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Popes Creek, Charles County, Maryland, USAi
Regional Level Types
Popes CreekCreek
Charles CountyCounty
MarylandState
USACountry

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PhotosMapsSearch
06056210017272034721662.jpg
Gypsum, etc.

Popes Creek, Charles County, Maryland, USA
06056210017272034721662.jpg
Gypsum, etc.

Popes Creek, Charles County, Maryland, USA
06056210017272034721662.jpg
Gypsum, etc.

Popes Creek, Charles County, Maryland, USA
Latitude & Longitude (WGS84):
38° 23' 54'' North , 76° 59' 25'' West
Latitude & Longitude (decimal):
38.39861,-76.99028
GRN:
N26W44
Type:
Creek
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Dahlgren2,653 (2013)9.2km
La Plata9,125 (2017)14.6km
Colonial Beach3,580 (2017)16.2km
Rock Point107 (2011)19.2km
Cobb Island1,166 (2011)20.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Southern Maryland Rock and Mineral ClubClinton, Maryland42km
Calvert Marine Museum Fossil ClubSolomons, Maryland48km
Mindat Locality ID:
253263
Long-form identifier:
mindat:1:2:253263:2
GUID (UUID V4):
0


In concretions from bluffs along the Potomac River.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

ⓘ Cacoxenite
Formula: Fe3+24AlO6(PO4)17(OH)12 · 75H2O
ⓘ Calcite
Formula: CaCO3
ⓘ 'Glauconite'
Formula: K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ Quartz
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘCacoxenite8.DC.40Fe3+24AlO6(PO4)17(OH)12 · 75H2O
Group 9 - Silicates
ⓘMuscovite
var. Illite		9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
Unclassified
ⓘ'Glauconite'-K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2

List of minerals for each chemical element

HHydrogen
Hⓘ CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Hⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Hⓘ GoethiteFe3+O(OH)
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Oⓘ CalciteCaCO3
Oⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Oⓘ GoethiteFe3+O(OH)
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Oⓘ IlmeniteFe2+TiO3
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
MgMagnesium
Mgⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
AlAluminium
Alⓘ CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Alⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Alⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Siⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
PPhosphorus
Pⓘ CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
SSulfur
Sⓘ GypsumCaSO4 · 2H2O
KPotassium
Kⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Kⓘ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ GypsumCaSO4 · 2H2O
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
FeIron
Feⓘ CacoxeniteFe243+AlO6(PO4)17(OH)12 · 75H2O
Feⓘ GlauconiteK0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2
Feⓘ GoethiteFe3+O(OH)
Feⓘ IlmeniteFe2+TiO3

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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

Ostrander, Charles W., Price, Jr, Walter E. (1940) Minerals of Maryland. The Natural History Society of Maryland, Baltimore, Maryland, USA. 14pp.
Hearn, Paul P. (1988) Cacoxenite in Miocene Sediments of the Maryland Coastal Plain. Clays and Clay Minerals, 36 (5) 419-424 doi:10.1346/ccmn.1988.0360506
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