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Copperas Mountain, Paxton Township, Ross Co., Ohio, USAi
Regional Level Types
Copperas MountainMountain
Paxton TownshipTownship
Ross Co.County
OhioState
USACountry

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Key
08110050014946397336684.jpg
Copperas Mountain cliff exposure, looking north

Copperas Mountain, Paxton Township, Ross Co., Ohio, USA
09511220014947882073151.jpg
Copperas Mountain cliff exposure, looking south

Copperas Mountain, Paxton Township, Ross Co., Ohio, USA
03214540014947882118718.jpg
Paint Creek with Copperas Mountain exposure in background

Copperas Mountain, Paxton Township, Ross Co., Ohio, USA
08110050014946397336684.jpg
Copperas Mountain cliff exposure, looking north

Copperas Mountain, Paxton Township, Ross Co., Ohio, USA
09511220014947882073151.jpg
Copperas Mountain cliff exposure, looking south

Copperas Mountain, Paxton Township, Ross Co., Ohio, USA
03214540014947882118718.jpg
Paint Creek with Copperas Mountain exposure in background

Copperas Mountain, Paxton Township, Ross Co., Ohio, USA
08110050014946397336684.jpg
Copperas Mountain cliff exposure, looking north

Copperas Mountain, Paxton Township, Ross Co., Ohio, USA
09511220014947882073151.jpg
Copperas Mountain cliff exposure, looking south

Copperas Mountain, Paxton Township, Ross Co., Ohio, USA
Latitude & Longitude (WGS84):
39° 13' 57'' North , 83° 11' 52'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Bainbridge852 (2017)6.3km
Bourneville199 (2017)6.5km
South Salem208 (2017)14.8km
North Fork Village1,991 (2017)18.5km
Frankfort1,065 (2017)18.8km


The Copperas Mountain exposure is adjacent to a dirt road (Copperas Mountain Road) and Paint Creek, which eroded the 350' cliff. Exposed at the site is the Ohio Shale, with the overlying Bedford Shale and Berea Sandstone. The Ohio Shale (3/4 of the exposure, starting at the road elevation) is divided here into the Huron and Cleveland Shales.

The site is well known for large concretions, 1 to 5 feet in diameter, with soft septarian centers, often mineralized with dolomite, barite, quartz, calcite, and pyrite. Pyrite nodules (2"-5") also weather out of the shale.

Mineral efflorescences cover significant areas of the cliff exposure. Fibrous masses of halotrichite-pickeringite (white), melanterite (blue-green, "copperas" - used in the past to dye cloth), and copiapite (yellow, "yellow copperas") can be found.

The cliff is unstable, with significant rotting to the exposed shale.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Baryte
Formula: BaSO4
Reference: Minerals of Ohio Bull. 69 ODNR
Calcite
Formula: CaCO3
Reference: Minerals of Ohio Bull. 69 ODNR
Dolomite
Formula: CaMg(CO3)2
Reference: Minerals of Ohio Bull. 69 ODNR
Halotrichite
Formula: FeAl2(SO4)4 · 22H2O
Reference: Minerals of Ohio Bull. 69 ODNR
Melanterite
Formula: Fe2+(H2O)6SO4 · H2O
Reference: Minerals of Ohio Bull. 69 ODNR
Pickeringite
Formula: MgAl2(SO4)4 · 22H2O
Reference: Minerals of Ohio Bull. 69 ODNR
Pyrite
Formula: FeS2
Reference: Minerals of Ohio Bull. 69 ODNR
Quartz
Formula: SiO2
Reference: Minerals of Ohio Bull. 69 ODNR

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
Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Halotrichite7.CB.85FeAl2(SO4)4 · 22H2O
Melanterite7.CB.35Fe2+(H2O)6SO4 · H2O
Pickeringite7.CB.85MgAl2(SO4)4 · 22H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Melanterite29.6.10.1Fe2+(H2O)6SO4 · H2O
AB2(XO4)4·H2O
Halotrichite29.7.3.2FeAl2(SO4)4 · 22H2O
Pickeringite29.7.3.1MgAl2(SO4)4 · 22H2O
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 HalotrichiteFeAl2(SO4)4 · 22H2O
H MelanteriteFe2+(H2O)6SO4 · H2O
H PickeringiteMgAl2(SO4)4 · 22H2O
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O CalciteCaCO3
O BaryteBaSO4
O DolomiteCaMg(CO3)2
O QuartzSiO2
O HalotrichiteFeAl2(SO4)4 · 22H2O
O MelanteriteFe2+(H2O)6SO4 · H2O
O PickeringiteMgAl2(SO4)4 · 22H2O
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg PickeringiteMgAl2(SO4)4 · 22H2O
AlAluminium
Al HalotrichiteFeAl2(SO4)4 · 22H2O
Al PickeringiteMgAl2(SO4)4 · 22H2O
SiSilicon
Si QuartzSiO2
SSulfur
S BaryteBaSO4
S HalotrichiteFeAl2(SO4)4 · 22H2O
S MelanteriteFe2+(H2O)6SO4 · H2O
S PyriteFeS2
S PickeringiteMgAl2(SO4)4 · 22H2O
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
FeIron
Fe HalotrichiteFeAl2(SO4)4 · 22H2O
Fe MelanteriteFe2+(H2O)6SO4 · H2O
Fe PyriteFeS2
BaBarium
Ba BaryteBaSO4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Ernest H. Carlson. Minerals of Ohio. Ohio Department of Natural Resources, Division of Geological Survey. Columbus: 1991.


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