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Mine Exploration Forum

Author 'Slants'
pwhole

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Joined: 22/02/2011
Location: Sheffield and the Peak District

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'Slants'
Posted: 20/11/2020 18:48:33
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There's an old ganister mine in Sheffield that I pass on one of my regular walks, and when I checked it out on an old OS map (1922 Derbyshire - it wasn't there long!) I saw the workings referred to as 'slants'. I've never heard this term used before, and none of the historians/geologists I know recognise it either. The remains to the south of the track are just two large, ill-defined wide trenches with an obvious blocked entrance at the inner end of each, and they are on a slope (south to north), so I can appreciate the use of 'slant' in terms of orientation, but this seems to be used more in the context of a specific mining method or structure. The lower (north) one is on private land so I haven't checked it.

Has anyone else come across this term?



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IP: 81.174.241.13 Edited: 20/11/2020 18:49:41 by pwhole
Mr.C

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Joined: 23/03/2008
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'Slants'
Posted: 20/11/2020 19:40:12
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I've heard it used to describe what I'd call a footrall / small drift mine.

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IP: 95.145.205.69 Edited: 20/11/2020 19:56:22 by Mr.C
AR

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Joined: 07/11/2007
Location: Knot far from Knotlow in the middle of the Peak District

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'Slants'
Posted: 20/11/2020 20:44:30
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Are the beds rising or dipping at that location Phil? That would make sense of the name for a level following the ganister seam up or down-dip.

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staffordshirechina

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Joined: 15/11/2009
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'Slants'
Posted: 20/11/2020 21:42:18
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I would agree with Mr C, it is a term I would associate with a drift, incline or footrail. IP: 2.98.87.51
Morlock

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'Slants'
Posted: 20/11/2020 22:08:34
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From Wiki mining terms.

"Slope

A slope road, also known as a slant (in Wales), downbrow, or gug (Somerset) was a roadway driven at an angle to a level course."

From another source.

http://www.healeyhero.co.uk/rescue/glossary/glossary.htm#S
IP: 86.167.230.207 Edited: 20/11/2020 22:23:11 by Morlock
pwhole

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'Slants'
Posted: 20/11/2020 23:46:48
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AR wrote:

Are the beds rising or dipping at that location Phil? That would make sense of the name for a level following the ganister seam up or down-dip.


There's very little exposed rock beneath clouds of bracken, but I would hazard a guess that the beds are dipping to the NE, so pretty much parallel to the slope of the hill at that point. I've searched my archive, and as far as I can remember, this is one of the two entrances, looking south, i.e. uphill. The entrance seems to be declining relative to horizontal. I'll be up there next week as there's an old coal mine about 50 metres away in that clump of trees to the SE that looks like it may get 'modified' soon, and I'm just waiting for all the leaves to drop so I can see it properly.



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IP: 81.174.241.13 Edited: 20/11/2020 23:48:06 by pwhole
pwhole

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Location: Sheffield and the Peak District

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'Slants'
Posted: 21/11/2020 00:03:23
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I found a Google Earth image that shows them quite well:



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IP: 81.174.241.13
Dr J

Joined: 26/09/2006
Location: Bromsgrove

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'Slants'
Posted: 22/11/2020 01:19:22
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Occasionally see this term on historical maps for Bathstone workings too, so seems the term can range to cover from shallower angle drifts/declines right through to steeply dipping slopeshafts...

Certainly not just limited geographically either, given the label appears on coal sites in Wales, Yorkshire clearly, and Wiltshire....seem to recall spotting them on OS plans elsewhere too, just not remembering where!

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Morlock

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'Slants'
Posted: 22/11/2020 09:47:56
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Seems to be used in Scotland.

"The history of No. 20 Mine is uncertain; from the numerical sequence it might be imagined that No. 20 opened in the late 1870's, although the 1895 OS map shows only an "old shaft" on the site subsequently developed as the "Slant Mine" ."

https://www.scottishshale.co.uk/GazMines/Polbeth20Mine.html
IP: 86.162.88.227 Edited: 22/11/2020 09:49:32 by Morlock
Cuban Bloodhound

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'Slants'
Posted: 22/11/2020 10:22:31
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There's a description of a 'slant road' in here: http://scottishmining.co.uk/Indexes/Barrowman.html IP: 91.125.25.239
pwhole

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Location: Sheffield and the Peak District

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'Slants'
Posted: 23/11/2020 12:03:14
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Thanks for the contributions. I've never seen it used in my area before, though I may just not have looked at enough maps yet! It seems these workings were connected (or related) to the stuff higher up the hill toward Owler Bar where the Dyson's factory was, but they only appear on one issue of the OS map so were relatively short-lived - most of these ganister mines were, presumably down to a paucity of workable mineral rather than adverse conditions or an inability get permissions. To be honest I'm amazed at just how many mines opened and closed around west Sheffield in a couple of decades. IP: 81.174.241.13
alexECP

Joined: 30/10/2008
Location: CHESTERFIELD

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'Slants'
Posted: 23/11/2020 20:33:50
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Ar you familiar with the book "The forgotten Mines of Sheffield",this deals with Gannister mining generaly but only the briefest of mentions of the area you describe.I can see no other mention "Slants" other than on included map. IP: 79.67.135.225
pwhole

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Location: Sheffield and the Peak District

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'Slants'
Posted: 23/11/2020 22:34:32
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The Ray Battye one? I think that's it - I've seen a copy in the library, but as you point out it doesn't really cover this area, which is a shame. I had a few hours spare today so had a walk over from the old Dyson's factory - there's a bunch of big old hollows behind it which I assume are from old coal mining, but lower down, on the way to the slants, I found a nice heavy brick of ganister - super-heavy and very hard and cream-coloured. There were some scrapings here and there which may have been trials, but it's hard to tell around there as it's so overgrown.

I got a few photos of the slants themselves, but the bracken hasn't really died back enough to get a good idea of the shape, but I'll post them all later when I've sorted them out.



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