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Pennsy Supply Quarry (Millard Quarry), North Londonderry Township, Lebanon Co., Pennsylvania, USAi
Regional Level Types
Pennsy Supply Quarry (Millard Quarry)Quarry (Active)
North Londonderry TownshipTownship
Lebanon Co.County
PennsylvaniaState
USACountry

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Latitude & Longitude (WGS84):
40° 19' 20'' North , 76° 34' 34'' West
Latitude & Longitude (decimal):
Locality type:
Quarry (Active) - last checked 2018
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Palmyra7,451 (2017)2.1km
Palmdale1,308 (2017)4.5km
Campbelltown3,616 (2017)5.0km
Annville4,767 (2017)5.2km
Hershey14,257 (2017)7.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Central Pennsylvania Rock and Mineral Club, Inc.Harrisburg, Pennsylvania27km
Other/historical names associated with this locality:
Millard Quarry, Clear Spring Quarry


The Millard Quarry was originally named the Clear Spring Quarry and began operation in 1880. In the 1890s, the quarry was acquired by Jacob Millard and it was operated by the Millard family until the mid 1960s. The quarry exchanged hands several times and in 2001, Pennsy Supply, a subsidiary of Oldcastle Materials, took ownership. The quarry produces limestone and dolomite for industrial use.

The quarry runs parallel to Route 422 and is about three miles long. The operation is so large, it has begun to expand underground.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


3 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Edward Bayley Collection. Sims, S.J. (1968) Millard Quarry, Annville, Pennsylvania. In Guidebook 33rd Field Conference Of Pennsylvania Geologists. Harrisburg, PA., p. 52-64.
Pyrite
Formula: FeS2
Reference: Sims, S.J. (1968) Millard Quarry, Annville, Pennsylvania. In Guidebook 33rd Field Conference Of Pennsylvania Geologists. Harrisburg, PA., p. 52-64.
Quartz
Formula: SiO2
Reference: Sims, S.J. (1968) Millard Quarry, Annville, Pennsylvania. In Guidebook 33rd Field Conference Of Pennsylvania Geologists. Harrisburg, PA., p. 52-64.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3

List of minerals for each chemical element

CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O QuartzSiO2
SiSilicon
Si QuartzSiO2
SSulfur
S PyriteFeS2
CaCalcium
Ca CalciteCaCO3
FeIron
Fe PyriteFeS2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Sims, S.J. (1968) Millard Quarry, Annville, Pennsylvania. In Guidebook 33rd Field Conference Of Pennsylvania Geologists. Harrisburg, PA., p. 52-64.

External Links

Pennsy Supply Quarry Tour Video: https://www.youtube.com/watch?v=ACXRS3D93ok

Other Regions, Features and Areas containing this locality


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.
 
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