Minerals 2012, 2(3), 169-207; doi:10.3390/min2030169
Article

Zn-Pb Ores of Mississippi Valley Type in the Lycksele-Storuman District, Northern Sweden: A Possible Rift-Related Cambrian Mineralisation Event

Kjell Billström 1,* email, Curt Broman 2 email, Jens Schneider 3 email, Warren Pratt 4 email and Göran Skogsmo 5 email
1 Laboratory for Isotope Geology, Swedish Museum of Natural History, Stockholm SE-10405, Sweden 2 Department of Geological Sciences, Stockholm University, Stockholm SE-10691, Sweden 3 Freiberg School of Mines, Freiberg 09596, Germany 4 Specialized Geological Mapping Ltd., Catlin Cottage, Station Rd, Urquhart Moray, Elgin IV30 8LQ, UK 5 Björka Mineral AB, Björkaverken, Glanshammar SE-705 97, Sweden
* Author to whom correspondence should be addressed.
Received: 30 March 2012; in revised form: 7 June 2012 / Accepted: 20 June 2012 / Published: 29 June 2012
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Abstract: The epigenetic Zn-Pb deposits in the Lycksele-Storuman ore district, northern Sweden, are hosted by Paleoproterozoic basement near the margin of the Caledonian mountains. A paleogeographic reconstruction suggests that platform sediments, including Cambrian shales, overlaid the mineralised basement. The mineralisation type, containing sphalerite, galena, calcite and fluorite, is confined to veins and breccias and interpreted to be of Mississippi Valley Type (MVT) style. There is no appreciable wall rock alteration. Fluid inclusion work reveals coexisting aqueous and hydrocarbon fluids. Ore deposition is interpreted to have occurred during mixing of two fluids; a cool (
Keywords: Zn-Pb mineralisation; cambrian; rifting; fluid inclusions; ages; isotopic tracers

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MDPI and ACS Style

Billström, K.; Broman, C.; Schneider, J.; Pratt, W.; Skogsmo, G. Zn-Pb Ores of Mississippi Valley Type in the Lycksele-Storuman District, Northern Sweden: A Possible Rift-Related Cambrian Mineralisation Event. Minerals 2012, 2, 169-207.

AMA Style

Billström K, Broman C, Schneider J, Pratt W, Skogsmo G. Zn-Pb Ores of Mississippi Valley Type in the Lycksele-Storuman District, Northern Sweden: A Possible Rift-Related Cambrian Mineralisation Event. Minerals. 2012; 2(3):169-207.

Chicago/Turabian Style

Billström, Kjell; Broman, Curt; Schneider, Jens; Pratt, Warren; Skogsmo, Göran. 2012. "Zn-Pb Ores of Mississippi Valley Type in the Lycksele-Storuman District, Northern Sweden: A Possible Rift-Related Cambrian Mineralisation Event." Minerals 2, no. 3: 169-207.

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