725 results
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Gwaith Plwm a Sinc Abbey Consols
Mae mwynglawdd Abbey Consols (sy’n cael ei adnabod hefyd fel Bronberllan, Florida neu Cwm Mawr Rhif 2) tua 1km i’r dwyrain o bentref Pontrhydfendigaid yng Ngheredigion. Mae’n edrych draw tua mynachlog Abbey Ystrad Fflur ar lan Afon Teifi gyferbyn. Mae’r mwynglawdd yn un o dri y gwyddom iddyn nhw gael effaith andwyol ar ansawdd dŵr Afon Teifi gan achosi i’r afon fethu â chyrraedd safonau dŵr o dan Gyfarwyddeb Fframwaith Dŵr Ewrop (WFD) ar gyfer sinc. Esgair Mwyn a... MoreCloses 28 February 2030 -
Abbey Consols Lead & Zinc Mine
Abbey Consols Mine (also known as Bronberllan, Florida or Cwm Mawr No. 2) lies 1km east of the village of Pontrhydfendigaid, Ceredigion and overlooks Strata Florida Abbey on the opposite bank of the River Teifi. The mine is one of three known to have an impact on water quality in the River Teifi, causing it to fail European Water Framework Directive (WFD) standards for zinc. The other significant mines in the area are Esgair Mwyn and Cwm Mawr. Strata Florida Abbey was founded... MoreCloses 28 February 2030 -
Old Castle Down SSSI - Grazing to Help Wildlife
Cliciwch yma i ddarllen y dudalen yn Gymraeg / Click here to read this page in Welsh Old Castle Down Old Castle Down is designated as a Site of Special Scientific Interest (SSSI) due to several distinct features including limestone grassland, limestone heath and humid heath. The variation in these plant communities reflects the changes in the calcium carbonate content of the soils. On the west side of the B4265 the calcareous grassland is dominated by sheep’s fescue grass... MoreCloses 22 September 2030 -
Cwmystwyth Lead Mine
Cwmystwyth Mine is approximately 6km northeast of the village of Pont-rhyd-y-groes, Ceredigion. The mine covers around 250ha on the steep northern slopes of the Ystwyth Valley, with some minor workings on the southern slopes. Cwmystwyth exploited three mineral lodes over the course of its operation, namely Comet, Kingside and Mitchell. The earliest mining at Cwmystwyth has been dated to the Early Bronze Age, when copper was extracted from the Comet lode in an... MoreCloses 19 October 2043 -
Gwaith Plwm Cwmystwyth
Lleolir mwynglawdd Cwmystwyth tua 6km i’r gogledd-ddwyrain o Bont-rhyd-y-groes yng Ngheredigion. Mae mwyngloddiau metel segur yn achosi llygredd sylweddol yng Nghymru, gan niweidio ecoleg afonydd gyda metelau fel cadmiwm, plwm, sinc a chopr. Mae tua 1,300 o fwyngloddiau metel segur yng Nghymru yr amcangyfrifir eu bod yn effeithio ar 700 cilometr o afonydd. Mae Cyfoeth Naturiol Cymru (CNC) a’r Awdurdod Glo yn gweithio gyda’i gilydd ar y... MoreCloses 19 October 2043 -
Nant y Mwyn Lead Mine
The Nant y Mwyn mine is located close to the village of Rhandirmwyn in Carmarthenshire; approximately 10 km to the north of Llandovery. There is evidence of ancient mining (pre-Roman) at the site however most of the workings date from the 16th through to the 20th centuries. Mining activity at Nant y Mwyn mine during the early 20th century was intermittent and the site was abandoned during the early 1930s. The workings can be divided into two main... MoreCloses 19 October 2043 -
Gwaith Plwm Nant y Mwyn
Lleolir mwynglawdd Nant y Mwyn gerllaw pentref Rhandir-mwyn yn Sir Gaerfyrddin; tua 10 km i'r gogledd o Lanymddyfri. Mae tystiolaeth o fwyngloddio hynafol (cyn-Rufeinig) ar y safle, fodd bynnag mae'r rhan fwyaf o'r gweithfeydd yn dyddio o'r 16eg ganrif hyd at yr 20fed ganrif. Ysbeidiol fu gweithgarwch mwyngloddio yn Nant y Mwyn ar ddechrau’r 20fed ganrif a rhoddwyd y gorau i’r safle yn gynnar yn y 1930au. Gellir rhannu'r gweithfeydd yn ddwy... MoreCloses 19 October 2043 -
Van Metal Mine
Van Mine is located in the rural hamlet of Y Fan, approximately 3km northeast of Llanidloes, Powys. Van Mine was a former lead, zinc, and silver mine. It was one of the most productive lead mines in Europe in the 1870s. Records of mining trials date back to 1850, with the first ore produced in 1866. Production started to decline in the 1890s and eventually closed in 1921 primarily due to the fall in lead prices due to cheaper foreign imports. Several heritage assets... MoreCloses 19 October 2043 -
Mwynglawdd Metel y Fan
Mae Mwynglawdd y Fan ym mhentref bach gwledig y Fan, tua 3km i'r gogledd-ddwyrain o Lanidloes, Powys. Roedd Mwynglawdd y Fan yn hen fwynglawdd plwm, sinc ac arian. Roedd yn un o'r mwyngloddiau plwm mwyaf cynhyrchiol yn Ewrop yn y 1870au. Mae cofnodion o dreialon mwyngloddio yn dyddio'n ôl i 1850 a chafodd y mwyn cyntaf ei gynhyrchu ym 1866. Dechreuodd cyfradd y cynhyrchu ostwng yn y 1890au ac yn y diwedd caeodd y mwynglawdd ym 1921 yn bennaf oherwydd y gostyngiad... MoreCloses 19 October 2043 -
Mwynglawdd Plwm a Sinc Dylife
Mae Mwynglawdd Dylife 13km i'r gogledd-orllewin o Lanidloes, Powys, ar y ffordd fynyddig i Fachynlleth. Cafodd ei nodi fel un o brif ffynonellau metelau dalgylch Afon Dyfi ac mae'n gyfrifol am y ffaith fod Afon Twymyn yn methu cyrraedd safonau'r Gyfarwyddeb Fframwaith Dŵr Ewropeaidd ar gyfer sinc, plwm a chadmiwm. Roedd Dylife yn tynnu plwm a sinc o dair gwythïen: Dylife, Esgairgaled a Llechwedd Ddu. Mae'n bosibl bod y gweithfeydd cloddio cynharaf yn dyddio o gyfnod y... MoreCloses 19 October 2043 -
Cwmnewydion metal mine project
The Cwmnewydion project is focused on Graig Goch mine and Frongoch Adit, which are situated within the Cwmnewydion valley, located approximately 1.5 km southwest of Trisant village and 3.75 km northwest of Pont-rhyd-y-groes in Ceredigion. The Nant Cwmnewydion watercourse flows along the valley floor immediately adjacent to the northern boundary of Graig Goch mine. Upstream to the east of Graig Goch mine is Frongoch Adit and Wemyss mine. Frongoch mine is further to the... MoreCloses 19 October 2043 -
Prosiect mwynglawdd metel Cwmnewydion
Mae prosiect Cwmnewydion yn canolbwyntio ar fwynglawdd Graig Goch a Cheuffordd Frongoch, sydd wedi'u lleoli o fewn Cwm Cwmnewydion, tua 1.5 km i'r de-orllewin o bentref Trisant a 3.75 km i'r gogledd-orllewin o Bont-Rhyd-y-groes yng Ngheredigion. Mae cwrs dŵr Nant Cwmnewydion yn llifo ar hyd llawr y dyffryn yn union gerllaw ffin ogleddol mwynglawdd Graig Goch. I fyny'r afon i'r dwyrain o fwynglawdd Graig Goch mae Ceuffordd Frongoch a mwynglawdd Wemyss. ... MoreCloses 19 October 2043 -
Metal mine water pollution
Pollution from Abandoned Metal Mines Abandoned metal mines cause extensive pollution in Wales, with approximately 1,300 sites estimated to impact water quality and ecology in over 700 km of watercourses. Natural Resources Wales (NRW) and the Mining Remediation Authority (formerly Coal Authority) are working together to tackle this pollution, making our rivers cleaner and healthier to benefit people, wildlife and the economy. Causes... MoreCloses 19 October 2043 -
Llygredd dŵr mwyngloddiau metel
Llygredd o Fwyngloddiau Metel Segur Mae mwyngloddiau metel segur yn achosi llawer o lygredd yng Nghymru. Mae tua 1,300 o safleoedd ar hyd a lled ein gwlad, ac amcangyfrifir eu bod nhw’n effeithio ar dros 700km o gyrsiau dŵr . Mae Cyfoeth Naturiol Cymru (CNC) a’r Awdurdod Adfer Safleoedd Mwyngloddio yn cydweithio i fynd i’r afael â ’r llygredd hwn, er mwyn gwella iechyd ein hafonydd, er budd pobl, bywyd gwyllt a’r economi. ... MoreCloses 19 October 2043 -
Dylife Lead & Zinc Mine
Dylife Mine is located 13km northwest of Llanidloes, Powys, on the mountain road to Machynlleth. It has been identified as a major source of metals to the Afon Dyfi catchment and is responsible for the Afon Twymyn failing to achieve European Water Framework Directive standards for zinc, lead and cadmium. Dylife exploited lead and zinc from three mineral lodes: the Dylife, Esgairgaled and Llechwedd Ddu. The earliest workings are possibly of Roman date and may have been linked to the... MoreCloses 19 October 2043 -
Wemyss Lead & Zinc Mine
The abandoned Wemyss Mine is 15km southeast of Aberystwyth, Ceredigion. It is located at the head of the Cwmnewydion valley, a tributary of the River Magwr, which joins the River Ystwyth at Abermagwr. The mine worked the Frongoch mineral lode alongside Frongoch and Graig Goch mines. Wemyss became an integral part of the larger Frongoch Mine and cannot be considered in isolation from its more illustrious neighbour. In the 1840s both mines came under the same... MoreCloses 26 October 2043 -
Gwaith Plwm a Sinc Wemyss
Mae Mwynglawdd segur Wemyss ryw 15km i'r de-ddwyrain o Aberystwyth, Ceredigion. Mae wedi ei leoli ar ben dyffryn Cwmnewydion, un o lednentydd Afon Magwr, sy'n ymuno ag Afon Ystwyth yn Abermagwr. Gweithiodd y wythïen mwynau Frongoch ochr yn ochr â mwyngloddiau Frongoch a Chraig Goch. Daeth Wemyss yn rhan annatod o Fwynglawdd Frongoch ac ni ellir ei ystyried ar wahân i’w gymydog mwy disglair. Yn y 1840au daeth y ddau fwynglawdd o dan yr un berchnogaeth, ac fe... MoreCloses 26 October 2043 -
Mwynglawdd Parc
Mae Mwynglawdd Parc yng Nghoedwig Gwydyr ym Mharc Cenedlaethol Eryri, tua 1.6km i'r de-orllewin o Lanrwst a thua 5km i'r gogledd o Fetws-y-Coed. Bu gwaith achlysurol ym Mwynglawdd Parc rhwng 1855 a 1963 a chloddiwyd dros 10,000 tunnell o blwm a 4,000 tunnell o sinc. Trwy ei weithfeydd tanddaearol, mae’r mwynglawdd yn cysylltu ag un ar ddeg o fwyngloddiau eraill, ac mae'n agos iawn at nifer o fwyngloddiau annibynnol eraill fel Mwynglawdd Hafna a Mwynglawdd... MoreCloses 21 December 2043 -
Parc Mine
Parc Mine is located in the Gwydir Forest within the Snowdonia National Park, approximately 1.6km southwest of Llanrwst and approximately 5km north of Betws-y-Coed. Parc Mine was worked sporadically from 1855 to 1963, recovering over 10,000 tons of lead and 4,000 tons of zinc. The mine is interconnected via its underground workings with eleven other mines, and sits in close proximity to numerous other independent mines such as Hafna Mine and Pandora Mine. When the... MoreCloses 18 December 2045
725 results.
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