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Elk Creek, Johnson Co., Nebraska, USAi
Regional Level Types
Elk CreekCreek
Johnson Co.County
NebraskaState
USACountry

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Key
Lock Map
Latitude & Longitude (WGS84): 40° 17' 17'' North , 96° 7' 36'' West
Latitude & Longitude (decimal): 40.28825,-96.12694
GeoHash:G#: 9z5thw62p
Locality type:Creek
Köppen climate type:Dfa : Hot-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Tecumseh1,626 (2017)10.5km
Table Rock255 (2017)12.5km
Johnson328 (2011)17.5km
Pawnee City827 (2017)20.1km
Humboldt850 (2017)20.7km


A populated place (village).

Carbonatites (deep well cores).

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

23 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Anatase
Formula: TiO2
Reference: Joekel, R.M.; Nickeln, B.L. & Wally, K.D., 2007, “Late Paleozoic Weathering and Residual Acccumulation of Minerals on Elk Creek Carbonatites, Southeastern Nebraska, USA”, Paper No. 55-26, 2007 GSA Denver Annual Meeting (28–31 October 2007).
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: Woolley (1987), Alkaline Rocks and Carbonatites of the World
'Apatite'
Reference: Woolley (1987), Alkaline Rocks and Carbonatites of the World
Baryte
Formula: BaSO4
Reference: Woolley (1987), Alkaline Rocks and Carbonatites of the World
'Bastnäsite'
Reference: USGS Open File report 2010-5220; Verplanck, P. l., Farmer, G. l., Kettler, R. M., Lowers, H. A., Koenig, A. E. and Blessington, M. J. (2014), Rare Earth Element Enrichments in the Elk Creek Carbonatite. Acta Geologica Sinica, 88: 466–467.
Calcite
Formula: CaCO3
Reference: Carlson, M.P. & S.B. Treves, 2005, “The Elk Creek Carbonatite, Southeastern Nebraska – An Overview”, Natural Resources Research, vol. 14 No.1. ; Kettler, Richard M., Blessington, Michael Joseph, Verplanck, Philip L., And Farmer, G. Lang (2014) The Elk Creek Carbonatite Complex. Geological Society of America Abstracts with Programs. Vol. 46, No. 4, p.21
Chalcopyrite
Formula: CuFeS2
Reference: Woolley (1987), Alkaline Rocks and Carbonatites of the World
'Chlorite Group'
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Joekel, R.M.; Nickeln, B.L. & Wally, K.D., 2007, “Late Paleozoic Weathering and Residual Acccumulation of Minerals on Elk Creek Carbonatites, Southeastern Nebraska, USA”, Paper No. 55-26, 2007 GSA Denver Annual Meeting (28–31 October 2007).
Dolomite
Formula: CaMg(CO3)2
Reference: Woolley (1987), Alkaline Rocks and Carbonatites of the World
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Joekel, R.M.; Nickeln, B.L. & Wally, K.D., 2007, “Late Paleozoic Weathering and Residual Acccumulation of Minerals on Elk Creek Carbonatites, Southeastern Nebraska, USA”, Paper No. 55-26, 2007 GSA Denver Annual Meeting (28–31 October 2007).
Fluorite
Formula: CaF2
Reference: Woolley (1987), Alkaline Rocks and Carbonatites of the World
Galena
Formula: PbS
Reference: Woolley (1987), Alkaline Rocks and Carbonatites of the World
Goethite
Formula: α-Fe3+O(OH)
Reference: Joekel, R.M.; Nickeln, B.L. & Wally, K.D., 2007, “Late Paleozoic Weathering and Residual Acccumulation of Minerals on Elk Creek Carbonatites, Southeastern Nebraska, USA”, Paper No. 55-26, 2007 GSA Denver Annual Meeting (28–31 October 2007).
Hematite
Formula: Fe2O3
Reference: Woolley (1987), Alkaline Rocks and Carbonatites of the World
Ilmenite
Formula: Fe2+TiO3
Reference: Verplanck, P. l., Farmer, G. l., Kettler, R. M., Lowers, H. A., Koenig, A. E. and Blessington, M. J. (2014), Rare Earth Element Enrichments in the Elk Creek Carbonatite. Acta Geologica Sinica, 88: 466–467.
Kaolinite
Formula: Al2(Si2O5)(OH)4
'K Feldspar'
Reference: Joekel, R.M.; Nickeln, B.L. & Wally, K.D., 2007, “Late Paleozoic Weathering and Residual Acccumulation of Minerals on Elk Creek Carbonatites, Southeastern Nebraska, USA”, Paper No. 55-26, 2007 GSA Denver Annual Meeting (28–31 October 2007). ; Verplanck, P. l., Farmer, G. l., Kettler, R. M., Lowers, H. A., Koenig, A. E. and Blessington, M. J. (2014), Rare Earth Element Enrichments in the Elk Creek Carbonatite. Acta Geologica Sinica, 88: 466–467.
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Kettler, Richard M., Blessington, Michael Joseph, Verplanck, Philip L., And Farmer, G. Lang (2014) The Elk Creek Carbonatite Complex. Geological Society of America Abstracts with Programs. Vol. 46, No. 4, p.21; Verplanck, P. l., Farmer, G. l., Kettler, R. M., Lowers, H. A., Koenig, A. E. and Blessington, M. J. (2014), Rare Earth Element Enrichments in the Elk Creek Carbonatite. Acta Geologica Sinica, 88: 466–467.
'Monazite'
Reference: USGS Open File report 2010-5220; Verplanck, P. l., Farmer, G. l., Kettler, R. M., Lowers, H. A., Koenig, A. E. and Blessington, M. J. (2014), Rare Earth Element Enrichments in the Elk Creek Carbonatite. Acta Geologica Sinica, 88: 466–467.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var: Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
Nepheline
Formula: Na3K(Al4Si4O16)
Reference: Joekel, R.M.; Nickeln, B.L. & Wally, K.D., 2007, “Late Paleozoic Weathering and Residual Acccumulation of Minerals on Elk Creek Carbonatites, Southeastern Nebraska, USA”, Paper No. 55-26, 2007 GSA Denver Annual Meeting (28–31 October 2007).
'Parisite'
Reference: USGS Open File report 2010-5220; Verplanck, P. l., Farmer, G. l., Kettler, R. M., Lowers, H. A., Koenig, A. E. and Blessington, M. J. (2014), Rare Earth Element Enrichments in the Elk Creek Carbonatite. Acta Geologica Sinica, 88: 466–467.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Woolley (1987), Alkaline Rocks and Carbonatites of the World
Pyrite
Formula: FeS2
Reference: Woolley (1987), Alkaline Rocks and Carbonatites of the World
'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
Reference: Carlson, M.P. & S.B. Treves, 2005, “The Elk Creek Carbonatite, Southeastern Nebraska – An Overview”, Natural Resources Research, vol. 14 No.1. ; Verplanck, P. l., Farmer, G. l., Kettler, R. M., Lowers, H. A., Koenig, A. E. and Blessington, M. J. (2014), Rare Earth Element Enrichments in the Elk Creek Carbonatite. Acta Geologica Sinica, 88: 466–467.
Quartz
Formula: SiO2
Reference: Woolley (1987), Alkaline Rocks and Carbonatites of the World
Quartz var: Agate
Reference: The Minerals and Gemstones of Nebraska CSD U Neb EC 2
Quartz var: Chalcedony
Formula: SiO2
Reference: The Minerals and Gemstones of Nebraska CSD U Neb EC 2
Quartz var: Lake Superior Agate
Formula: SiO2
Reference: The Minerals and Gemstones of Nebraska CSD U Neb EC 2
Rutile
Formula: TiO2
Reference: Verplanck, P. l., Farmer, G. l., Kettler, R. M., Lowers, H. A., Koenig, A. E. and Blessington, M. J. (2014), Rare Earth Element Enrichments in the Elk Creek Carbonatite. Acta Geologica Sinica, 88: 466–467.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Reference: Woolley (1987), Alkaline Rocks and Carbonatites of the World
Sphalerite
Formula: ZnS
Reference: Woolley (1987), Alkaline Rocks and Carbonatites of the World
'Synchysite Group'
Reference: USGS Open File report 2010-5220; Verplanck, P. l., Farmer, G. l., Kettler, R. M., Lowers, H. A., Koenig, A. E. and Blessington, M. J. (2014), Rare Earth Element Enrichments in the Elk Creek Carbonatite. Acta Geologica Sinica, 88: 466–467.
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Ilmenite4.CB.05Fe2+TiO3
Magnetite4.BB.05Fe2+Fe3+2O4
'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
Quartz4.DA.05SiO2
var: Agate4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Lake Superior Agate4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Kaolinite9.ED.05Al2(Si2O5)(OH)4
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
var: Illite9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
Nepheline9.FA.05Na3K(Al4Si4O16)
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Bastnäsite'-
'Chlorite Group'-
'K Feldspar'-
'Monazite'-
'Parisite'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'Synchysite Group'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Anatase4.4.4.1TiO2
Rutile4.4.1.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
'Pyrochlore Group'8.2.1.1A2Nb2(O,OH)6Z
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
var: Illite71.2.2d.2K0.65Al2.0[Al0.65Si3.35O10](OH)2
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Vermiculite71.2.2d.3Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
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
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework Feldspathoids and related species
Nepheline76.2.1.2Na3K(Al4Si4O16)
Unclassified Minerals, Mixtures, etc.
'Apatite'-
'Bastnäsite'-
'Chlorite Group'-
'K Feldspar'-
Kaolinite-Al2(Si2O5)(OH)4
'Monazite'-
'Parisite'-
Quartz
var: Agate
-SiO2
var: Chalcedony-SiO2
var: Lake Superior Agate-SiO2
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
'Synchysite Group'-

List of minerals for each chemical element

HHydrogen
H PhlogopiteKMg3(AlSi3O10)(OH)2
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
H Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
H VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
H KaoliniteAl2(Si2O5)(OH)4
H Pyrochlore GroupA2Nb2(O,OH)6Z
H Goethiteα-Fe3+O(OH)
H ClinochloreMg5Al(AlSi3O10)(OH)8
H MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C DolomiteCaMg(CO3)2
C CalciteCaCO3
OOxygen
O AnkeriteCa(Fe2+,Mg)(CO3)2
O BaryteBaSO4
O DolomiteCaMg(CO3)2
O HematiteFe2O3
O PhlogopiteKMg3(AlSi3O10)(OH)2
O QuartzSiO2
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
O VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
O KaoliniteAl2(Si2O5)(OH)4
O Quartz (var: Lake Superior Agate)SiO2
O CalciteCaCO3
O Pyrochlore GroupA2Nb2(O,OH)6Z
O Goethiteα-Fe3+O(OH)
O ClinochloreMg5Al(AlSi3O10)(OH)8
O FluorapatiteCa5(PO4)3F
O NephelineNa3K(Al4Si4O16)
O AnataseTiO2
O MagnetiteFe2+Fe23+O4
O IlmeniteFe2+TiO3
O RutileTiO2
O MuscoviteKAl2(AlSi3O10)(OH)2
O Quartz (var: Chalcedony)SiO2
FFluorine
F FluoriteCaF2
F FluorapatiteCa5(PO4)3F
NaSodium
Na NephelineNa3K(Al4Si4O16)
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg DolomiteCaMg(CO3)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mg VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
AlAluminium
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Al Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Al VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Al KaoliniteAl2(Si2O5)(OH)4
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al NephelineNa3K(Al4Si4O16)
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si QuartzSiO2
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
Si VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Si KaoliniteAl2(Si2O5)(OH)4
Si Quartz (var: Lake Superior Agate)SiO2
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si NephelineNa3K(Al4Si4O16)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Quartz (var: Chalcedony)SiO2
PPhosphorus
P FluorapatiteCa5(PO4)3F
SSulfur
S BaryteBaSO4
S ChalcopyriteCuFeS2
S GalenaPbS
S PyriteFeS2
S SphaleriteZnS
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
K Muscovite (var: Illite)K0.65Al2.0[Al0.65Si3.35O10](OH)2
K NephelineNa3K(Al4Si4O16)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca DolomiteCaMg(CO3)2
Ca FluoriteCaF2
Ca CalciteCaCO3
Ca FluorapatiteCa5(PO4)3F
TiTitanium
Ti AnataseTiO2
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ChalcopyriteCuFeS2
Fe HematiteFe2O3
Fe PyriteFeS2
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Fe VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Fe Goethiteα-Fe3+O(OH)
Fe MagnetiteFe2+Fe23+O4
Fe IlmeniteFe2+TiO3
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Zn SphaleriteZnS
NbNiobium
Nb Pyrochlore GroupA2Nb2(O,OH)6Z
BaBarium
Ba BaryteBaSO4
PbLead
Pb GalenaPbS

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
251.902 - 541 Ma



ID: 3187973
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 541 Ma)

Lithology: Sedimentary rocks

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]

Pennsylvanian
298.9 - 323.2 Ma



ID: 2965891
Wabaunsee Group

Age: Pennsylvanian (298.9 - 323.2 Ma)

Stratigraphic Name: Wabaunsee Group

Description: Shale, sandstone, and interbedded limestone. Shale is light gray to dark gray, greenish gray, red, or black; contains very thin layers of siltstone; locally very fossiliferous, carbonaceous. Sandstone is brownish gray to yellowish gray, or gray, argillaceous , and micaceous. Limestone is dark gray to medium gray, yellowish gray, thin bedded to thick bedded; very fossiliferous. Contains coal beds less than 1 ft. thick. Approx. max thickness 300 ft

Comments: Includes in decending order: Wood Siding Formation, Root Shale, Stotler Limestone, Pillsbury Shale, Zeandale Limestone, Willard Shale, Emporia Limestone, Auburn Shale, Wakarusa Limestone, Solider Creek Shale, Burlingame Limestone, Scronton Shale, Howard Limestone, and Severy Shale. Original map source: Conservation and Survey Division, University of Nebraska-Lincoln (CSD), 1996, bedrock.e00: Nebraska Geological Survey, Conservation and Survey Division, University of Nebraska-Lincoln, Lincoln, Nebraska, scale 1:1,000,000.

Lithology: Major:{shale,sandstone,limestone}, Incidental:{siltstone, coal}

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]

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)
Woolley (1987), Alkaline Rocks and Carbonatites of the World.
Pabian, Roger K. (1993), Minerals and Gemstones of Nebraska, Conservation and Survey Division (Nebraska Geological Survey), School of Natural Resources, University of Nebraska, Educational Circular 2.

Localities in this Region
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