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Tourmaline from
Bjork & Lundin gold prospect, North Lake, Ishpeming Township, Marquette County, Michigan, USA


Locality type:Prospect
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Bjork & Lundin gold prospect, North Lake, Ishpeming Township, Marquette County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:910233
Long-form Identifier:1:3:910233:0
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
1.8km (1.1 miles) ⓘRopes Gold Mine, Ishpeming Greenstone belt (Marquette Greenstone belt), Ishpeming Township, Marquette County, Michigan, USA
2.4km (1.5 miles) ⓘMichigan Mine, Ely Township, Marquette County, Michigan, USA
7.5km (4.6 miles) ⓘUnnamed greenstone locality, Ishpeming, Marquette County, Michigan, USA
10.2km (6.3 miles) ⓘGold Bluff prospect, Ishpeming Greenstone belt (Marquette Greenstone belt), Ishpeming Township, Marquette County, Michigan, USA
10.9km (6.8 miles) ⓘMilwaukee-Davis Mine (Milwaukee; Davis; Wheeling; Grand Rapids), Negaunee, Marquette County, Michigan, USA
12.0km (7.5 miles) ⓘHigh Point Gold prospect, Ishpeming Greenstone belt (Marquette Greenstone belt), Champion Township, Marquette County, Michigan, USA
12.0km (7.5 miles) ⓘPalmer Gneiss (3), Tilden Township, Marquette County, Michigan, USA
13.1km (8.2 miles) ⓘHumboldt Mine (Edwards Mine), Humboldt Township, Marquette County, Michigan, USA
13.3km (8.3 miles) ⓘNew Humboldt Mine, Humboldt Township, Marquette County, Michigan, USA
14.8km (9.2 miles) ⓘUnnamed schist locality (2), Richmond Township, Marquette County, Michigan, USA
References
Boben, C.L.,Bornhorst, T.J. and VanAlstine, J.L. (1986), Detailed Geological Study of Three Precious Metal Prospects in Marquette County and One in Gogebic County, Michigan. Michigan Geological Survey Open File Report OFR-86-1
 
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