Dolwen Mine, Llanidloes, Powys, Wales, UKi

Regional Level Types
Dolwen Mine	- not defined -
Llanidloes	Community
Powys	County
Wales	Country
UK	Country

According to MEMOIRS OF THE GEOLOGICAL SURVEY.
SPECIAL REPORTS ON THE MINERAL RESOURCES OF GREAT BRITAIN.
VOL . XX. — LEAD AND ZINC. THE MINING DISTRICT OF NORTH CARDIGANSHIRE AND WEST MONTGOMERYSHIRE.
O. T. JONES, M.A., D.SC., PROFESSOR OF GEOLOGY AND MINERALOGY, VICTORIA UNIVERSITY, MANCHESTER (Late of the University College of Wales, Aberystwyth):

"DOLWEN OR DEBROKE.
(6-in. Sheet, Card 12 N.W., Long. 3°47’30 Lat. 52°23'15

Dolwen mine stands on the spur between the Myherin and Mynach valleys, at an altitude of nearly 1400 ft. There is no road within a considerable distance of the mine and access to it is difficult. In spite of these handicaps it maintained a fairly high output of ore for several years. The lode ranges S.W. towards Tygwyn or Mynach Vale mine, and dips to the south-east at 65°
to 70°. It is several feet wide and consists of brecciated mudstones belonging to the Frongoch formation, with quartz.
The main workings were carried out from an underlie shaft on the summit of the hill, and were partially drained by a shallow adit. The lode cannot be traced continuously in a south-westerly direction, but at a distance of half a mile, near the River Mynach, there are old shafts and an adit (about
870 O.D.) on a similar lode and having the same dip and strike. At this point it enters the Tygwyn property on the south side of the stream."

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