Mine detail: Nygruvan and Knallagruvan Mines

Previously called 'ZinkgruvanAmmeberg Mine'

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Location

Lat / long:

58.81533, 15.10271

Resource(M)

Primary:	Zinc, Lead, Silver
Tertiary:	Copper, Arsenic
Ore:	Chalcopyrite, Galena, Pyrite, Pyrrhotite, Silver, Sphalerite, Tetrahedrite
Gangue:	Biotite, Chlorite, Diopside, Garnet, Microcline, Muscovite, Plagioclase, Pyroxene, Quartz, Vesuvianite
Orebody form:	CONFORMABLE THIN BEDS
Discovery year:	1550

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Producer
First production started:	1857

Geology

Host rock:	Leptite Series;Skarn;Skarn Banded Leptite
Host type:	Granulite,Skarn (Tactite),Limestone
Associated type:	Migmatite,Pegmatite,Granite
Structure:	Parts Are Highly Folded, Some Faulting
Tectonic:	Eugeosyncline

References

MRDS	W018966
DEP	10089362
Reference	{Deposit:: HENRIQUES, AKE, 1964, GEOLOGY AND ORES OF THE AMMEBERG DISTRICT, (ZINKGRUVAN); SWEDEN, ARKIV FOR MIN. GEOL. V 4, NO 1, 246 P.}{Deposit:: MAGNUSSON, N. H., 1950, ZINC AND LEAD DEPOSITS OF CENTRAL SWEDEN; INT. GEOL. CONG. 18TH, REPT. 7, P 371 - 79}{Deposit:: E/MJ INTERNATIONAL DIRECTORY, 1976, P. 289.}{Deposit:: RAUSCH AND MARIACHER, 1970, AIME SYMP ON PB-ZN, P. 954-955.}{Deposit:: GRIP, E. 1978, SWEDEN, IN BOWIE, S.H.U., KVALHEIM, A., AND HASLAM, H.W., EDS., MINERAL DEPOSITS OF EUROPE, VOLUME 1: NORTHWEST EUROPE: LONDON, THE INSTITUTION OF MINING AND METALLURGY AND THE MINERALOGICAL SOCIETY, P. 93-108.}{Production:: EMJ, 1976; RAUSCH AND MARIACHER, 1970; GRIP, 1978}
Reporter	Schruben, Paul G., Orris, Greta J.