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Doughty Mine, Sunbury, Northumberland Co., Pennsylvania, USA

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Latitude & Longitude (WGS84): 40° 49' 57'' North , 76° 49' 22'' West
Latitude & Longitude (decimal): 40.8325, -76.8227777778


An abandoned Pb-Zn mine operated during the mid 19th century, occurring in Helderberg limestone. Located along state route 147, South of Sunbury along the Susquehanna River, across from Selinsgrove.

There are four remaining adits which are unmanaged and considered too hazardous to enter.

Reportedly first discovered in the 1840's, ores recovered had been shipped east via the Pennsylvania canal, but the workings remained secretive until 1882 when Mr. Doughty of Shamokin (also noted as from Tamaqua?), undertook a systematic development of the ores. Ore occurred as "strings" and "pots" mixed with large amounts of muddy deposits, much resembling that deposited by turbid waters. Deposits ran almost directly E-W at nearly the crest of the Selinsgrove arch, about 10' above the base of the Bossardville Limestone. Both Lead and Zinc occurred chiefly as sulphides, minor copper as carbonate.

Analysis of ore conducted by McCreath in 1882 as follows: Metallic Pb - 24.191, Metallic Zn - 31.954, Metallic Cu - 1.389. (Ref. 2nd Geo. Surv., Geology of the Susquehana River Region, 1883, Pgs. 99-100)

Mineral List


14 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

Middle Devonian - Early Devonian
382.7 - 419.2 Ma
Hamilton Group

Age: Devonian (382.7 - 419.2 Ma)

Stratigraphic Name: Mahantango; Marcellus Shale

Description: Includes, in descending order, the Mahantango (Dmh) and Marcellus (Dmr) Formations.

Lithology: Major:{black shale}, Minor:{shale,siltstone,sandstone}, Incidental:{limestone, bentonite}

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

Dana (1844): 265, 545.

White (?) (1883), 2nd Geological Survey, Geology of the Susquehanna River Region: 99-100.

Gordon (1922), Mineralogy of Pennsylvania.

 
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