Description
Irish Base Metals Ltd
Commodities
PrimaryLead, Zinc, Silver
SecondaryCopper
TertiaryCadmium, Peat
Commodity typeM
Deposit
Model208: Sedimentary exhalative Zn-Pb
Deposit sizeL
Orebody formBOAT SHAPED (SECONDARY ORE) IRREGULAR (PRIMARY ORE)
Ore controlFault Control
Materials
Ore mineralsChalcopyrite, Galena, Mimetite, Sphalerite
GangueAlbite, Barite, Bournonite, Calcite, Chlorite, Geocronite, Marcasite, Millerite, Pyrite, Quartz, Siegenite
Geology
Host rockLimestone · Waulsortian Reef Limestone
StructureCaledonian Fold Belt, North Tynagh Fault Forms - The Orebody'S Southern Boundary
AlterationDolomitization Of Wallrock
Economic & production
Development statusPast Producer
First production1965
Discovery year1961
Identification
Deposit ID10073082
MRDS IDW018895
RegionEU
Data scoreB
Coordinates53.14912, -8.38098
References
DOWN, R. F., TURNER, JAMES, 1970, CONCENTRATION OF OXIDE ORES AT TYNAGH; IN RAUSCH D. O., MARIACHER, B. C., AIME. SYMP. PB - ZN, V 1 P 710 - 31, 950 - 1DERRY, D. R., CLARK, G. R., GILLATT, N., 1965, THE NORTHGATE BASE - METAL DEPOSIT AT TYNAGH, COUNTY GALWAY, IRELAND; ECON. GEOL. V 60 P. 1218 - 1237MORRISSEY, C. J., DAVIS, G. R., STEED, G. M., 1971, MINERALIZATION IN THE LOWER CARBONIFEROUS OF CENTRAL IRELAND; TRANS. INST. MIN. METALL. V 80 P. B 174 - 185MENZIE AND MOSIER, 1985: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-206.NORTHERN MINER, 4-14-77, P. 26.1961 GEOCHEM IRISH BASE METALS - ANOMALY FOUNNORTHERN MINER 4-14-77, P. 261976 ESTIMATE FROM NORTHERN MINER, 1977. DEPOSIT SIZE ESTIMATE FROM MENZIE AND MOSIER, 1985.