	*Fisher, Jesse (2020) Fluorite From the North Pennines Orefield England. Rocks & Minerals, 95 (4). 306-347 doi:10.1080/00357529.2020.1744094*	Journal (article/letter/editorial)
	From the North Pennines Orefield England Figure 1. The Groverake mine, located in upper Rookhopeburn,...operating commercial fluorspar mine in the North Pennines, closing in 1999. Mine waste heaps (known locally...nineteenth centuries can be seen on the hills above the mine site. Figure 2 (left). A scattering of numerous...matrix, 14 × 10 × 7 cm, recovered from the Cambokeels mine in the early 1980s. Figure 3 (right). A penetration-twinned...× 4-cm specimen was recovered from the Rogerley mine in 2013. 306 ROCKS & MINERALS Figure 4. General
	*Fisher, Jesse (2004) Fluorite from the Northern Pennines Orefield England. Rocks & Minerals, 79 (6) 378-398 doi:10.1080/00357529.2004.9925743*	Journal (article/letter/editorial)
	Mountains, centered on the Weardale area of northern England, have yielded enormous amounts of both lead and...partner in UK Mining Ventures,which is operating a specimen-recoveryproject at the Rogerley mine in Weardale...Weardale, England. His most recent article for Rocks & Minerals was titled “The Rogerley Mine, Weardale,... County Durham, England” and appeared in the January/February 2000 issue. 378 ROCKS & MINERALS Downloaded...cost of rehabilitating and running an underground mine, coupled with everincreasing environmental concerns
	Dunham, K. C. (1990) Geology of the Northern Pennine Orefield - TYNE to STAINMORE, Economic memoir covering the areas of 1:50 000 and one-inch geological sheets 19 and 25, and parts of 13, 24, 26, 31 32 (England and Wales) (2nd ed.) Vol. 1. British Geological Survey, London.	Book (edition)
	Stainmore The northern one-third of the Backbone of England, that ridge of hilly country known since last century...subject of V ()lume 2. A small part of the Northumberland Trough as far as the Roman Wall is included...Pit Coal (the I~ondon Lead Company) and the W Beaumont Con1pany. The heyday of lead mining seemed to...a cavity in the Great Limestone flats, Boltsburn Mine. Collected by Sir Arthur Russell and now in the...sheets 19 and 25, and parts of 13, 24, 26, 31, 32 (England and Wales) LONDON: HMSO 1990 . I\. © C,rown
	Dunham, K. C. (1948) Geology of the Northern Pennine Orefield - TYNE to STAINMORE, Economic memoir covering the areas of 1:50 000 and one-inch geological sheets 19 and 25, and parts of 13, 24, 26, 31 32 (England and Wales) (1st ed.) Vol. 1. British Geological Survey, London.	Book (edition)
	MEMOIRS OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN ENGLAND AND WALF�S GEOLOGY OF THE NORTHERN PENNINE OREFIELD...inserted on the six-inch maps, and all available mine-sections were reduced to the common scale of 200...made by him. The willing co-operation of all the mine-owners and operators and their staffs made possible... B. Laporte & Co., the Owners of Settlingstones Mine Ltd., Holmside ·& South Moor Colliery Co. Ltd.,...MINERAL DEPOSITS :-DETAILS, AREA 3, WEST CHAPTER ALLENDALE CHAPTER IX. CHAPTER x.- WEN1' CHAP'tER

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Ankerite from Allenheads Mine (Beaumont Mine), Allendale, Northumberland, England, UK

Ankerite from
Allenheads Mine (Beaumont Mine), Allendale, Northumberland, England, UK