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National Limestone Quarry #2, Lime Ridge, Mount Pleasant Mills, Perry Township, Snyder Co., Pennsylvania, USAi
Regional Level Types
National Limestone Quarry #2- not defined -
Lime RidgeRidge
Mount Pleasant MillsMountain
Perry TownshipTownship
Snyder Co.County
PennsylvaniaState
USACountry

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Latitude & Longitude (WGS84): 40° 43' 44'' North , 77° 1' 27'' West
Latitude & Longitude (decimal): 40.72888,-77.02422
GeoHash:G#: dr1pxq2wv
Köppen climate type:Dfa : Hot-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Mount Pleasant Mills464 (2017)1.0km
Mount Pleasant Mill346 (2017)1.6km
Middleburg1,314 (2017)6.6km
Paxtonville265 (2017)6.8km
Freeburg575 (2017)8.1km


A limestone quarry. Famous for the abundance of calcite crystals, many of which are highly fluorescent, strontianite, fluorite, devonian era fossils, and wavellite, along with some other minor mineral occurances. The second, and smaller of 2 quarries owned by the Stahl family. The main quarry is located in nearby Middleburg.

NOTE: Coordinates are for the town.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


11 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Strontianite5.AB.15SrCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Celestine7.AD.35SrSO4
Group 8 - Phosphates, Arsenates and Vanadates
Cacoxenite8.DC.40Fe3+24AlO6(PO4)17(OH)12 · 75H2O
Planerite8.DD.15Al6(PO4)2(HPO4)2(OH)8 · 4 H2O
Turquoise8.DD.15Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Variscite8.CD.10AlPO4 · 2H2O
Vauxite8.DC.35Fe2+Al2(PO4)2(OH)2 · 6H2O
Wavellite8.DC.50Al3(PO4)2(OH,F)3 · 5H2O

List of minerals arranged by Dana 8th Edition classification

Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Strontianite14.1.3.3SrCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Celestine28.3.1.2SrSO4
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
(AB)5(XO4)2·xH2O
Variscite40.4.1.1AlPO4 · 2H2O
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)7(XO4)4Zq·xH2O
Planerite42.9.3.6Al6(PO4)2(HPO4)2(OH)8 · 4 H2O
Turquoise42.9.3.1Cu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
A3(XO4)2Zq·xH2O
Wavellite42.10.2.1Al3(PO4)2(OH,F)3 · 5H2O
(AB)3(XO4)2Zq·xH2O
Vauxite42.11.14.1Fe2+Al2(PO4)2(OH)2 · 6H2O
Miscellaneous
Cacoxenite42.13.5.1Fe3+24AlO6(PO4)17(OH)12 · 75H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H WavelliteAl3(PO4)2(OH,F)3 · 5H2O
H CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
H PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
H TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
H VauxiteFe2+Al2(PO4)2(OH)2 · 6H2O
H VarisciteAlPO4 · 2H2O
CCarbon
C StrontianiteSrCO3
C CalciteCaCO3
OOxygen
O WavelliteAl3(PO4)2(OH,F)3 · 5H2O
O CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
O StrontianiteSrCO3
O CalciteCaCO3
O CelestineSrSO4
O PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
O TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
O VauxiteFe2+Al2(PO4)2(OH)2 · 6H2O
O QuartzSiO2
O VarisciteAlPO4 · 2H2O
FFluorine
F WavelliteAl3(PO4)2(OH,F)3 · 5H2O
F FluoriteCaF2
AlAluminium
Al WavelliteAl3(PO4)2(OH,F)3 · 5H2O
Al CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Al PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
Al TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Al VauxiteFe2+Al2(PO4)2(OH)2 · 6H2O
Al VarisciteAlPO4 · 2H2O
SiSilicon
Si QuartzSiO2
PPhosphorus
P WavelliteAl3(PO4)2(OH,F)3 · 5H2O
P CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
P PlaneriteAl6(PO4)2(HPO4)2(OH)8 · 4 H2O
P TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
P VauxiteFe2+Al2(PO4)2(OH)2 · 6H2O
P VarisciteAlPO4 · 2H2O
SSulfur
S CelestineSrSO4
CaCalcium
Ca CalciteCaCO3
Ca FluoriteCaF2
FeIron
Fe CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Fe TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
Fe VauxiteFe2+Al2(PO4)2(OH)2 · 6H2O
CuCopper
Cu TurquoiseCu(Al,Fe3+)6(PO4)4(OH)8 · 4H2O
SrStrontium
Sr StrontianiteSrCO3
Sr CelestineSrSO4

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

Paleozoic
251.902 - 541 Ma



ID: 3187973
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 541 Ma)

Lithology: Sedimentary 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]

Devonian - Silurian
358.9 - 443.8 Ma



ID: 2986299
Keyser and Tonoloway Formations, undivided

Age: Paleozoic (358.9 - 443.8 Ma)

Stratigraphic Name: Keyser Formation; Tonoloway Formation; Coeymans Formation; Rondout Formation; Decker Formation; Wills Creek Formation

Description: In descending order: Keyser Formation--medium-gray, crystalline to nodular, fossiliferous limestone; upper part laminated and mud-cracked; not present east of Harrisburg; passes into lower Coeymans, Rondout, and Decker Formations in the east. Tonoloway Formation--medium-gray, laminated, mud-cracked limestone containing some medium-dark- or olive-gray shale interbeds; lower part passes into Wills Creek Formation east and south; passes into Bossardville and Poxono Island beds in the east.

Comments: 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:{limestone}, Minor:{shale}

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Cabaniss, K. and Kearns, Lance E., 2011, Chemical and Physical Charactyerization of Wavellite, Al3(PO4)2(OH,F)3, from the National Limestone Quarry near Pleasant Mills, Snyder County, Pennsylvania, 38th Rochester Mineralogical Symposium Progran and Abstracts, p. 13-14.


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