where it ends up  :thumbsup:
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Offline Mark Wright

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Re: Digging, Things that should be looked at again ?
« Reply #59 on: June 17, 2017, 11:13:35 pm »
When was the last time anyone dug above Cohesion Sump?

I remember Norman Flux digging in there but it was a long time ago.

I've had a good look at the avens at the tops of all the slopes in this part of the cave but not the bottoms. I think the sump is blocked with mud at a reasonable depth, 20m springs to mind, I don't have a guidebook in front of me and I seem to remember somebody saying the underwater passage size being quite roomy. I bet Pitlamp will be able to confirm. 

This is a very interesting part of Peak Cavern, if you don't mind a lot of flat out crawling.

Mark

Offline Pitlamp

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Re: Digging, Things that should be looked at again ?
« Reply #60 on: June 18, 2017, 08:41:05 am »
Hello Mark; I just read your comments on a different topic about the old Pegasus hostel. Yes, a real shame; that was a fine place and a great deal of valuable exploratory work was done from there. Makes me wonder if there are any surviving hut log books?

But I digress - Cohesion sump is a steeply sloping large tunnel going down to something like 30 m depth where it's blocked by sediment. However I seem to remember that the most recent dive there met a blockage at much shallower depth resulting from spoil falling down the slope from that dig in the tube straight across the sump close to water level. This isn't a particular problem because I think CDG members had come to the conclusion that the end of Cohesion Sump is pretty much a no hoper. But the obvious question is where does that big tunnel actually go? Does it loop back up beyond the point reached by CDG members; in which case does that dig across the water offer a possible way into a continuation?

I remember several generations of SUSS members doing a great deal of work in there, aided and abetted by folk such as Norman.

The Peak system still has so many secrets left to unravel . . .

Offline pwhole

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Re: Digging, Things that should be looked at again ?
« Reply #61 on: June 18, 2017, 01:29:38 pm »
So the deepest (west) end of the sump must be just below the main Peak and Speedwell streamway beddings? The top of the sump on the main model is about 23m above the downstream end of Treasury Sump.

Offline Jenny P

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Re: Digging, Things that should be looked at again ?
« Reply #62 on: June 18, 2017, 03:10:20 pm »
Re. Pitlamp's query:

"I just read your comments on a different topic about the old Pegasus hostel. Yes, a real shame; that was a fine place and a great deal of valuable exploratory work was done from there. Makes me wonder if there are any surviving hut log books?"

The British Caving Library holds a compilation publication called "Pegasus Caving Log Books from 1963 onwards", which includes other items: newsletters 1975-1989, expedition reports Grotte de la Cigalere and Turkey and other items.  It has a photo of the original Hut in pristine condition and includes a number of colour photos. 

The Log Books are listed as "1963 to 2004-Infinity" and also include a few entries up to 2011.


Offline Pitlamp

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Re: Digging, Things that should be looked at again ?
« Reply #63 on: June 18, 2017, 04:38:23 pm »
Bless you Jenny!   :thumbsup:

Offline danthecavingman

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Re: Digging, Things that should be looked at again ?
« Reply #64 on: June 18, 2017, 11:16:38 pm »
The Cohesion dig is probably part of the Colostomy / Windpipe / Cadbury / Maypole Dig tube network and would possibly emerge in Colostomy at what Ben Bentham called 'Cigarette junction' - part way along Colostomy there is an airspace above a clay filled tube on the right hand side as you head uphill towards Speedwell. It's on the correct horizon anyway.

I heard a theory that the Cohesion sump was a washed out Pipe Vein on the bottom end of New Rake and probably wasn't heading anywhere.

Dan.
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Offline Pitlamp

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Re: Digging, Things that should be looked at again ?
« Reply #65 on: June 19, 2017, 07:55:30 am »
What's the evidence for this idea of the big tunnel not going anywhere? When I dived it I thought it looked like a fairly major phreatic passage. It reminds me of the large sloping tunnel seen up the Pit Props workings in nearby Speedwell in some ways. I'd not disagree about Colostomy Crawl being a possible destination for the small tube over the sump pool though.

Anyway, as the late and great Mr.P.B.Smith always took delight in pointing out: "Caves is where you find 'em.".

Offline pwhole

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Re: Digging, Things that should be looked at again ?
« Reply #66 on: June 20, 2017, 01:22:05 am »
Quote
What's the evidence for this idea of the big tunnel not going anywhere? When I dived it I thought it looked like a fairly major phreatic passage. It reminds me of the large sloping tunnel seen up the Pit Props workings in nearby Speedwell in some ways. I'd not disagree about Colostomy Crawl being a possible destination for the small tube over the sump pool though.

That's what I'm thinking - it could have gone somewhere once upon a time if it's phreatic. It seems to be going in the 'wrong' direction, but that may just be as there's not enough exposed yet - or it's following another vein for a bit before turning. The large one in Pit Props (now named Ford's Cavern I assume you mean) does seem to dome out at the top though, with no obvious way on, so that could just be an upward solution cavity. There's still that huge empty space to the north on the system though, beyond Moss Chamber, which can't all be solid rock - so many veins converge at the base of Middle Bank Gully, near the eastern corner of the Speedwell Vent, and surface water sinks rapidly in Cowlow Nick too - and somewhere in there is also the Blue John/Treak Cliff conduit. which must bring a lot in winter. So there could well be more large passage around there.

This is all in the area that conveniently sits under the info panel on the current printed Peak-Speedwell survey, and which may have to be moved for the next edition.

Offline Pitlamp

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Re: Digging, Things that should be looked at again ?
« Reply #67 on: June 20, 2017, 07:41:59 am »
Nay, that's what I thought when we dived Cliffhanger Sump and took the cave westwards off the paper; there was a joke at the time that John Beck would have to redraw the whole system. When he produced the next edition he cunningly put the new bit into an inset, which we always said was cheating!

Online Mrs Trellis

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Re: Digging, Things that should be looked at again ?
« Reply #68 on: June 21, 2017, 07:40:10 pm »
Surely the basalt chucked out by the vent will have filled the open bits around the Speedwell vent.

I agree about the blank area north of Moss Chamber but the fp from Speedwell to the Stones needs plotting against the Peak/Speedwell survey. Note a passage (walled up?) on the east side of the Speedwell adit before Half-way House.
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Offline Pitlamp

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Re: Digging, Things that should be looked at again ?
« Reply #69 on: June 22, 2017, 11:16:24 am »
Good point about that walled up passage.

Didn't the "open bits" around the Speedwell vent only become open long after the volcano (as it's normally interpreted) became dormant?

Online alastairgott

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Re: Digging, Things that should be looked at again ?
« Reply #70 on: June 22, 2017, 12:44:16 pm »
Surely the basalt chucked out by the vent will have filled the open bits around the Speedwell vent.

Dunno, But I'm sure we'll find out.
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Offline pwhole

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Re: Digging, Things that should be looked at again ?
« Reply #71 on: June 22, 2017, 09:52:07 pm »
If the vent is a vent, then it's likely to be 300 million or so years old, whereas the top karstified surface (previously covered with shale) will only be a million or so I guess, so plenty of potential for voids. The current shale margin is only about 30m away, and there's also that whopping great phreatic tube at the west end of Peakshole Sough, just sat there right under the shale, minding its own business, at 201m AOD. That's a good horizon for large tubes not that far south, so couldn't this be another fragment of the undiscovered section? Isn't it the same tube as Goosehill Cave?

Offline doughobbs

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Re: Digging, Things that should be looked at again ?
« Reply #72 on: July 05, 2017, 12:32:46 pm »
There could be a "Digs of the Peak District" book here! ;D
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Online Topimo

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Re: Digging, Things that should be looked at again ?
« Reply #73 on: July 05, 2017, 02:39:14 pm »
I will be heading down Fatigue Pot late afternoon on the 18th if anyone would like to join. Looking at enlarging the south east end rift which heads towards (but well underneath) the dale's beck.

If anyone has a suitable pelicase or drybag arrangement for a drill it would be much appreciated, the last trip caused a bit of mud ingress I'd like to avoid...
« Last Edit: July 05, 2017, 03:07:43 pm by Topimo »

Online alastairgott

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Re: Digging, Things that should be looked at again ?
« Reply #74 on: July 05, 2017, 06:09:01 pm »
Mine works OK, but is heavy on the drybags if you remember. 1 good drybag inside another aldi drybag.

Also a cheap rollmat from decathlon or the like can be fashioned into a pouch for the drill, with liberal use of duct tape.
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