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Nephton Quarry (Craig Pit; American Nepheline Co. Mine), Methuen Township, Peterborough Co., Ontario, Canada

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Latitude & Longitude (WGS84): 44° 37' 34'' North , 78° 0' 8'' West
Latitude & Longitude (decimal): 44.62611,-78.00222
GeoHash:G#: drbtc5btb
Locality type:Quarry
Köppen climate type:Dfb : Warm-summer humid continental climate


The Nephton Quarry is listed by the Ontario government(2016) as abandoned. It was last operated by Industrial Minerals of Canada Ltd.(1987).

This quarry was opened in the same Blue Mountain nepheline syenite gneiss as the separately listed Blue Mountain quarry (which see).


Mineral List


12 valid minerals.

Regional Geology

This geological map and associated 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 does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Neoproterozoic - Mesoproterozoic
541 - 1600 Ma



ID: 617075
Grenville Supergroup and Flinton Group

Age: Proterozoic (541 - 1600 Ma)

Stratigraphic Name: Flinton Group

Comments: Grenville Province Central Metasedimentary Belt

Lithology: Flows, tuffs, breccias, minor iron formation, minor metasedimentary rocks; includes reworked pyroclastic units, amphibolite

Reference: Ontario Geological Survey. 1:250 000 scale bedrock geology of Ontario. ISBN 978-1-4435-5705-4. Miscellaneous Release–Data 126 - Revision 1. [1]

Ectasian
1200 - 1400 Ma



ID: 3184622
Mesoproterozoic volcanic rocks

Age: Ectasian (1200 - 1400 Ma)

Lithology: Mafic volcanic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page 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

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Sabina, A.P. (1987) Rocks and Minerals for the Collector, Hull-Maniwaki, Quebec; Ottawa-Peterborough, Ontario. Geological Survey of Canada, Misc. Report 41, 112-113.

 
Mineral and/or Locality  
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