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Glen Echo Ravine, Columbus, Franklin Co., Ohio, USAi
Regional Level Types
Glen Echo RavineRavine
Columbus- not defined -
Franklin Co.County
OhioState
USACountry

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Key
00418630014947283002648.jpg
Ohio Shale Concretion, Columbus, Ohio

Glen Echo Ravine, Columbus, Franklin Co., Ohio, USA
07368030014947933953074.jpg
Sulfide / Pyrite / Marcasite Concretion in Shale, Glen Echo Ravine, Columbus, Ohio

Glen Echo Ravine, Columbus, Franklin Co., Ohio, USA
02339190014947591196744.jpg
Pyrite Concretion in Shale as found, July 2013

Glen Echo Ravine, Columbus, Franklin Co., Ohio, USA
09693460014950093455367.jpg
Ohio Shale Concretion, Columbus, Ohio

Glen Echo Ravine, Columbus, Franklin Co., Ohio, USA
07368030014947933953074.jpg
Sulfide / Pyrite / Marcasite Concretion in Shale, Glen Echo Ravine, Columbus, Ohio

Glen Echo Ravine, Columbus, Franklin Co., Ohio, USA
02339190014947591196744.jpg
Pyrite Concretion in Shale as found, July 2013

Glen Echo Ravine, Columbus, Franklin Co., Ohio, USA
03383420014948590502267.jpg
Ohio Shale Concretion, Columbus, Ohio

Glen Echo Ravine, Columbus, Franklin Co., Ohio, USA
07368030014947933953074.jpg
Sulfide / Pyrite / Marcasite Concretion in Shale, Glen Echo Ravine, Columbus, Ohio

Glen Echo Ravine, Columbus, Franklin Co., Ohio, USA
Latitude & Longitude (WGS84):
40° 1' 9'' North , 82° 59' 55'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Grandview Heights7,328 (2017)5.7km
Upper Arlington34,907 (2017)6.1km
Columbus850,106 (2017)6.4km
Marble Cliff584 (2017)6.5km
Riverlea569 (2017)7.3km


Glen Echo Ravine is one of a series of ravines that drain into the Olentangy River in the City of Columbus. All of these ravines cut into the Ohio Shale, found in the Devonian bedrock exposed in a strip in the center of Ohio, running from Adams/Scioto counties in the south, up through the heavily populated counties along the shore of Lake Erie.

Sources describing minerals in the Ohio Shale in the northern part of the state can be applied to the Ohio Shale in general: it is a similar geology. Thus a similar pattern of mineralized concretions (containing ferroan dolomite, calcite, quartz, barite, and aragonite), pyrite disks, and mineral efflorescences (alunogen, botryogen, copiapite, epsomite, gypsum, hexahydrite, melanterite, ferroan pickeringite, and rozenite) can be found in central Ohio exposures of the Ohio shale. In addition, chert nodules weathered out of limestone can be found in the stream beds.

Glen Echo ravine runs about 2.5 miles from I-71 west to the Olentangy River. It is easily accessible at Glen Echo Park (the lat/long below). Bridges and tunnels make exploration of the Ravine a bit difficult, but it is possible to walk most of the ravine down to the Olentangy River.

Efflorescences, cone-in-cone calcite, and pyrite are found in the upper part of the Ravine, near Glen Echo Park. Between Indianola Ave. and High St. mineralized concretions can be seen, some as large as 6 feet across. Pyrite disks or "suns" can also be found between plates of the shale in the middle and lower part of the Ravine.

This is an urban site, so be prepared for a bit of graffiti, ne'er-do-well teenagers, junk, and the occasional homeless person living in a tent.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List


16 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:

Alunogen ?
Formula: Al2(SO4)3 · 17H2O
Reference: Ernest H. Carlson. Jerret Whitford. "Occurrence And Mineralogy Of Efflorescence In Late Devonian Black Shales, North-Central Ohio." 2002 GSA Meeting: Web: http://gsa.confex.com/gsa/2002AM/finalprogram/abstract_44706.htm
Aragonite
Formula: CaCO3
Reference: Ernest H. Carlson et al. "Mineralogy And Paragenesis Of Large Dolostone Septaria in the Late Devonian Huron Shale, North-Central Ohio." Rocks and Minerals, Volume 84, March/April 2009.
Baryte
Formula: BaSO4
Reference: Ernest H. Carlson et al. "Mineralogy And Paragenesis Of Large Dolostone Septaria in the Late Devonian Huron Shale, North-Central Ohio." Rocks and Minerals, Volume 84, March/April 2009.
Botryogen
Formula: MgFe3+(SO4)2(OH) · 7H2O
Reference: Ernest H. Carlson. Jerret Whitford. "Occurrence And Mineralogy Of Efflorescence In Late Devonian Black Shales, North-Central Ohio." 2002 GSA Meeting: Web: http://gsa.confex.com/gsa/2002AM/finalprogram/abstract_44706.htm
Calcite
Formula: CaCO3
Reference: Ernest H. Carlson et al. "Mineralogy And Paragenesis Of Large Dolostone Septaria in the Late Devonian Huron Shale, North-Central Ohio." Rocks and Minerals, Volume 84, March/April 2009.
Copiapite ?
Formula: Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Reference: Ernest H. Carlson. Jerret Whitford. "Occurrence And Mineralogy Of Efflorescence In Late Devonian Black Shales, North-Central Ohio." 2002 GSA Meeting: Web: http://gsa.confex.com/gsa/2002AM/finalprogram/abstract_44706.htm
Dolomite
Formula: CaMg(CO3)2
Reference: Ernest H. Carlson et al. "Mineralogy And Paragenesis Of Large Dolostone Septaria in the Late Devonian Huron Shale, North-Central Ohio." Rocks and Minerals, Volume 84, March/April 2009.
Dolomite var. Iron-bearing Dolomite
Formula: Ca(Mg,Fe)(CO3)2
Reference: Ernest H. Carlson et al. "Mineralogy And Paragenesis Of Large Dolostone Septaria in the Late Devonian Huron Shale, North-Central Ohio." Rocks and Minerals, Volume 84, March/April 2009.
Epsomite ?
Formula: MgSO4 · 7H2O
Reference: Ernest H. Carlson. Jerret Whitford. "Occurrence And Mineralogy Of Efflorescence In Late Devonian Black Shales, North-Central Ohio." 2002 GSA Meeting: Web: http://gsa.confex.com/gsa/2002AM/finalprogram/abstract_44706.htm
Gypsum ?
Formula: CaSO4 · 2H2O
Reference: Ernest H. Carlson. Jerret Whitford. "Occurrence And Mineralogy Of Efflorescence In Late Devonian Black Shales, North-Central Ohio." 2002 GSA Meeting: Web: http://gsa.confex.com/gsa/2002AM/finalprogram/abstract_44706.htm
Hexahydrite ?
Formula: MgSO4 · 6H2O
Reference: Ernest H. Carlson. Jerret Whitford. "Occurrence And Mineralogy Of Efflorescence In Late Devonian Black Shales, North-Central Ohio." 2002 GSA Meeting: Web: http://gsa.confex.com/gsa/2002AM/finalprogram/abstract_44706.htm
Marcasite
Formula: FeS2
Reference: Eric Mumper & Karen Fryer, Iron-Sulfide Concretions of the Ohio Shale: Glimpses Of Deep Subseafloor Microbial Ecosystems of the Late Devonian. Geological Society of America Abstracts with Programs, Vol. 44, No. 5, p. 74 (https://gsa.confex.com/gsa/2012NC/finalprogram/abstract_202972.htm)
Melanterite ?
Formula: Fe2+(H2O)6SO4 · H2O
Reference: Ernest H. Carlson. Jerret Whitford. "Occurrence And Mineralogy Of Efflorescence In Late Devonian Black Shales, North-Central Ohio." 2002 GSA Meeting: Web: http://gsa.confex.com/gsa/2002AM/finalprogram/abstract_44706.htm
Pickeringite
Formula: MgAl2(SO4)4 · 22H2O
Reference: Ernest H. Carlson. Jerret Whitford. "Occurrence And Mineralogy Of Efflorescence In Late Devonian Black Shales, North-Central Ohio." 2002 GSA Meeting: Web: http://gsa.confex.com/gsa/2002AM/finalprogram/abstract_44706.htm
Pyrite
Formula: FeS2
Reference: Vincent D. Barth. "Formation Of Concretions Occurring In The Ohio Shale Along The Olentangy River." Ohio Journal of Science, vol. 75, no. 3, 1974.
Quartz
Formula: SiO2
Reference: Ernest H. Carlson et al. "Mineralogy And Paragenesis Of Large Dolostone Septaria in the Late Devonian Huron Shale, North-Central Ohio." Rocks and Minerals, Volume 84, March/April 2009.
Quartz var. Chalcedony
Formula: SiO2
Reference: H. EDWARD CLIFTON. THE CARBONATE CONCRETIONS OF THE OHIO SHALE. THE OHIO JOURNAL OF SCIENCE 57(2): 114, March, 1957.
Rozenite ?
Formula: FeSO4 · 4H2O
Reference: Ernest H. Carlson. Jerret Whitford. "Occurrence And Mineralogy Of Efflorescence In Late Devonian Black Shales, North-Central Ohio." 2002 GSA Meeting: Web: http://gsa.confex.com/gsa/2002AM/finalprogram/abstract_44706.htm

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Marcasite2.EB.10aFeS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
var. Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
var. Iron-bearing Dolomite5.AB.10Ca(Mg,Fe)(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Alunogen ?7.CB.45Al2(SO4)3 · 17H2O
Baryte7.AD.35BaSO4
Botryogen7.DC.25MgFe3+(SO4)2(OH) · 7H2O
Copiapite ?7.DB.35Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Epsomite ?7.CB.40MgSO4 · 7H2O
Gypsum ?7.CD.40CaSO4 · 2H2O
Hexahydrite ?7.CB.25MgSO4 · 6H2O
Melanterite ?7.CB.35Fe2+(H2O)6SO4 · H2O
Pickeringite7.CB.85MgAl2(SO4)4 · 22H2O
Rozenite ?7.CB.15FeSO4 · 4H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
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
Epsomite ?29.6.11.1MgSO4 · 7H2O
Gypsum ?29.6.3.1CaSO4 · 2H2O
Hexahydrite ?29.6.8.1MgSO4 · 6H2O
Melanterite ?29.6.10.1Fe2+(H2O)6SO4 · H2O
Rozenite ?29.6.6.1FeSO4 · 4H2O
AB2(XO4)4·H2O
Pickeringite29.7.3.1MgAl2(SO4)4 · 22H2O
A2(XO4)3·H2O
Alunogen ?29.8.6.1Al2(SO4)3 · 17H2O
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)(XO4)Zq·xH2O
Botryogen31.9.6.1MgFe3+(SO4)2(OH) · 7H2O
Miscellaneous
Copiapite ?31.10.5.1Fe2+Fe3+4(SO4)6(OH)2 · 20H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Aragonite-CaCO3
Dolomite
var. Iron-bearing Dolomite
-Ca(Mg,Fe)(CO3)2
Quartz
var. Chalcedony
-SiO2

List of minerals for each chemical element

HHydrogen
H BotryogenMgFe3+(SO4)2(OH) · 7H2O
H PickeringiteMgAl2(SO4)4 · 22H2O
H AlunogenAl2(SO4)3 · 17H2O
H CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
H EpsomiteMgSO4 · 7H2O
H GypsumCaSO4 · 2H2O
H HexahydriteMgSO4 · 6H2O
H MelanteriteFe2+(H2O)6SO4 · H2O
H RozeniteFeSO4 · 4H2O
CCarbon
C CalciteCaCO3
C Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
C AragoniteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O CalciteCaCO3
O Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
O QuartzSiO2
O BaryteBaSO4
O AragoniteCaCO3
O BotryogenMgFe3+(SO4)2(OH) · 7H2O
O PickeringiteMgAl2(SO4)4 · 22H2O
O Quartz var. ChalcedonySiO2
O DolomiteCaMg(CO3)2
O AlunogenAl2(SO4)3 · 17H2O
O CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
O EpsomiteMgSO4 · 7H2O
O GypsumCaSO4 · 2H2O
O HexahydriteMgSO4 · 6H2O
O MelanteriteFe2+(H2O)6SO4 · H2O
O RozeniteFeSO4 · 4H2O
MgMagnesium
Mg Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
Mg BotryogenMgFe3+(SO4)2(OH) · 7H2O
Mg PickeringiteMgAl2(SO4)4 · 22H2O
Mg DolomiteCaMg(CO3)2
Mg EpsomiteMgSO4 · 7H2O
Mg HexahydriteMgSO4 · 6H2O
AlAluminium
Al PickeringiteMgAl2(SO4)4 · 22H2O
Al AlunogenAl2(SO4)3 · 17H2O
SiSilicon
Si QuartzSiO2
Si Quartz var. ChalcedonySiO2
SSulfur
S BaryteBaSO4
S PyriteFeS2
S BotryogenMgFe3+(SO4)2(OH) · 7H2O
S PickeringiteMgAl2(SO4)4 · 22H2O
S MarcasiteFeS2
S AlunogenAl2(SO4)3 · 17H2O
S CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
S EpsomiteMgSO4 · 7H2O
S GypsumCaSO4 · 2H2O
S HexahydriteMgSO4 · 6H2O
S MelanteriteFe2+(H2O)6SO4 · H2O
S RozeniteFeSO4 · 4H2O
CaCalcium
Ca CalciteCaCO3
Ca Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
Ca AragoniteCaCO3
Ca DolomiteCaMg(CO3)2
Ca GypsumCaSO4 · 2H2O
FeIron
Fe Dolomite var. Iron-bearing DolomiteCa(Mg,Fe)(CO3)2
Fe PyriteFeS2
Fe BotryogenMgFe3+(SO4)2(OH) · 7H2O
Fe MarcasiteFeS2
Fe CopiapiteFe2+Fe43+(SO4)6(OH)2 · 20H2O
Fe MelanteriteFe2+(H2O)6SO4 · H2O
Fe RozeniteFeSO4 · 4H2O
BaBarium
Ba BaryteBaSO4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Barth, Vincent D. (1974), "Formation Of Concretions Occurring in the Ohio Shale along the Olentangy River." Ohio Journal of Science: 75(3).
Carlson, Ernest H. (1991), Minerals of Ohio. Ohio Department of Natural Resources.
Carlson, Ernest H. (2002), Jerret Whitford. "Occurrence And Mineralogy Of Efflorescence In Late Devonian Black Shales, North-Central Ohio." 2002 GSA Meeting.
Carlson, Ernest H. et al (2009), "Mineralogy And Paragenesis Of Large Dolostone Septaria in the Late Devonian Huron Shale, North-Central Ohio." Rocks and Minerals: 84 (March/April).
Vasichko, Joe, Septarian Minerals of the Huron River near Lamereaux Road Bridge, Monroeville, Huron Co., Ohio.

External Links


Other Regions, Features and Areas containing this locality

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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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