Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Kimzey Magnetite Mine, Magnet Cove, Hot Spring Co., Arkansas, USA

Oldest recorded age at locality: 115
Youngest recorded age at locality: 81

mindat Locality ID: 13847
mindat URL: http://www.mindat.org/loc-13847.html

Tectonic Settings:

Total number of sublocalities beneath "Kimzey Magnetite Mine, Magnet Cove, Hot Spring Co., Arkansas, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 34°27'0"N
Longitude: 92°49'59"W
Decimal Degree (lat, lon): 34.45,-92.833055555556
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al Ca F Fe H K Mg Na O P Si Ti 

Elements from minerals reported directly at this locality: Al Ca F Fe H K Mg Na O P Si Ti 

Structural Groups for minerals in this locality: 
ApatiteBrookiteClayFeldsparGarnetNonePyroxeneQuartzRutileSmectite-vermiculite
SpinelThomsoniteTridymiteVesuvianite

12 IMA Minerals at location:
Albite  (*)Andradite  (*)Brookite  (*)Diopside  (*)Fluorapatite  (*)
Magnetite  (*)Nepheline  (*)Quartz  (*)Rutile  (*)Thomsonite-Ca  (*)
Vermiculite  (*)Vesuvianite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)1158108803
Andradite  (*)GarnetCa3Fe3+2(SiO4)31158101534
Brookite  (*)BrookiteTiO2115810700
Diopside  (*)PyroxeneCaMgSi2O61158104135
Fluorapatite  (*)ApatiteCa5(PO4)3F1158102740
Magnetite  (*)SpinelFe2+Fe3+2O411581014899
Nepheline  (*)TridymiteNa3K(Al4Si4O16)115810884
Quartz  (*)QuartzSiO211581061156
Rutile  (*)RutileTiO21158105614
Thomsonite-Ca  (*)ThomsoniteNaCa2(Al5Si5)O20·6H2O115810452
Vermiculite  (*)Clay Smectite-vermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O115810652
Vesuvianite  (*)Vesuvianite(Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)101158101395


Locality Notes from all Ages at Locality:
Age IDLocality Notes
Jen_0000710MAGMATIC STYLE: Irregular intrusions. ASSOCIATED SILICATE ROCKS: Pyroxenite, gabbro, jacupirangite, melteigite, ijolite, nepheline and pseudoleucite syenite, trachyte, phonolite, lime silicate rocks, fenite.
Jen_0000711MAGMATIC STYLE: Irregular intrusions. ASSOCIATED SILICATE ROCKS: Pyroxenite, gabbro, jacupirangite, melteigite, ijolite, nepheline and pseudoleucite syenite, trachyte, phonolite, lime silicate rocks, fenite.
Jen_0000712MAGMATIC STYLE: Irregular intrusions. ASSOCIATED SILICATE ROCKS: Pyroxenite, gabbro, jacupirangite, melteigite, ijolite, nepheline and pseudoleucite syenite, trachyte, phonolite, lime silicate rocks, fenite.
Jen_0000713MAGMATIC STYLE: Irregular intrusions. ASSOCIATED SILICATE ROCKS: Pyroxenite, gabbro, jacupirangite, melteigite, ijolite, nepheline and pseudoleucite syenite, trachyte, phonolite, lime silicate rocks, fenite.
Jen_0000714MAGMATIC STYLE: Irregular intrusions. ASSOCIATED SILICATE ROCKS: Pyroxenite, gabbro, jacupirangite, melteigite, ijolite, nepheline and pseudoleucite syenite, trachyte, phonolite, lime silicate rocks, fenite.
Jen_0000715MAGMATIC STYLE: Irregular intrusions. ASSOCIATED SILICATE ROCKS: Pyroxenite, gabbro, jacupirangite, melteigite, ijolite, nepheline and pseudoleucite syenite, trachyte, phonolite, lime silicate rocks, fenite.


13 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
AJS265_848-000011029297±5K-Ar biotite  YesFerrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveZartman et al. (1967)10.2475/ajs.265.10.848AJS265_848 
AJS265_848-0000210595100±5K-Ar biotite  YesFerrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveZartman et al. (1967)10.2475/ajs.265.10.848AJS265_848 
AJS265_848-0000311094102±8Rb-Sr biotite  YesFerrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveZartman et al. (1967)10.2475/ajs.265.10.848AJS265_848 
AJS265_848-0000411094102±8Rb-Sr biotite  YesFerrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveZartman et al. (1967)10.2475/ajs.265.10.848AJS265_848 
Jen_00007101079199±8Rb-Sr whole rock  Yes  3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_00007111009095±5K-Ar biotite  Yes  3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_00007121029297±5K-Ar biotite  Yes  3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_0000713998190±9fission-track apatite  Yes  3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_000071411393103±10fission-track titanite  YesTitanite  3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
Jen_000071511595105±10fission-track titanite  YesTitanite  3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveWoolley and Kjarsgaard (2008)10.4095/225115GSCOF5796 
JG105_629-0000194.694.294.4±0.2Ar-Ar biotite  YesFerrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveBaksi (1997)10.1086/515966JG105_629 
JG105_629-0000294.49494.2±0.2Ar-Ar biotite  YesFerrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveBaksi (1997)10.1086/515966JG105_629 
JG105_629-0000310698102±4K-Ar whole rock  YesFerrimolybdite, MolybdeniteMo3407Magnet Cove, Hot Spring Co., Arkansas, USAMagnet CoveBaksi (1997)10.1086/515966JG105_629 

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