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Llwynmalus Mine (West Lisburn Mine), Ysbyty Ystwyth, Ceredigion, Wales, UK

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Latitude & Longitude (WGS84): 52° 18' 33'' North , 3° 55' 18'' West
Latitude & Longitude (decimal): 52.30938,-3.92176
GeoHash:G#: gcm1wf8k0
UK National Grid Reference:SN690697
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate
Other/historical names associated with this locality:Dyfed; Cardiganshire


The mine was known to have been worked before the recorded reopening in about 1840, and appears to have been worked to 1853. There was an abortive opening in 1856, the mine being then reopened from 1862-70, and again from 1880-84.

Recorded production: 786 tons of lead ore.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Anglesite
Formula: PbSO4
Reference: No reference listed
Cerussite
Formula: PbCO3
Reference: No reference listed
Chalcopyrite
Formula: CuFeS2
Galena
Formula: PbS
Leadhillite
Formula: Pb4(CO3)2(SO4)(OH)2
Reference: No reference listed
Linarite
Formula: PbCu(SO4)(OH)2
Reference: No reference listed
Quartz
Formula: SiO2
Wroewolfeite
Formula: Cu4(SO4)(OH)6 · 2H2O
Reference: No reference listed

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Chalcopyrite'2.CB.10aCuFeS2
'Galena'2.CD.10PbS
Group 4 - Oxides and Hydroxides
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Cerussite'5.AB.15PbCO3
'Leadhillite'5.BF.40Pb4(CO3)2(SO4)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Anglesite'7.AD.35PbSO4
'Linarite'7.BC.65PbCu(SO4)(OH)2
'Wroewolfeite'7.DD.10Cu4(SO4)(OH)6 · 2H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Cerussite14.1.3.4PbCO3
Group 17 - COMPOUND CARBONATES
Miscellaneous
Leadhillite17.1.2.1Pb4(CO3)2(SO4)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Linarite30.2.3.1PbCu(SO4)(OH)2
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)4(XO4)Zq·xH2O
Wroewolfeite31.4.2.1Cu4(SO4)(OH)6 · 2H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H LeadhillitePb4(CO3)2(SO4)(OH)2
H LinaritePbCu(SO4)(OH)2
H WroewolfeiteCu4(SO4)(OH)6 · 2H2O
CCarbon
C CerussitePbCO3
C LeadhillitePb4(CO3)2(SO4)(OH)2
OOxygen
O AnglesitePbSO4
O CerussitePbCO3
O LeadhillitePb4(CO3)2(SO4)(OH)2
O LinaritePbCu(SO4)(OH)2
O QuartzSiO2
O WroewolfeiteCu4(SO4)(OH)6 · 2H2O
SiSilicon
Si QuartzSiO2
SSulfur
S AnglesitePbSO4
S ChalcopyriteCuFeS2
S GalenaPbS
S LeadhillitePb4(CO3)2(SO4)(OH)2
S LinaritePbCu(SO4)(OH)2
S WroewolfeiteCu4(SO4)(OH)6 · 2H2O
FeIron
Fe ChalcopyriteCuFeS2
CuCopper
Cu ChalcopyriteCuFeS2
Cu LinaritePbCu(SO4)(OH)2
Cu WroewolfeiteCu4(SO4)(OH)6 · 2H2O
PbLead
Pb AnglesitePbSO4
Pb CerussitePbCO3
Pb GalenaPbS
Pb LeadhillitePb4(CO3)2(SO4)(OH)2
Pb LinaritePbCu(SO4)(OH)2

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Silurian
419.2 - 443.8 Ma



ID: 3185808
Paleozoic sedimentary rocks

Age: Silurian (419.2 - 443.8 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Silurian
419.2 - 443.8 Ma



ID: 3160805
Silurian claystone

Age: Silurian (419.2 - 443.8 Ma)

Lithology: Major:{claystone}, Minor{sandstone,limestone}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

Llandovery
433.4 - 443.8 Ma



ID: 2034671
Llandovery Rocks (Undifferentiated)

Age: Llandovery (433.4 - 443.8 Ma)

Lithology: Mudstone, siltstone and sandstone

Reference: British Geological Survey. DiGMapGB-625. British Geological Survey ©NERC. [23]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License


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