Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsBooks & Magazines
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryMineral Photography

Pennsylvania Uranium Mining Company Shaft, Shanesville, Earl Township, Berks Co., Pennsylvania, USA

This page is currently not sponsored. Click here to sponsor this page.
Lock Map
Latitude & Longitude (WGS84): 40° 22' 16'' North , 75° 42' 13'' West
Latitude & Longitude (decimal): 40.37111,-75.70361
GeoHash:G#: dr4jtm66f
Locality type:Group of Shafts
Köppen climate type:Cfa : Humid subtropical climate

Mining shaft in precambrian hornblend-plagioclase gneiss. Thorite and it’s alteration product thorogummite associated with hydroxyl-apatite and yttrium rich titanite. Boulders up to 40 cm across containing about 1/3 thorite, and with surface radioactives of 25 mR / hr., are common.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

3 valid minerals.

Detailed Mineral List:

Formula: Ca5(PO4)3(OH)
Reference: Smith, Robert C., 1976, Mineralogy of Pennsylvania 1966-1976, pgs. 38, 44
Formula: Th(SiO4)
Reference: Smith, Robert C., 1976, Mineralogy of Pennsylvania 1966-1976, pgs. 38, 44
Formula: (Th,U)(SiO4)1-x(OH)4x
Reference: Smith, Robert C., 1976, Mineralogy of Pennsylvania 1966-1976, pgs. 38, 44
Formula: CaTi(SiO4)O
Reference: Smith, Robert C., 1976, Mineralogy of Pennsylvania 1966-1976, pgs. 38, 44

List of minerals arranged by Strunz 10th Edition classification

Group 8 - Phosphates, Arsenates and Vanadates
Group 9 - Silicates
Unclassified Minerals, Rocks, etc.

List of minerals arranged by Dana 8th Edition classification

Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination

List of minerals for each chemical element

H HydroxylapatiteCa5(PO4)3(OH)
H Thorogummite(Th,U)(SiO4)1-x(OH)4x
O HydroxylapatiteCa5(PO4)3(OH)
O ThoriteTh(SiO4)
O Thorogummite(Th,U)(SiO4)1-x(OH)4x
O TitaniteCaTi(SiO4)O
Si ThoriteTh(SiO4)
Si Thorogummite(Th,U)(SiO4)1-x(OH)4x
Si TitaniteCaTi(SiO4)O
P HydroxylapatiteCa5(PO4)3(OH)
Ca HydroxylapatiteCa5(PO4)3(OH)
Ca TitaniteCaTi(SiO4)O
Ti TitaniteCaTi(SiO4)O
Th ThoriteTh(SiO4)
Th Thorogummite(Th,U)(SiO4)1-x(OH)4x
U Thorogummite(Th,U)(SiO4)1-x(OH)4x

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

541 - 4000 Ma

ID: 2758834
Felsic to mafic gneiss

Age: Precambrian (541 - 4000 Ma)

Description: Light, medium grained; predominantly quartz and feldspar of igneous origin.

Comments: Digital map differences from 1980 printed map: name changed from (Granitic gneiss). Original map source: Pennsylvania Bureau of Topographic and Geologic Survey, Department of Conservation and Natural Resources, Miles, C.E., and Whitfield, T.G., compilers, 2001, Bedrock Geology of Pennsylvania, edition: 1.0, digital map, scale 1:250,000.

Lithology: Major:{gneiss}

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]

1000 - 1600 Ma

ID: 3188605
Mesoproterozoic crystalline metamorphic rocks

Age: Mesoproterozoic (1000 - 1600 Ma)

Lithology: Paragneiss; paragneiss

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


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Smith, Robert C., 1976, Mineralogy of Pennsylvania 1966-1976, pgs. 38, 44
McCauley, John F., 1961, Uranium in Pennsylvania: Pennsylvania Geological Survey, Bulletin M43, 71 p.
Buckwalter, T. V., 1959, Geology of the Precambrian rocks and Hardyston formation of the Boyertown quadrangle, PA Geol. Survey, 4th ser., Atlas 197

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.
Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2020, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: April 3, 2020 04:38:18 Page generated: October 14, 2018 07:25:03
Go to top of page