Datolite from Keweenaw Peninsula, Michigan, USA

Datolite

Drexel Mine, Eagle Harbor, Keweenaw County, Michigan, USA

Datolite

Mass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA

Datolite, etc.

Quincy Mine, Quincy Township, Houghton County, Michigan, USA

Datolite

Flintsteel Mine, Mass City, Ontonagon County, Michigan, USA

Datolite

Drexel Mine, Eagle Harbor, Keweenaw County, Michigan, USA

Datolite

Mass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA

Datolite, etc.

Quincy Mine, Quincy Township, Houghton County, Michigan, USA

Datolite

Flintsteel Mine, Mass City, Ontonagon County, Michigan, USA

Datolite

Drexel Mine, Eagle Harbor, Keweenaw County, Michigan, USA

Datolite

Mass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA

Datolite, etc.

Quincy Mine, Quincy Township, Houghton County, Michigan, USA

Datolite

Flintsteel Mine, Mass City, Ontonagon County, Michigan, USA


USA
Michigan Houghton County Adams Township Champion Mine Champion Mine ⓘ No. 3 shaft	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
ⓘ Six Mile Hill	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 ⓘ Calumet & Hecla Mine	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
ⓘ No. 21 shaft	Rosemeyer, T. 2011 New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals 86:205-227
ⓘ Red Jacket Shaft	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Centennial Heights ⓘ Centennial Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
ⓘ No. 2 shaft	Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297.
Kearsarge ⓘ Kearsarge Mine	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
ⓘ South Kearsarge Mine	Paul Brandes
Osceola ⓘ Osceola Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
ⓘ No. 4 shaft	Yalmer Primeau collection
Wolverine ⓘ Wolverine Mine	Rocks & Min.: 13:137.
ⓘ Wolverine No. 2 shaft	Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297.
Elm River Township Winona ⓘ Winona Mine	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
ⓘ Winona No. 1 shaft	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 ⓘ Franklin Jr. Mine (Albany & Boston; Peninsula)	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 ⓘ Franklin Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
ⓘ Mesnard Mine (Quincy No. 8 shaft)	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 ⓘ Pewabic Mine	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Ripley ⓘ Arcadian Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
ⓘ Arcadian No. 2 shaft	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
ⓘ Arcadian No. 3 shaft	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
ⓘ New Arcadian Exploration	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 ⓘ Hancock Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
Houghton ⓘ Huron Mine (Houghton Mine)	Paul Brandes Collection
ⓘ Portage Mine (Grand Portage Mine)	Yalmer F Prineau collection
ⓘ Sheldon-Columbian Mine	Yalmer Primeau
Osceola Township ⓘ La Salle 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
ⓘ Laurium Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
ⓘ Osceola Amygdaloid	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Tamarack ⓘ Tamarack Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
ⓘ No. 3 shaft	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Portage Township ⓘ Isle Royal Mines	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
ⓘ Isle Royal No. 2 shaft	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
ⓘ Isle Royal No. 6 shaft	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 ⓘ Superior Mine (Old Superior Mine)	Yalmer Primeau collection
Quincy Township ⓘ Quincy Mine	Rocks & Min.: 21:664.
Schoolcraft Township ⓘ Mayflower Old Colony Mine	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
ⓘ Old Colony Exploration Prospect	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
ⓘ St. Louis Mine Exploration	Red Gold and Tarnished Silver, 2001, CCRMC
ⓘ Keweenaw Copper Mining District	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 ⓘ Ahmeek Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
Allouez ⓘ Allouez Mine	Rocks & Min.: 21:664.
ⓘ Allouez No. 1 Mine	Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297.
ⓘ Allouez No. 2 Mine	Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297.
ⓘ Cliff Mine	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 ⓘ Mohawk No. 5 shaft	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
ⓘ North Cliff Mine	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Ojibway ⓘ Ojibway Mine	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 ⓘ Iroquois 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
Seneca Mine ⓘ Seneca No. 1 Shaft	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 No. 2 shaft (Gratiot Mine)	Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297.
ⓘ South Cliff Mine	Visual identification by Jim Gawura
Eagle Harbor ⓘ Agency Mine	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
ⓘ Amygdaloid Mine	(n.d.) Collection, Natural History Museum Vienna.
ⓘ Connecticut Mine	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 ⓘ Ashbed Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111. Dana 6:505.
ⓘ Copper Falls Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
ⓘ Hill Fissure Mine	Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
ⓘ Owl Creek Fissure Mine	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.
ⓘ Petherick Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Drexel Mine	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
ⓘ Eagle Harbor Mines	The Copper Country Rock & Mineral Club (2001) Red Gold and Tarnished Silver, 2nd Ed. 44 pages.
ⓘ Waterbury Mine	Personally collected by Paul T. Brandes
Grant Township ⓘ Aetna Exploration Copper Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Copper Harbor ⓘ Clark Mine	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.
ⓘ Manganese Mine
Mosquito Mining District ⓘ Cape Mine	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
ⓘ Iron City Mine (Empire Mine)	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
ⓘ Star Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
Delaware ⓘ Delaware Fissure Mine	Rocks & Min.:84:316.
ⓘ Delaware Mine (Delaware Conglomerate Mine)	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.
ⓘ Hogan Mine	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
ⓘ Pennsylvania Copper Mine	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.
ⓘ Stoutenburgh Mine	Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
ⓘ High Rock Bay	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
ⓘ Keweenaw Point	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 ⓘ Lac La Belle exploration	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Mandan ⓘ Mandan Mine	Yalmer F Primeau
ⓘ Mandan Sand/Gravel pit	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
ⓘ Medora Mine	Paul Brandes
ⓘ Resolute Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ New York and Michigan Exploration	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Point Prospect	Rosemeyer, T., Carlson, S.M. (2000) Mineralogy of Point Prospect, Keweenaw County, Michigan. Rocks & Minerals, 75:4, 222-228.
ⓘ Vulcan Exploration Copper Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Houghton Township Central ⓘ Central Exploration Mine	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
ⓘ Central Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111. [Mineralogical Record - Vol 23 No. 2
ⓘ Dana Mine	Yalmer Primeau collection
ⓘ Northwestern Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
Eagle River ⓘ Eagle River	Personally collected by Paul Brandes in 1995
ⓘ Eagle River shoals	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.
ⓘ Jacobs Creek	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Phoenix ⓘ Lake Superior Mine (Old Phoenix Fissure)	Yalmer F Primeau
ⓘ Phoenix Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
ⓘ St. Clair Mine	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
ⓘ Keweenaw Peninsula	My general knowledge-Rock Currier
Ontonagon County ⓘ Evergreen Series (Evergreen Lodes)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Greenland Township Greenland ⓘ Adventure mine	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.
ⓘ Hilton Mine (Ohio Mine)	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Winona ⓘ Cherokee Mine (Cherokee Penn Mine; Dunn 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
ⓘ Firesteel Mine	Paul Brandes
ⓘ Henwood Mine (Douglass Houghton 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
ⓘ Indiana 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
Mass City ⓘ Algomah 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
ⓘ Belt Mine (Piscatauqua)	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
ⓘ Butler 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
ⓘ Caledonia Mine	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.
ⓘ Evergreen Bluff Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112.
ⓘ Flintsteel Mine (Nassau Mine; Old Flintsteel Mine; Superior-Nassau Superior Mine)	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
ⓘ Knowlton 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
ⓘ Lake Mine (Great Western Mine; Bohemian)	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
ⓘ Mass Consolidated 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
ⓘ Mass Mine	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.
ⓘ Ogima Mine	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
ⓘ Ridge Mine	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.
ⓘ Old Mass Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ South Lake Mine (Aztec 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
ⓘ North Lake Mine	Paul T. Brandes
Rockland ⓘ Bumblebee 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
ⓘ Michigan Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112.
ⓘ Minesota Mine	Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112. Dana 6:1086
ⓘ Rockland Mine	Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Victoria ⓘ Arctic 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
ⓘ Victoria Mine (Cushin 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

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