Penrhyn Iron Mine. · AditNow Community

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Gwyn
50.2% (Neutral)
Newbie Topic Starter

17 years ago

Ironstone within the Nant Ffrancon Formation has been mined near Betws Garmon (SH544 579), Llandegai (SH590 696), Aber (SH670 724) and in the Nant Ffrancon Pass (SH643 622).
I have strong suspicions that Cwm Ceunant (SH 625 637) was for the same purpose, as were other trials in the same rock formation. See,
Geology of the country around Bangor.
Howells, Reedman and Leveridge.
British Geological Survey. H.M.S.O. 1985.
ISBN 0 11 884417 2

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Wyn
50.2% (Neutral)
Newbie

17 years ago

This used to be a fairly interesting place to visit years ago (when I were a kid....). With shaft, rails, wagon, dead sheep etc. Then it was all backfilled and planted, a way of getting rid of some of the excavated materials from the A55 improvements (so I was told).
Went there last November to see if there was anything at all, but was disapointed.

carnkie
50.2% (Neutral)
Newbie

17 years ago

Forgive my ignorance (I know absolutely nothing about this area) but what is the mine (i assume it's a mine) just to the north of the GR for Cwm Ceunant on the Google Earth satellite pic.

The past is a foreign country: they do things differently there.

Wyn
50.2% (Neutral)
Newbie

17 years ago

If it's the V large site, that's Penrhyn Slate Quarry.

carnkie
50.2% (Neutral)
Newbie

17 years ago

Cheers, that will be it.

The past is a foreign country: they do things differently there.

Gwyn
50.2% (Neutral)
Newbie Topic Starter

17 years ago

Thanks for drawing my attention to Google Earth. The picture/slab in question appears to a new one, Summer, 2006, being my guess.

carnkie
50.2% (Neutral)
Newbie

17 years ago

You have no doubt seen this by I was rather taken with it.

🔗Personal-Album-272-Image-031[linkphoto]Personal-Album-272-Image-031[/linkphoto][/link]

The past is a foreign country: they do things differently there.

Gwyn
50.2% (Neutral)
Newbie Topic Starter

17 years ago

The Snowdonia National Park has been aerially photographed several times. At least one set was 10"X8" negatives and photographed in stereo. These are not to be viewed if suffering from vertigo!
I suspect that all the sets have overruns outside the Park boundaries and that the camera/s were left running over Blaenau Ffestiniog. I don't know where these pictures are held.
I also suspect that somebody may have some high resolution, high altitude/satellite images of the area, taken in various wavelengths.

Vanoord
54.4% (Neutral)
Newbie

17 years ago

The Welsh Assembly (formerly Welsh Office) has got several full sets of aerial photos of the whole of Wales done for them by the RAF, at a decent resolution.

I've seen some which date back to 1948 and then every few years up to the late 1990s, at which point - I believe - no more photography was carried out as satellite technology took over.

Hello again darkness, my old friend...