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ZCA No. 4 Mine (St Joe Mine), Balmat, Balmat-Edwards Zinc District, St. Lawrence Co., New York, USA

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Latitude & Longitude (WGS84): 44° 16' 21'' North , 75° 24' 11'' West
Latitude & Longitude (decimal): 44.27250,-75.40306


A former Zn mine which was originally owned by the St. Joe Resources Co. This mine was at least 2,500 feet deep.

Mineral List


18 valid minerals. 2 (TL) - type locality of valid minerals. 1 erroneous literature entry.

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

Furongian
485.4 - 497 Ma
Potsdam Sandstone

Age: Furongian (485.4 - 497 Ma)

Stratigraphic Name: Potsdam Sandstone

Description: Potsdam Sandstone (Covey Hill in Quebec)

Comments: part of Beekmantown Group, Potsdam Sandstone, and Vermont Valley Sequence up to 2500 ft. (760 m). Secondary unit description from USGS Lexicon website (ref. NY046) and reference NY038: Paleozoic cover sequence adjacent to Adirondack massif in western part of Glens Falls quad consists of (ascending): Late Cambrian Potsdam Sandstone, Late Cambrian Ticonderoga Formation, Late Cambrian and Early Ordovician Beekmantown Group (with Whitehall Formation at base), early Middle Ordovician Chazy Group, Middle Ordovician Black River and Trenton Groups, and Mohawk Valley shales (Canajoharie Shale and Snake Hill Formation). Potsdam and Ticonderoga are partly correlative with Danby Formation of Middlebury synclinorium in VT. Beekmantown and part of Chazy correlate directly with limestones and dolomites above Danby. Paleozoic cover sequence is interpreted as a platform sequence. [Text states Beekmantown "as used by Fisher (1984)", but this appears to be an error because Fisher (1984) included Potsdam and Ticonderoga in his Beekmantown. Fisher (1977) abandoned Canajoharie but USGS still recognizes it.] (Thompson, 1990).

Lithology: Major:{sandstone}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

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

Dunn, P.J. et al. (1985), Canadian Mineralogist: 23: 251-254.

Robinson, George and Steven Chamberlain (2007), Gazetteer of Major New York State mineral localities. Rocks & Minerals: 82(6): 472-483.

Chamberlain, S. C., Robinson, G. W., Lupulescu, M., Morgan, T. C., & Johnson, J. T. (2010). Cubic magnetite crystals: from Balmat, New York. The Mineralogical Record, 41(6), 527-538.

Mineral and/or Locality  
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