 | | Report (issue) | | investigations of the manganese deposits of Rhiw, western Llyn, North Wales M J Brown and A D Evans \ BRITISH...investigations of the manganese deposits of Rhiw, western Llyn, North Wales Geochemistry M J Brown, BSc Geophysics...site/galena vein from the Gwynfynydd Gold Mine, near Dolgellau in North Wales This report was prepared for the...investigations of the manganese deposits of Rhiw, western Llyn, North Wales. British Geological Survey Technical...area lv/ynydd Rhiw area Detailed magnetic surveys Tyddyn lvfeirion Nant y Gadwen Mynydd Rhiw 11 13 21 24 |  | | Book | | A Mineralogy of Wales RfCHARD E. BEYfNS Ocpartmellf o[Geolngy, Nmin11a/Museum of\Valcs, Cardiff AMGUEDDFA...Colliery, Ponh, Mid Glamorgan. National Museum of Wales specimen 48.264.GR 175. ex Cymmer Welfare Library...CE 6 I CES IN WALES 9 30 127 138 6 INTRODUCTION The mineralogy of Wales is diverse. with over...reveal the presence of additional species new to Wales. and perhaps new to the British Isles. It is also...completely new to cience will be discovered in Wales. as techniques for analysing specimens become ever |  | | Journal (article/letter/editorial) | | X X V I I Banalsite, a new barium-felspar from Wales. By W. CA.~fPRELLSMITH, M.C., T.D., M.A., Sc.D....Ministry of Supply, took over the old Benallt manganese mine at Rhiw in the Lleyn Peninsula, Carnarvonshire...Carnarvonshire. A new shaft was sunk and a new mine was developed among and mainly below the old workings. It was...was in one of the old workings of Benallt that Mr. (now Sir) Arthur Russell discovered in 1911 the well-crystallized...are identified from X-ray powder photographs as jacobsite. Small interstices and minute veins are filled |  | | Book | | GEOLOGICAL SURVEY Geology of the country around Aberdaron, including Bardsey Island ., f' ., ..... ...for 1 :50 000 geological sheet 133 (England and Wales) This memoir, and the 1:50 000 map that it describes...Environment Research Council and the University of Wales College of Cardiff. The interpretations presented...deposits of head are restricted to the area around Rhiw in the south-east Complex sequences of diamicts...manganese ore. Ordovician INTRUSl\7E ROCKS ABERDARON BAY GROUP undivided or Porth Meudwy Forn1ation |  | | Journal (volume) | | flat, Admirality Concession Flat, Nentsberry Haggs Mine, Nenthead, Cumbria. Specimen width 60 mm. Trevor...Ddu and Bwlch Mawr, Clynnog-Fawr, Caernarfon, Gwynedd, Wales Tom F. Cotterell and Michael S. Rumsey 17–23...minerals from the manganese mines at Rhiw, Pen Llŷn, Gwynedd, Wales, including the first British occurrences...Kinoshitalite from Bennalt Manganese Mine, Rhiw, Pen Llŷn, Gwynedd, Wales: a first British occurrence Alan...Llancynfelyn, Central Wales John S. Mason 32–35 The mineralogy of Pim Hill Mine, Shropshire, with a |  | | Report (issue) | | 16.7897(14) Z=4 X-ray Powder Pattern: Benallt mine, Wales; close to stronalsite. 3.53 (100), 5.20 (90)...(2) 36.44 30.92 23.25 9.40 . 100.00 (1) Benallt mine, Wales. (2) Na2BaAl4Si4O16. Polymorphism & Series:...and in lenses in metamorphosed mudstone (Benallt mine, Wales). From altered ultramafic xenoliths in alkaline...tephroite, jacobsite, alleghanyite, pyrophanite, Mn-rich biotite, andradite, harmotome, apatite (Benallt mine...mine, Wales); magnetoplumbite, macedonite, roeblingite, natrolite, Na-Ca zeolites (Långban, Sweden). Distribution: |  | | Journal (volume) | | with minor hematite on cream dolomite. Florence Mine, Egremont, Cumbria. David Green photograph. BACK...2012 PAPERS Geology and mineralisation at Florence Mine, Egremont, Cumbria Brian Young 3-18 A geochemical...mineral assemblage of the Mendip Hills, Somerset, UK using a stability field model Trevor F. Bridges,...mineral species at the Benallt Manganese Mine, Rhiw, Pen Llŷn, Gwynedd, Wales Tom F. Cotterell 29-40...experience of an underground tour of the Florence Mine in Cumbria. With the closure of Florence, it is |  | | Report (issue) | | (Mn2+ , Fe2+ , Mg)(Fe3+ , Mn3+ )2 O4 Jacobsite c 2001-2005 Mineral Data Publishing, version 1 Crystal...the Sjö mine, near Grythyttan, Örebro. From the Benallt mine, near Rhiw, Lleyn Peninsula, Wales. In the...the Kombat Cu–Pb–Ag mine, 49 km south of Tsumeb, and from the Otjiwarongo district, Namibia. At the N’Chwaning...N’Chwaning mine, near Kuruman, Cape Province, South Africa, in crystals large for the species. From Broken...Broken Hill, New South Wales, and at the Iron Monarch quarry, Iron Knob, South Australia. From mines around |  | | Report (issue) | | 100.00 100.00 Chemistry: 70.25 2+ (1) Benallt mine, Wales; corresponds to (Mn 2+ 1:84 Mg0:10 Ca0: 08...Association: Zincite, willemite, franklinite, rhodonite, jacobsite, diopside, gageite, bustamite, manganocalcite...Sunnyside mine, San Juan Co., Colorado. From Buritirama, Piaui, Brazil. In the Harstigen mine, near Persberg;...and in the SjÄo mine, near Grythyttan, Orebro, Sweden. From the Benallt mine, near Rhiw, Lleyn Peninsula...Peninsula, Gwennyd, Wales. In the Meldon quarry, Okehampton, Devon, and the Treburland mine, Altarnun, Cornwall |  | | Journal (issue) | | Blue Chisel Point Baryte Blades from Force Crag Mine, Cumbria: .......................... . 14 - 15...now have the prospect of a world-class tungsten mine being developed atHemerdon in Devon, a full-scale...collection contains numerous excellent pieces from the UK and abroad. On one occasion he was invited to exhibit...on from the successful event last November, the Wales & West Branch, in conjunction with the Cheltenham...Museum will give a talk on new mineral finds in the UK as well as, hopefully, setting up a display related |  | | Journal (issue) | | fromFrizington, Cumbria,England. Stereomicroscopes The UK ]011malof Mines and Minerals publishes articles of...CIRCULATION, SALES & FINANCE Jean C. Spence SADDLEBACK MINE Peter Briscoe • David McCallum • Paul Nicholson...the Editorial Board. fEITKNECHTITE FROM BENALLT MANGANESE MINE Publication ofinformation on a collecting...0952-2409 Tom Cotterell 49 NORTH DEVON UNITED MINE Mike Rumsey • Mike Savage 53 PIUNTING DY Ratcliff&...Worksop, Notts. S80 2EE CLASSIFIED ADVERTISEMENTS UK Journal of Minos & Minerals No. 29 -1- EDITORIAL |  | | Catalog/List | | Ix! £3 lx2 £6 2x2 £10 34 ■ ANDRADITE Benallt Mine, Lleyn Wales Pale beige fine grained mass with reddish...serpentine. Ix! £5 lx2 £10 38 BANALSITE Benallt Mine, Lleyn Wales Rich brown mass with approx 5 % Cymrite...2x2 £30 Ba Na Al SiO 22 BANNISTERITE Benallt Mine. Lleyn, Wales Dark brown veinlets throughtout calcite/...fairly sparse. Ix½ £7 CuSe 73 ■ BRAUNITE Praboma Mine, St Marcel ,Piedmont, Italy Dark grey massive with...Long wave Jxl £4 442 ■■ CARYOPILITE Bemallt Mine, Lleyn Wales thin felty brown vens in Calcite Mn Mg OHSiO |  | | Catalog/List | | flat calcite-- attractive piece 6x4. Whitesmith Mine Stontian Scotland £25 7 ElJDIAL YTE rich red masses...covering all over the top surface 4x3cm Cassagna Mine, Ne Liguria Italy £ 25 14 STRONTIO-ORTHO JOAQU1N1TE...pinkish micro crystals on Boracite crystals Boulby mine Loftus Yorkshire 3x2cm £18 16 PRICEITE hard white...orange crystal sections on lx2cm surface Molinello Mine, Val Graveglia Italy £8 18 NATIVE COPPER a cleaned...long in Braunite, Piemontite and quartz Praboma Mine, St Marcel ,Aosta Italy 3.5 x3cm £12 25 RHODIZlTE |  | Peacor, Donald R., Essene, Eric J., Simmons, William B., Bigelow, and Wilbur C. (1974) Kellyite, a new Mn-Al member of the serpentine group from Bald Knob, North Carolina, and new data on grovesite. American Mineralogist, 59 (11-12) 1153-1156 | Journal (article/letter/editorial) | | Carolina. Associated minerals include galaxite, jacobsite, Mn-chlorite, alleghanyite, and sonolite. X-ray...spinels are of two types: a Mn-Fes* rich phase (jacobsite) and a MnAl rich phase (galaxite). These commonly...as a new mineral from the Benallt mine, Rhiw, Carnarvonshire, North Wales. They concludedthat this phaseis...Pennaltite, a new manganese-richchlorite from the Benallt mine, Rhiw, Carnarvonshire. Mineral. Mag. 27,217-220 |  | Liferovich, R. P., Mitchell, R. H., Zozulya, D. R., Shpachenko, A. K. (2006) Paragenesis and composition of banalsite, stronalsite, and their solid solution in nepheline syenite and ultramafic alkaline rocks. The Canadian Mineralogist, 44 (4) 929-942 doi:10.2113/gscanmin.44.4.929 | Journal (article/letter/editorial) | | for banalsite and stronalsite from the Benallt mine, in Wales, UK, Långban, in Sweden, and Khibina, in...données pour la banalsite et la stronalsite de la mine Benallt, au Pays de Galles, Långban, en Suède, et à...(Liferovich et al. 2006). At the Benallt mine (Rhiw Peninsula, Wales, UK), banalsite occurs in late-forming...associated with calcite, natrolite, tephroite, jacobsite, alleghanyite, pyrophanite, Mn-rich biotite, andradite...manganiferous carbonate ores, Benallt mine, Rhiw Peninsula, Wales, UK. c. Stronalsite in an altered xenolith |  | | Report (issue) | | Manganoan aegirine, manganoan biotite, paracelsian, jacobsite, hausmannite, rhodochrosite, rhodonite, rutile...Mariposa Co., California. At the Benallt mine, Rhiw, Lleyn Peninsula, Wales. From near Aberfeldy, Scotland...Piggery Creek, Broken Hill, New South Wales, Australia. In the Kaso mine, Totiki Prefecture, Japan. Name: |  | | Catalog/List | | Republic 908 ■■ FLUORO-POTASSIC HASTfNGSITE. Greenwood Mine, Orange Coun quite rich black metallic area on matrix...--------·-----. - --------860 ■ CELSIAN Benallt Mine, Lleyn, Wales 234 ■ GARRONITE Galboly Village, near...£10 2x2 £20 Feldspar lxl £5 403 CELSIAN Benallt Mine, Lleyn, Wales Green road Quarry, Ballyclare, County...187 HOLLANDITE Mynydd Nodal, Arcnig District, Gwynedd, Wal, 350 PAL YGORSKITE Dcvon,England Fairly rich...£ 12 Ca (Al Mn Fe} SiO 909 ■■ HUREAULITE Jocao Mine, Galilcia, Minas Gerais Brazil 992 PLUMBOGUMMITE |  | | Journal (article/letter/editorial) | | Bexxrsrnn, AND M. H. Hrv: A new barium-feldspar from Wales. Nature,154, No. 3906,336137 (lg4/). Naltu: From...massive, associated with tephroite, alleghanyite, jacobsite, barite and calcite in certain rare veinlets and...purple manganese ore from the Benallt mine near Rhiw, Carnarvonshire. Wales. Mrcn^er, Fr_rrscurn 86 NEW |  | | Journal (issue) | | and one member suggested that this could be in the UK or EU. COST A location with on-site accommodation...were identified: geological/mining walks, museums (UK or EU) and member's collections. ADDITIONAL COMMENTS...shown what the museum had from the Earl Ferrers' mine in Dimminsdale in North Leicestershire. I was disappointed...Subsequently I met Sir Arthur in the field at Ladywash Mine at Eyam and later had long discussions with him...at other minerals that have been important in the UK and then the important minerals we have to import |  | | Journal (article/letter/editorial) | | in drusy cavities in manganese ore at the Harstig mine, Pajsberg, Sweden. The associatedminerals are garnet...reported by A. O. Derby (1901) from the Piquery mine of the Queluz district, Minas Gerais, Brazil, as...white asbestiform mineral." Later, from the same mine, Derby (1908) reported transparent red grains of...occurrence of pyrophanite is from the Benallt mine, Rhiw, Carvarvonshire, Wales, where W. Campbell Smith (1947)...and data from the Ajiro mine were furnished by Dr. B. M. Page, and the X-mine specimen studied was supplied | | | Catalog/List | | inch area of curious flattened c1ystals Nanisivik ,Mine, Baffin island , North West Territories Canada £25...Specimen mounted on a plastic display base Volcano Mine, Tharis, l-Tuleva, Spain£25 15. MINIUM orange coating...x2 surface. with some minor green Pyromorphite 79 Mine Arizona USA £10 26. SMALTITE dark grey 5 111111...NICCOLITE quite rich mass in small I x2 matrix, la Rose Mine Cobalt Ontario Canada icENCE long wave. RE FLUO...50 % covered with micro orange Garnet Black Rock Mine, Kuruman, South Africa Ix1.5 £7.50 50. DOLOMlTE |  | | Journal (article/letter/editorial) | | Bexxrsrnn, AND M. H. Hrv: A new barium-feldspar from Wales. Nature,154, No. 3906,336137 (lg4/). Naltu: From...massive, associated with tephroite, alleghanyite, jacobsite, barite and calcite in certain rare veinlets and...purple manganese ore from the Benallt mine near Rhiw, Carnarvonshire. Wales. Mrcn^er, Fr_rrscurn |  | | Journal (article/letter/editorial) | | Laval] at 20:02 10 July 2014 Broken Hill, New South Wales, Australia F or mineral collectors introduced...Sterling Hill, New Jersey, and Broken Hill, New South Wales, Australia. The recent discovery of fine gem-quality...on galena specimen from the North mine, Broken Hill, New South Wales, Australia; field of view 8 cm. Canadian...Rhodonite also has been reported from the Stinson mine on Jenny Jump Mountain, Warren County, New Jersey...lapidary-grade massive rhodonite occurs in an old manganese mine north of Kid’s Store, Nelson County, Virginia, and |  | | Catalog/List | | edenite or ferroedenite ✓767 ■■ 62 AJOITE Christmas Mine, Gila County, Arizona USA / ' Blue -green veinlets...1.5 inches across £10 766 ■■ DIOPTASE Christmas Mine, Gita County, Arizona ,USA Green elongated micro...£24 Hydrocarbon 1129 ■■ ALMANDINE Brastad iron Mine near Arendal ,Norway Rich fine grained mass like...crystal. ½"£6 5mm£3 · AgFeS 768 ■■ AXINITE Obira Mine, Oita Prefecture,Japan Brown mass, with one or two...interest. ½" £3 Ix! £5 lx2 £8 1 ■ BANALSITE Benallt Mine, Lleyn, Wales rich brown mass with red-grey HEMATITE |  | | Journal (issue) | | UK TS 2 EDITORIAL 2 BUXTON COVER:A superbgreenfluoritetwin25 mmon edge from the Heights Mine, Westgate...Piddcollection. MUSEUM Ros Westwood 6 MINERAL NEWS 11 The UK ]011mal ef Mines a11dMinerals publishes articles...subscriptions and advertising. BARITE FROM BARRAS END MINE Peter Briscoe 15 DIGITAL MICRO-PHOTOGRAPHY David...FINANCE Jean C. Spence CESAflOLITE FROM EAGLEBROOK MINE Tom Cotterell 39 NEWS and EVENTS Mick Wolfe Richard...Richard Bell WURTZITE FROM LOCKRIDGE MINE Ben Grguric • Ernest Nickel 41 DESIGN Julie Ballard COPPER |
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