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Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UKi
Regional Level Types
Castell Carn Dochan- not defined -
LlanuwchllynCommunity
GwyneddCounty
WalesCountry
UKCountry

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PhotosMapsSearch
03227910017272019777146.jpg
Native Gold, etc.

Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
07173780017272019793853.jpg
Native Gold, etc.

Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
01057380017272019826248.jpg
Native Gold

Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
03227910017272019777146.jpg
Native Gold, etc.

Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
07173780017272019793853.jpg
Native Gold, etc.

Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
01057380017272019826248.jpg
Native Gold

Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
03227910017272019777146.jpg
Native Gold, etc.

Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
07173780017272019793853.jpg
Native Gold, etc.

Castell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
Latitude & Longitude (WGS84):
52° 51' 40'' North , 3° 42' 30'' West
Latitude & Longitude (decimal):
52.86116,-3.70835
GeoHash:
G#: gcmkex5dt
GRN:
N36W02
UK National Grid Reference:
SH850307
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Bala1,974 (2017)9.3km
Trawsfynydd628 (2017)15.1km
Dolgellau2,688 (2017)17.8km
Llan Ffestiniog864 (2017)18.3km
Cerrigydrudion289 (2017)20.5km
Mindat Locality ID:
5024
Long-form identifier:
mindat:1:2:5024:4
GUID (UUID V4):
0
Other/historical names associated with this locality:
Merionethshire


A small mine, and by far the most easterly mine within the Merioneth gold-mining area, being isolated over 6 miles to the east of the northerly group of mines that includes the well-known Gwynfnydd Mine.

Castell Carn Dochan was a relatively late discovery in the area, a company being formed in Manchester in 1863 to work the mine after gold was discovered here by a 12 year old boy, although many quartz boulders showing visible gold were scattered on the hillside.

Operations between 1864-66 produced 1508 ounces of gold from 3158 tons of quartz, with fine specimens being found underground. However, yields declined by 1866, and the plant was sold in 1876 following a winding-up order.

Later revived, the mine worked on a small scale till 1905. Records show 12.5 ounces of gold from 50 tons of quartz in 1889, and 393 ounces of gold from 2638 tons of quartz between 1895-98. The deep adit, north-east of the mine from near the river, was completed about 1901.

Castell Carn Dochan was the 4th most productive of the Merioneth gold mines. Some lead was also produced.

ref. - The Gold Mines of Merioneth, G.W. Hall (undated)

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


15 valid minerals.

Detailed Mineral List:

ⓘ Anatase
Formula: TiO2
ⓘ Anglesite
Formula: PbSO4
ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Bismuthinite
Formula: Bi2S3
ⓘ 'Chlorite Group'
ⓘ Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ⓘ Galena
Formula: PbS
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
ⓘ Hydrozincite
Formula: Zn5(CO3)2(OH)6
ⓘ Native Gold
Formula: Au
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Sphalerite
Formula: ZnS

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘBismuthinite2.DB.05Bi2S3
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘAnatase4.DD.05TiO2
Group 5 - Nitrates and Carbonates
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
ⓘHydrozincite5.BA.15Zn5(CO3)2(OH)6
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnglesite7.AD.35PbSO4
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
ⓘHemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
ⓘChrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Unclassified
ⓘ'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Hⓘ HydrozinciteZn5(CO3)2(OH)6
CCarbon
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Cⓘ HydrozinciteZn5(CO3)2(OH)6
OOxygen
Oⓘ AnataseTiO2
Oⓘ AnglesitePbSO4
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Oⓘ HydrozinciteZn5(CO3)2(OH)6
Oⓘ QuartzSiO2
MgMagnesium
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
AlAluminium
Alⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
SiSilicon
Siⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Siⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Siⓘ QuartzSiO2
SSulfur
Sⓘ AnglesitePbSO4
Sⓘ ArsenopyriteFeAsS
Sⓘ BismuthiniteBi2S3
Sⓘ GalenaPbS
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
CaCalcium
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Caⓘ GypsumCaSO4 · 2H2O
TiTitanium
Tiⓘ AnataseTiO2
FeIron
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ ArsenopyriteFeAsS
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
CuCopper
Cuⓘ ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
ZnZinc
Znⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Znⓘ HydrozinciteZn5(CO3)2(OH)6
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ AnglesitePbSO4
Pbⓘ GalenaPbS
BiBismuth
Biⓘ BismuthiniteBi2S3

Other Regions, Features and Areas containing this locality

British and Irish IslesGroup of Islands
Eurasian PlateTectonic Plate
EuropeContinent
UK

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