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Calcite from
Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK


Locality type:Open-Cast Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Ankerite3 photos of Calcite associated with Ankerite at this locality.
Chalcopyrite2 photos of Calcite associated with Chalcopyrite at this locality.
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Nant Helen opencast coal mine, Onllwyn, Neath Port Talbot, Wales, UK
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:82047
Long-form Identifier:1:3:82047:7
GUID (UUID V4):549392ac-cec8-427a-a759-d845968330d6
Nearest other occurrences of Calcite
2.4km (1.5 miles) Dyffryn Cellwen coal workings, Onllwyn, Neath Port Talbot, Wales, UK
17.1km (10.6 miles) Neath Abbey Copper Smelter, Neath, Neath Port Talbot, Wales, UK
19.4km (12.0 miles) Parc Colliery (Park), Cwmparc, Rhondda Cynon Taf, Wales, UK
20.9km (13.0 miles) Vaynor Quarry, Trefechan, Merthyr Tydfil, Wales, UK
25.3km (15.7 miles) Britannic Merthyr Colliery, Gilfach Coch, Rhondda Cynon Taf, Wales, UK
31.2km (19.4 miles) Mumbles Iron Mine, Oystermouth, Mumbles, Swansea, Wales, UK
31.9km (19.8 miles) Ty Coch Mine, Porthcawl, Bridgend, Wales, UK
33.4km (20.8 miles) Nantymwyn Mine (Cerrigmeyn Mine), Rhandirmwyn, Llandovery, Carmarthenshire, Wales, UK
33.6km (20.9 miles) Llanilid West Opencast Coalmine, Llanharan, Rhondda Cynon Taf, Wales, UK
34.4km (21.4 miles) Talachddu Mine, Talachddu, Felin-fach (Felinfach), Powys, Wales, UK
References
Reference Search (possible matching items)
Report (chapter)
2015 Thrust-related permeability in the South Wales Coalfield T. M. H A T H A W A Y & R. A. G A Y E...Sciences, University o f Wales, PO Box 914 Cardiff CF1 3 YE, UK Abstract: The South Wales Coalfield is a Variscan...thrust-related permeability should be developed in other coal-bearing foreland basins both associated with the...to form a highly effective gas migration pathway. Coal-bearing strata develop chevron folds with flexural...parallel to the strike of fold limbs. Incompetent coal seams are strongly sheared, producing cleavage duplexes
Journal (issue)
MARCH 2010 C SE RUSSELL SOCIETY NEWSLETTER Dr Helen Kerbey 15 Sir lvor Place, Dinas Powys, Vale of...Ocean; Chris reminded delegates that we actively mine millions of tonnes of sand and gravel aggregates...significant sources of metals, but the technology to mine them economically did not exist and they became...Promoting mineralogy and helping mineralogists in the UK and Ireland; Norman talked about how exhibits in...contacted many people and organisations across the UK). Jean-Claude writes: "My son and I are collectors
Journal (issue)
___ , ., ,___ . .. The Russell Society Dronch Mine, I Oal!eri D , 1..-, J Few Clicksl - -- LC•U~01....................................... Herodsfoot Mine Celebrated ..... ........................ ........bags being deposited on garage floors all over the UK. It was an altogether memorable trip - socially,...Society. Professor Bob Howie was major figure in UK geology and well known to many members. He will be...Curator: Mineralogy Specialist at National Museum Wales, has agreed to have his name put forward for the
Journal (issue)
................................... Foss Baryte Mine - Request for Information and Specimens ..........Society AGM weekend in 2015 will be organised by the Wales and West Branch. It’s bound to be a great experience...nice crystals? There will be events held around the UK and across the world, but one which caught my attention...as you will no doubt be aware, some parts of the UK are richer, mineralogically, than others and therefore...I have suggested an overview of the whole of the UK. I will be focussing on the period from the mid-eighteenth
Journal (issue)
day we were able to view them from Trewavas copper mine, further up the coast. The party returned to 7...lodes are known to have been worked in the adjacent mine sett between Wheal Rose and Loe bar. The lodes occur...to a mine known as Cog-an-bans or Goghan Bras, which is documented back to 1508. The modern mine was first...The prefix "Great" was added to distinguish the mine from the other sixteen mines with the same name...reached a depth of 150 fathoms. The main part of the mine, 300 metres to the south, and considered to be of
Journal (issue)
incompletely characterised mineral from Penberthy Croft Mine .. 16 Meeting & Field Trip Reports .............Mineralogy at Amgueddfa Cymru – National Museum Wales, in Cardiff, where I have worked for thirteen years... Many interesting mineral species, some new to Wales or the British Isles, have been identified and through...leading a fieldtrip to some long forgotten mine in Wales. I joined the Russell Society fifteen years...metallic ‘rocks’ that could be found on mine dumps in Mid-Wales during walking trips. My parents had no
Journal (issue)
Interesting Day in Prospect ........................ A New Mine in the North York Moors National Park?...................... Commissioning Underway at Drakewalls Mine (Hemerdon) What’s In a (Mineral) Name? ...........(14th November). These are perhaps the best of the UK shows and well worth a day of your time (other mineral...developments in terms of new mining enterprises in the UK. Hopefully the continuing up-turn (albeit slow) in...in the Niagara Falls district. He returned to the UK in the 1930s where he met Doris Holden. They were
Journal (issue)
Northern Ireland .................................. Mine water remediation project in Cornwall ............................................ Information on mine sites, mineral railways & tramways in the N.E. .................... . Chart topping rocks: Top 100 UK "Geosites" named ............................ Mineral...there and start poking around in quarries and on old mine tips. The "field trips and events" insert at the...aims the recording of new and interesting items of UK topographic mineralogy. If you think your group may
Journal (issue)
A New Potash Mine for North Yorkshire? ................................... Hemerdon Mine Closer to Reality...of the opportunity. Another collector friend of mine, with some really interesting material, seemed genuinely...considered the future prospects for mining in the UK to be pretty bleak, the last few months have seen...drilling in North Yorkshire for a potential new potash mine; optimistic press releases from Wolf Minerals regarding...Minerals Limited, which indirectly owns South Crotty Mine. Watch this space! Roy Starkey Hon.President, The
Journal (issue)
..... 5 6 7 8 10 12 12 13 16 16 17 News Items. UK Mining Snippets ................................................................................... UK and European mineral shows in2019 .................also a list of minerals shows taking place in the UK this year - along with some (but by no means all)...Society's central aims, the study and reporting of UK topographic mineralogy. The fact that reports of...of individual visits are regularly fed back to mine and quarry company managers and to the various other
Journal (issue)
'lloCi::l}'C:C.T.-l!:00-,~Q:.1 " t:::c r:i ee !.!=:lJFo-.i::: UK on d ln!ond min =I pbotoi;r:,phs. Thr Jw ~:J So.:c:%)...completion of their "The Minerals of Barry Island". The Wales and West Branch announce their hosting of the 2009...to develop a journal for British collectors "The UK Journal of Mines and Minerals" - Issue No.3 featured...Society, perhaps the premier organisation in the UK for amateur and professional mineralogists, and had...work. Mick placed a standing advertisement in the UK Journal of Mines and Minerals "Wanted Mineral Collecting
Book
Castle, Tickow Lane Lead Mine, Earl Ferrers' Lead Mine, Mancetter Manganese Mine, the Great North Museum...was started, the first being at Penberthy Croft Mine (2021). A real testament to the success of the Russell...the original excavation of the Tickow Lane Lead Mine was one of these projects (see the 'Society Projects...Cornish collectors along with Colin Sparrow and the Wales & West Branch, also in 1986, by Bob King who had...access to a small lead deposit (Tickow Lane Lead Mine), and extensive investigations and a feasibility
 
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