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Datolite from Keweenaw Peninsula, Michigan, USA

09536190015769055013460.jpg
Datolite

Drexel Mine, Eagle Harbor, Keweenaw County, Michigan, USA
02798010014998799363780.jpg
Datolite

Mass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA
05606600015678253571510.jpg
Datolite, etc.

Quincy Mine, Quincy Township, Houghton County, Michigan, USA
01638470015767960517067.jpg
Datolite

Flintsteel Mine, Mass City, Ontonagon County, Michigan, USA
01570170015876826739302.jpg
Datolite

Drexel Mine, Eagle Harbor, Keweenaw County, Michigan, USA
02798010014998799363780.jpg
Datolite

Mass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA
07275070015678654765143.jpg
Datolite, etc.

Quincy Mine, Quincy Township, Houghton County, Michigan, USA
07359080015771303038542.jpg
Datolite

Flintsteel Mine, Mass City, Ontonagon County, Michigan, USA
09536190015769055013460.jpg
Datolite

Drexel Mine, Eagle Harbor, Keweenaw County, Michigan, USA
02227040015192676754962.jpg
Datolite

Mass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA
01953040015678669366834.jpg
Datolite, etc.

Quincy Mine, Quincy Township, Houghton County, Michigan, USA
01638470015767960517067.jpg
Datolite

Flintsteel Mine, Mass City, Ontonagon County, Michigan, USA
USA
 
  • Michigan
    • Houghton County
      • Adams Township
        • Champion Mine
          • Champion Mine
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
      • Calumet Township
        • Calumet
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Rosemeyer, T. 2011 New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals 86:205-227
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
        • Centennial Heights
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297.
        • Kearsarge
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Paul Brandes
        • Osceola
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
Yalmer Primeau collection
        • Wolverine
Rocks & Min.: 13:137.
Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297.
      • Elm River Township
        • Winona
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
      • Franklin Township
        • Boston
Rosemeyer, T. (2011) New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals: 86(3): 205-227
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
        • Franklin Mine
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
Rosemeyer, T. (2011) New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals: 86(3): 205-227
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
        • Pewabic
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
        • Ripley
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
      • Hancock
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
      • Houghton
Paul Brandes Collection
Yalmer F Prineau collection
Yalmer Primeau
      • Osceola Township
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
        • Tamarack
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
      • Portage Township
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
        • Superior
Yalmer Primeau collection
      • Quincy Township
Rocks & Min.: 21:664.
      • Schoolcraft Township
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Red Gold and Tarnished Silver, 2001, CCRMC
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
    • Keweenaw County
      • Allouez Township
        • Ahmeek
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
        • Allouez
Rocks & Min.: 21:664.
Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297.
Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297.
Bornhorst, T.J., Barron, R.J. (2011) Copper deposits of the western Upper Peninsula of Michigan. The Geological Society of America Field Guide 24: 83-99.
Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.
Rocks & Min.: 58:111 & 121.
        • Mohawk
          • Mohawk Mine
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
        • Ojibway
Rosemeyer, T. (2011) New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals: 86(3): 205-227
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
        • Seneca
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
          • Seneca Mine
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297.
Visual identification by Jim Gawura
      • Eagle Harbor
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
(n.d.) Collection, Natural History Museum Vienna.
Rosemeyer, T. (2011) New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals: 86(3): 205-227
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
        • Copper Falls
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
Dana 6:505.
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Rosemeyer, T. (2011) New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals: 86(3): 205-227
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
R&M 78:3 p175
The Copper Country Rock & Mineral Club (2001) Red Gold and Tarnished Silver, 2nd Ed. 44 pages.
Personally collected by Paul T. Brandes
      • Grant Township
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
        • Copper Harbor
Rosemeyer, T. (2011) New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals: 86(3): 205-227
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
          • Mosquito Mining District
Rosemeyer, T. (2011) New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals: 86(3): 205-227
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
R&M 73:3 p194
Rosemeyer, T. (2011) New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals: 86(3): 205-227
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Rosemeyer, Tom (2003) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 78 (3) 170-188 doi:10.1080/00357529.2003.9926717
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
        • Delaware
Rocks & Min.:84:316.
Rosemeyer, T. (2011) New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals: 86(3): 205-227
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Rosemeyer, Tom (2003) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 78 (3) 170-188 doi:10.1080/00357529.2003.9926717
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
        • Lac La Belle
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
        • Mandan
Yalmer F Primeau
Rosemeyer, Tom (2003) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 78 (3) 170-188 doi:10.1080/00357529.2003.9926717
Paul Brandes
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Rosemeyer, T., Carlson, S.M. (2000) Mineralogy of Point Prospect, Keweenaw County, Michigan. Rocks & Minerals, 75:4, 222-228.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
      • Houghton Township
        • Central
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
R&M 78:3 p173
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
[Mineralogical Record - Vol 23 No. 2
Yalmer Primeau collection
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
        • Eagle River
Personally collected by Paul Brandes in 1995
Bornhorst, T.J., Barron, R.J. (2011) Copper deposits of the western Upper Peninsula of Michigan. The Geological Society of America Field Guide 24: 83-99.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
        • Phoenix
Yalmer F Primeau
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
self collected at site, and verified through red metal minerals
My general knowledge-Rock Currier
    • Ontonagon County
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
      • Greenland Township
        • Greenland
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112. Rosemeyer, T. (1990) Through the Scope: Microminerals of the Caledonia Mine Ontonagon County, Michigan. Rocks & Minerals: 65(3): 240.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
        • Winona
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Paul Brandes
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
      • Mass City
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Rosemeyer, T. (1990) Through the Scope: Microminerals of the Caledonia Mine Ontonagon County, Michigan. Rocks & Minerals: 65(3): 240-243..
Huizing, M.E. (1988) Museum Notes and Announcements. Rocks & Minerals: 63(6): 494.
Ref.: Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112.
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Rosemeyer, T. (2011) New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals: 86(3): 205-227
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112. Rosemeyer, T. (1990) Through the Scope: Microminerals of the Caledonia Mine Ontonagon County, Michigan. Rocks & Minerals: 65(3): 240.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Rosemeyer, T. (2011) New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals: 86(3): 205-227
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Paul T. Brandes
      • Rockland
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112.
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112.
Dana 6:1086
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
      • Victoria
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
 
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