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Sioux Quartzite

Sioux Quartzite - Red quartzite of fluvial to possibly marginally marine origin. Includes quartz-pebble conglomerate, claystone (catlinite, also called pipestone), a basal (rhyolite) pebble conglomerate in Pipestone County, and a basal (granite, quartz, chert, iron-formation) conglomerate in Nicollet County on the Minnesota River
StateMinnesota
NameSioux Quartzite
Geologic ageEarly Proterozoic
Original map labelPes
Primary rock typequartzite
Secondary rock typeconglomerate
Other rock typesclaystone
Lithologic constituents
Major
Metamorphic > Metasedimentary > Metaclastic > Quartzite
Minor
Sedimentary > Clastic > Mudstone > Claystonecatlinite, also called pipestone
Sedimentary > Clastic > Conglomerate
Map references
Morey, G.B., and Meints, Joyce, 2000, Geologic map of Minnesota - Bedrock Geology: Minnesota Geological Survey, State Map Series, S-20, 3rd edition, scale 1:1,000,000. available online at: http://www.geo.umn.edu/mgs/currentpubs.htm
Unit references
Morey, G.B., and Meints, Joyce, 2000, Geologic map of Minnesota - Bedrock Geology: Minnesota Geological Survey, State Map Series, S-20, 3rd edition, scale 1:1,000,000. available online at: http://www.geo.umn.edu/mgs/currentpubs.htm
Geographic coverageBrown - Cottonwood - Jackson - Lincoln - Martin - Murray - Nicollet - Nobles - Pipestone - Rock - Watonwan

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