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Mine Exploration Forum

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Author cligga head Map
moltonman

Joined: 27/11/2009

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cligga head Map
Posted: 05/03/2013 23:56:17
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The timber deck at Contact Shaft station on 2 level ought to be avoided at all costs. It is now getting very rotten and it's a long way down to water.

That sounds like where we were - certainly a long way down and a timber deck. The give away (we were too naive to spot it) was the periodic holes at the edges of the tunnel were material had fallen through - don't think we even thought about them till we were on the way out..
IP: 92.6.38.173
geoff

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Joined: 18/04/2008
Location: Pendeen, Cornwall

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cligga head Map
Posted: 06/03/2013 07:40:26
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Roy Morton wrote:

The 'Red clay gallery' is just a bit of fun and as far as graffiti goes, is no problem at all. it does not really detract from the mine environment, or spoil anything. It's certainly a lot friendlier than spray paint Cursing and could be removed very easily.


I was probably particularly annoyed by this as members of the same academic institution have used spray paint in mines in the St Just area Guns
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tomh

Joined: 16/07/2009
Location: st austell

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cligga head Map
Posted: 06/03/2013 09:00:33
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Be very very careful near the end of the clay art gallery as there is a false floor, a section is missing and you can see a long way down IP: 213.123.188.1
derrickman

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Joined: 18/02/2009

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cligga head Map
Posted: 06/03/2013 10:37:21
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I've got some photos somewhere of that ore chute on 2 Level, taken about 1976. There was a "cunning plan" around that time, to pull or blow the chutes for bulk sampling of the contents by one or other of the parties contemplating the place, but fortunately wiser heads carried the day.

I don't care to think of the possible consequences, a general collapse of the rotten false floors, the whole lot descending into a great unstable pile and little or no sample recovery was a possible outcome.

Purely from a mining point of view, I wouldn't care to attempt any sort of underground recovery there and I can't see the nimbies allowing the headland to be worked by open-cast in any foreseeable future.


--

''the stopes soared beyond the range of our caplamps' - David Bick...... How times change .... oh, I don't know, I've still got a lamp like that.
IP: 86.30.241.199
Roy Morton

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Joined: 09/10/2007
Location: Redruth Cornwall

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cligga head Map
Posted: 06/03/2013 12:50:26
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The opencast theme has rattled on for years but the grades have been consistently too low to be of any worth. With the sett belonging to the Duchy, I dare say in the future any
objections may be 'circumvented' for the good of the 'boss'..?
If the tin price stabilises at around $28,000 we will see a lot of action in this part of the county.
The overall stability of that whole intrusion is questionable, and some years ago sensors were installed as far back as the runway.
As for paint Geoff , I'm with you on that Cursing Cursing Guns Guns

--

'Bid me discourse, I will enchant thine ear'
IP: 81.129.150.226 Edited: 06/03/2013 12:53:51 by Roy Morton
lozz

Joined: 03/08/2012
Location: Cornwall

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cligga head Map
Posted: 06/03/2013 12:52:39
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Used to be bits of ICI/Nobles lying around in that place in the early seventies, took the wife in there once to show her the workings...as the bishop said to the actress.

Lozz.
IP: 86.130.234.75
somersetminer

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Joined: 19/05/2012
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cligga head Map
Posted: 06/03/2013 19:08:46
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Roy Morton wrote:

The opencast theme has rattled on for years but the grades have been consistently too low to be of any worth. With the sett belonging to the Duchy, I dare say in the future any
objections may be 'circumvented' for the good of the 'boss'..?
If the tin price stabilises at around $28,000 we will see a lot of action in this part of the county.
The overall stability of that whole intrusion is questionable, and some years ago sensors were installed as far back as the runway.
As for paint Geoff , I'm with you on that Cursing Cursing Guns Guns


you know what grades they're going to be working at Hemerdon Roy? just sayin' Smile

Geoff, to be fair I doubt they put their bits of clay up specifically to p*ss you off. Agreed about the spray paint though, the only paint marks I'd be happy about would be surveyors ones...
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moltonman

Joined: 27/11/2009

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cligga head Map
Posted: 06/03/2013 19:28:59
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Isn't the surface area there a SSSI now? IP: 92.6.38.173
scooptram

Joined: 22/05/2007

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cligga head Map
Posted: 06/03/2013 19:32:29
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yea the s.s.s.i is to protect the lesser burnt out ford fiesta Laugh

--

playing with tin stream works
IP: 86.130.27.223
somersetminer

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cligga head Map
Posted: 06/03/2013 19:38:38
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moltonman wrote:

Isn't the surface area there a SSSI now?


doubt that'll hold things up if the Duchy decides its worth it they'll find a way round it. been done before...
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Roy Morton

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Joined: 09/10/2007
Location: Redruth Cornwall

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cligga head Map
Posted: 07/03/2013 00:18:55
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somersetminer wrote:



you know what grades they're going to be working at Hemerdon Roy? just sayin' Smile ...


I know the grade figures won't be getting anyone starry eyed, but I do think they have the reserves which I doubt Cligga has in a quantity to warrant opencast working.........yet!

The extract below is from the journal of the Cornwall Mining Development Association 1979, 31st annual report. Some good stuff in there. I'll see if I can get round to copying the lot and post it up.



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


--

'Bid me discourse, I will enchant thine ear' IP: 81.129.150.226 Edited: 07/03/2013 00:20:06 by Roy Morton
Alasdair Neill

Joined: 10/12/2008

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cligga head Map
Posted: 07/03/2013 09:37:18
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Understand Cligga is an extremely significant bat site. Any operations would have to take this into account. IP: 46.60.252.88
stuey

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Joined: 15/08/2007

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cligga head Map
Posted: 07/03/2013 11:05:30
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I've only seen one in there in the big stope.

I'd say it was an extremely significant potential bat site!

I know at Devon Friendship they were made to "unplug" Old Sump shaft (which still appears to be blocked, oddly). I'm not too sure about the effectiveness of bat site fussing in Cornwall give the total lack of action from any group regarding the Biopark and the plugging of shafts/ventilation pathways.
IP: 91.125.62.67 Edited: 07/03/2013 11:09:45 by stuey
Roy Morton

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Location: Redruth Cornwall

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cligga head Map
Posted: 07/03/2013 13:45:57
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stuey wrote:

I've only seen one in there in the big stope.

I'd say it was an extremely significant potential bat site!

I know at Devon Friendship they were made to "unplug" Old Sump shaft (which still appears to be blocked, oddly). I'm not too sure about the effectiveness of bat site fussing in Cornwall give the total lack of action from any group regarding the Biopark and the plugging of shafts/ventilation pathways.


Only 2 bats Stuey? About 10 years ago I lost count at around 75 And there were other places I didn't go, where I've seen bats previously.
Most times there are at least 10 or12 scattered about.
The new company, if it ever gets going, are said to be leaving all levels untouched and just concentrating on 5 level as I mentioned before. They will, no doubt, have to clear a level out as an emergency egress. The beach adit would be most likely candidate for that.

--

'Bid me discourse, I will enchant thine ear'
IP: 81.129.150.226 Edited: 08/03/2013 21:13:47 by Roy Morton
Alasdair Neill

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cligga head Map
Posted: 08/03/2013 09:58:42
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PCG member who is a professional bat worker said one of the odities about bats in Cligga is why they are there. Greater Horseshoe bats normally use features like walls to follow between roosts & feeding sites, which are lacking there. Perhaps they follow the cliffs round to valleys at Perranporth or Trevellas then follow the valleys inland. Numbers believed to be in excess of 100. IP: 46.60.252.99
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