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Line pit (Lowe's Mine), State Line District, Cecil Co., Maryland, USAi
Regional Level Types
Line pit (Lowe's Mine)Pit
State Line DistrictMining District
Cecil Co.County
MarylandState
USACountry

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Latitude & Longitude (WGS84):
39° 43' 16'' North , 76° 10' 18'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Wakefield609 (2017)5.9km
Little Britain372 (2017)8.0km
Darlington409 (2011)9.5km
Rising Sun2,859 (2017)9.7km
Delta724 (2017)13.3km


A chromite mine located on the state line between Pennsylvania and Maryland, located in both Fulton Township, Lancaster County Pennsylvania and Cecil County Maryland. The Discovery shaft located in Pennsylvania gave access to a stringer of massive granular chomite in serpentine rock. Open pit mining was conducted in the area stradling the state line, with underground working extending into Cecil Co., Maryland. Active mining ceased in 1919.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


20 valid minerals.

Detailed Mineral List:

Antigorite
Formula: Mg3(Si2O5)(OH)4
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia
Awaruite
Formula: Ni3Fe
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Brucite
Formula: Mg(OH)2
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
'Chlorite Group'
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Chromite
Formula: Fe2+Cr3+2O4
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia
Clinochlore var: Chromian Clinochlore
Formula: Mg5(Al,Cr)2Si3O10(OH)8
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Dravite
Formula: Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Dravite var: Chromian Dravite
Formula: Na((Mg,Cr)3)(Al,Cr)6(Si6O18)(BO3)3(OH)3(OH)
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Forsterite
Formula: Mg2SiO4
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
'Garnierite'
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Heazlewoodite
Formula: Ni3S2
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Hydromagnesite
Formula: Mg5(CO3)4(OH)2 · 4H2O
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Magnesiochromite
Formula: MgCr2O4
Reference: [MinRec 12:153]
Magnesite
Formula: MgCO3
Reference: [MinRec 12:154]
Margarite
Formula: CaAl2(Al2Si2O10)(OH)2
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Maucherite
Formula: Ni11As8
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Millerite
Formula: NiS
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Pyrite
Formula: FeS2
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Pyroaurite
Formula: Mg6Fe3+2(OH)16[CO3] · 4H2O
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Quartz
Formula: SiO2
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Reference: U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia
Talc
Formula: Mg3Si4O10(OH)2
Reference: Mineralogical Record Vol 12 #3 May/June 1981 pp149-156
Zaratite
Formula: Ni3(CO3)(OH)4 · 4H2O ?
Reference: [MinRec 12:154-155]

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Awaruite1.AE.20Ni3Fe
Group 2 - Sulphides and Sulfosalts
Heazlewoodite2.BB.05Ni3S2
Maucherite2.AB.15Ni11As8
Millerite2.CC.20NiS
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Brucite4.FE.05Mg(OH)2
Chromite4.BB.05Fe2+Cr3+2O4
Magnesiochromite4.BB.05MgCr2O4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Hydromagnesite5.DA.05Mg5(CO3)4(OH)2 · 4H2O
Magnesite5.AB.05MgCO3
Pyroaurite5.DA.50Mg6Fe3+2(OH)16[CO3] · 4H2O
Zaratite5.DA.15Ni3(CO3)(OH)4 · 4H2O ?
Group 9 - Silicates
Antigorite9.ED.15Mg3(Si2O5)(OH)4
Chrysotile9.ED.15Mg3(Si2O5)(OH)4
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
var: Chromian Clinochlore9.EC.55Mg5(Al,Cr)2Si3O10(OH)8
Dravite9.CK.05Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
var: Chromian Dravite9.CK.05Na((Mg,Cr)3)(Al,Cr)6(Si6O18)(BO3)3(OH)3(OH)
Forsterite9.AC.05Mg2SiO4
Margarite9.EC.30CaAl2(Al2Si2O10)(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-
'Garnierite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Awaruite1.1.11.4Ni3Fe
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:2
Heazlewoodite2.5.3.1Ni3S2
AmXp, with m:p = 1:1
Millerite2.8.16.1NiS
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Miscellaneous
Maucherite2.16.16.1Ni11As8
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
X(OH)2
Brucite6.2.1.1Mg(OH)2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnesiochromite7.2.3.1MgCr2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Magnesite14.1.1.2MgCO3
Group 16b - HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
Zaratite16b.4.1.1Ni3(CO3)(OH)4 · 4H2O ?
Pyroaurite16b.6.2.3Mg6Fe3+2(OH)16[CO3] · 4H2O
Hydromagnesite16b.7.1.1Mg5(CO3)4(OH)2 · 4H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Forsterite51.3.1.2Mg2SiO4
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with borate groups
Dravite61.3.1.9Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Antigorite71.1.2a.1Mg3(Si2O5)(OH)4
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Sheets of 6-membered rings with 2:1 layers
Margarite71.2.2c.1CaAl2(Al2Si2O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
Clinochlore
var: Chromian Clinochlore
-Mg5(Al,Cr)2Si3O10(OH)8
Dravite
var: Chromian Dravite
-Na((Mg,Cr)3)(Al,Cr)6(Si6O18)(BO3)3(OH)3(OH)
'Garnierite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H ZaratiteNi3(CO3)(OH)4 · 4H2O ?
H ChrysotileMg3(Si2O5)(OH)4
H MargariteCaAl2(Al2Si2O10)(OH)2
H Dravite (var: Chromian Dravite)Na((Mg,Cr)3)(Al,Cr)6(Si6O18)(BO3)3(OH)3(OH)
H ClinochloreMg5Al(AlSi3O10)(OH)8
H Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
H TalcMg3Si4O10(OH)2
H BruciteMg(OH)2
H HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
H PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
H AntigoriteMg3(Si2O5)(OH)4
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
H DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
BBoron
B Dravite (var: Chromian Dravite)Na((Mg,Cr)3)(Al,Cr)6(Si6O18)(BO3)3(OH)3(OH)
B DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C MagnesiteMgCO3
C ZaratiteNi3(CO3)(OH)4 · 4H2O ?
C HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
C PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
OOxygen
O MagnesiteMgCO3
O MagnesiochromiteMgCr2O4
O ZaratiteNi3(CO3)(OH)4 · 4H2O ?
O ForsteriteMg2SiO4
O ChromiteFe2+Cr23+O4
O ChrysotileMg3(Si2O5)(OH)4
O MargariteCaAl2(Al2Si2O10)(OH)2
O Dravite (var: Chromian Dravite)Na((Mg,Cr)3)(Al,Cr)6(Si6O18)(BO3)3(OH)3(OH)
O ClinochloreMg5Al(AlSi3O10)(OH)8
O Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
O TalcMg3Si4O10(OH)2
O BruciteMg(OH)2
O QuartzSiO2
O HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
O PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
O AntigoriteMg3(Si2O5)(OH)4
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
NaSodium
Na Dravite (var: Chromian Dravite)Na((Mg,Cr)3)(Al,Cr)6(Si6O18)(BO3)3(OH)3(OH)
Na DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg MagnesiteMgCO3
Mg MagnesiochromiteMgCr2O4
Mg ForsteriteMg2SiO4
Mg ChrysotileMg3(Si2O5)(OH)4
Mg Dravite (var: Chromian Dravite)Na((Mg,Cr)3)(Al,Cr)6(Si6O18)(BO3)3(OH)3(OH)
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
Mg TalcMg3Si4O10(OH)2
Mg BruciteMg(OH)2
Mg HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Mg PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
Mg AntigoriteMg3(Si2O5)(OH)4
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Mg DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Al MargariteCaAl2(Al2Si2O10)(OH)2
Al Dravite (var: Chromian Dravite)Na((Mg,Cr)3)(Al,Cr)6(Si6O18)(BO3)3(OH)3(OH)
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Al DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Si ForsteriteMg2SiO4
Si ChrysotileMg3(Si2O5)(OH)4
Si MargariteCaAl2(Al2Si2O10)(OH)2
Si Dravite (var: Chromian Dravite)Na((Mg,Cr)3)(Al,Cr)6(Si6O18)(BO3)3(OH)3(OH)
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
Si TalcMg3Si4O10(OH)2
Si QuartzSiO2
Si AntigoriteMg3(Si2O5)(OH)4
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Si DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
SSulfur
S PyriteFeS2
S HeazlewooditeNi3S2
S MilleriteNiS
CaCalcium
Ca MargariteCaAl2(Al2Si2O10)(OH)2
CrChromium
Cr MagnesiochromiteMgCr2O4
Cr ChromiteFe2+Cr23+O4
Cr Dravite (var: Chromian Dravite)Na((Mg,Cr)3)(Al,Cr)6(Si6O18)(BO3)3(OH)3(OH)
Cr Clinochlore (var: Chromian Clinochlore)Mg5(Al,Cr)2Si3O10(OH)8
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe ChromiteFe2+Cr23+O4
Fe AwaruiteNi3Fe
Fe PyriteFeS2
Fe PyroauriteMg6Fe23+(OH)16[CO3] · 4H2O
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni ZaratiteNi3(CO3)(OH)4 · 4H2O ?
Ni AwaruiteNi3Fe
Ni HeazlewooditeNi3S2
Ni MilleriteNiS
Ni MaucheriteNi11As8
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
AsArsenic
As MaucheriteNi11As8

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 - Proterozoic
251.902 - 2500 Ma



ID: 2824500
Ultramafic Rocks

Age: to Triassic (251.902 - 2500 Ma)

Description: Chiefly serpentinite with partly to completely altered dunite, peridotite, pyroxenite, and massive to schistose soapstone; talc-carbonate rock and altered gabbro are common in some bodies.

Comments: Original map source: In 1995 the Water Resources Division of the U.S. Geological Survey digitized the geologic map of Maryland from the 1968 paper map (Reference MD001). Information about products from the Maryland Geological Survey can be found at http://www.mgs.md.gov/.

Lithology: Major:{serpentinite}, Incidental:{dunite, peridotite, pyroxenite, gabbro}

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]

Cambrian
485.4 - 541 Ma



ID: 3189717
Paleozoic sedimentary and volcanic rocks

Age: Cambrian (485.4 - 541 Ma)

Lithology: Mudstone-carbonate-sandstone-conglomerate

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

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Gordon, S. G. (1922) The chromite deposits of the State Line Serpentines: Acad. Natural Sciences Philadelphia: Proceedings 73 Part 3- 1921: 449-454.
Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
Pearre, N. & A. V. Heyl (1959) The history of chromite mining in Pennsylvania and Maryland: Pennsylvania 4th Geological Survey Circular: 23 p.
Pearre, N. & A. V. Heyl (1960) Mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania and Delaware: U. S. Geological Survey: Bulletin 1082K: 707-833.
Foord, E.E.; Heyl, A.V & Conklin, N.M. (1981): Chromium Minerals at the Line Pit, State Line chromite district, Pennsylvania and Maryland. Mineralogical Record 12, 149-156.

External Links

The Pennsylvania extension of the deposit is here: http://www.mindat.org/loc-57558.html


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