Tyllau mwn (Friar's Coat), Dinas Mawddwy, Gwynedd (Merionethshire), Wales, UK
A remote location marked on old OS maps as Tyllau mwn (mine shafts). Thought to be the site of an unsuccessful trial referred to under the name of Friar's Coat in 1770. According to the Geological Survey, iron ore (bedded oolitic ironstone with magnetite) was raised here in about 1878, 1910 and 1920.
UK Grid Reference: SH844205
8 entries listed. 8 valid minerals.
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Locality Updated: Bixbyite locality, Sierra Co., New Mexico, USAFrom Steve Stuart, 24th Nov 2014 02:59:37