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Benson Mines, Benson, Star Lake, St. Lawrence Co., New York, USA

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Latitude & Longitude (WGS84): 44° 10' 35'' North , 74° 59' 51'' West
Latitude & Longitude (decimal): 44.1763888889, -74.9975


An iron mine located at Benson near Fine. The ore is low-grade magnetite hosted in banded, garnetiferous, pyritic gneiss. 1,500 feet long, 200 feet wide and 20 to 50 feet deep (1937).

Mineral List


44 valid minerals.

Regional Geology

This information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This data will improve over time as more accurate maps and data sets are added.

Mesoproterozoic1000 - 1600 MaQuartz-feldspar gneiss

Major:: {felsic gneiss}

Quartz-feldspar gneiss - with variable amounts of garnet, sillimanite, biotite.

Mesoproterozoic1000 - 1600 MaMesoproterozoic plutonic: charnockite

Plutonic: charnockite

Mesoproterozoic1000 - 1600 MaMesoproterozoic intrusive and metamorphic terranes

Intrusive and metamorphic terranes

Grenville

Mixtures of metamorphic and intrusive or plutonic rocks, tracts known as crystalline, migmatitic terranes, moderately to highly metamorphosed rocks of unknown origin with or without intrusions. This classification is inherently prone to variable interpretation, as other compilers might distinguish some packages by their metamorphic or gneissic protoliths, and the associated age ranges may be more variable.


References for regional geology:

Data provided by Macrostrat.org

Garrity, C.P., and Soller, D.R.,. Database of the Geologic Map of North America: adapted from the map by J.C. Reed, Jr. and others (2005). U.S. Geological Survey Data Series 424 .

USGS compilers. State geologic map data. State Maps.

Geological Survey of Canada. Generalized geological map of the world and linked databases. doi:10.4095/195142. Open File 2915d.



The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Rocks & Minerals:12:9;
New York State Museum Bull. 223,224;
Newland, David H. (July-August 1919), The Mineral Resources of the State of New York: 114.

Mineral and/or Locality  
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