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Biotite from
Northey Hill Line Occurrences, Orford, Grafton County, New Hampshire, USA


Locality type:Occurrence
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Northey Hill Line Occurrences, Orford, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:853213
Long-form Identifier:1:3:853213:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
2.8km (1.7 miles) ⓘArchertown Brook Occurrences, Orford, Grafton County, New Hampshire, USA
4.6km (2.9 miles) ⓘEastman Ledges, Orford, Grafton County, New Hampshire, USA
5.6km (3.5 miles) ⓘCottonstone Mountain, Orford, Grafton County, New Hampshire, USA
10.2km (6.4 miles) ⓘLower Baker Pond Brook Occurrences, Wentworth, Grafton County, New Hampshire, USA
14.0km (8.7 miles) ⓘFellows Mine, Wentworth, Grafton County, New Hampshire, USA
16.0km (9.9 miles) ⓘClement Mine, Warren, Grafton County, New Hampshire, USA
16.8km (10.4 miles) ⓘEly Mine, South Vershire, Vershire, Orange County, Vermont, USA
17.4km (10.8 miles) ⓘLeggett mica prospect, Rumney, Grafton County, New Hampshire, USA
19.2km (11.9 miles) ⓘWheat Mine, Rumney, Grafton County, New Hampshire, USA
19.4km (12.0 miles) ⓘEight-Ball Mica prospect, Rumney, Grafton County, New Hampshire, USA
References
Orange, Daniel Lewis (1985) metamorphic petrology, Pressure-Temperature Paths, and tectonic Evolution of the Mount Cube Quadrangle, New Hampshire and Vermont, Ms Thesis, Massachusetts Institute of Technology.
 
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