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:
Rockford District, Coosa Co., Alabama, USA


mindat Locality ID: 28192
mindat URL: http://www.mindat.org/loc-28192.html

Tectonic Settings:

Total number of sublocalities beneath "Rockford District, Coosa Co., Alabama, USA": 34
Total number of bottom-level sublocalities: 32

Number of Child Localities: 28
Child Localities:
Coosa Cassiterite Corporation No. 1 Mine
Coosa Cassiterite Corporation No. 2 Mine
Coosa Cassiterite Corporation No. 7 Mine
Hatchet Springs Church
Jacks Creek
McCallister Pegmatite
Pond Mica Mine
Prospect No. 10
Prospect No. 11
Prospect No. 13 (Locality Four)
Prospect No. 14 (Locality Five)
Prospect No. 15
Prospect No. 16 (Locality Seven)
Prospect No. 17
Prospect No. 18
Prospect No. 19
Prospect No. 20 (County Land Tin)
Prospect No. 21 (County Land Tin)
Prospect No. 22
Prospect No. 23
Prospect No. 24
Prospect No. 25 (Bentley Tin Deposits)
Prospect No. 26 (Pasture Property; Bentley Tin Deposits)
Prospect No. 27 (Bently Group; Two Bits Deposits)
Prospect No. 3 (Fourteen Hundred Deposits)
Prospect No. 4
Prospect No. 5 (Number Five Mine; Millsite Deposits)
Two Bit Pegmatite

Latitude: 32°53'22"N
Longitude: 86°13'11"W
Decimal Degree (lat, lon): 32.889444444444,-86.219722222222
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 Be Ca F Fe H K Li Mn Na O P S Si Sn Ta U Zr 

Elements from minerals reported directly at this locality: Al O 

Structural Groups for minerals in this locality: 
ArthuriteAutuniteBerauniteBerylClayColumbiteCorundumFeldsparKaoliniteLaueite
Meta-autuniteMicaNoneOlivinePhosphosideritePyritePyroxeneQuartzRockbridgeiteRutile
StewartiteStrunziteTopazTripliteVivianiteZircon

27 IMA Minerals at location:
Albite  (*)Autunite  (*)Bermanite  (*)Beryl  (*)Cacoxenite  (*)
Cassiterite  (*)Corundum  (*)Eleonorite  (*)Heterosite  (*)Kaolinite  (*)
Laueite  (*)Lithiophorite  (*)Meta-autunite  (*)Microcline  (*)Muscovite  (*)
Phosphosiderite  (*)Pyrite  (*)Quartz  (*)Rockbridgeite  (*)Spodumene  (*)
Stewartite  (*)Strunzite  (*)Topaz  (*)Triplite  (*)Vivianite  (*)
Wodginite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)2126063,1260868803
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O11260631272
Bermanite  (*)ArthuriteMn2+Mn3+2(PO4)2(OH)2·4H2O112608655
Beryl  (*)BerylBe3Al2Si6O184126062,126063,126086,1260874286
Cacoxenite  (*)NoneFe3+24AlO6(PO4)17(OH)12·75H2O1126086280
Cassiterite  (*)RutileSnO229126055,126056,126057,126059,126060,126061,126063,126065,126066,126067,126068,126069,126070,126071,126072,126073,126074,126075,126076,126077,126078,126079,126080,126081,126082,126083,126084,126086,1260885171
Corundum  (*)CorundumAl2O301797
Eleonorite  (*)BerauniteFe3+6(PO4)4O(OH)4·6H2O112608651
Heterosite  (*)OlivineFe3+(PO4)1126086204
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)411260645591
Laueite  (*)LaueiteMn2+Fe3+2(PO4)2(OH)2·8H2O112608670
Lithiophorite  (*)None(Al,Li)(Mn4+,Mn3+)O2(OH)21126063210
Meta-autunite  (*)Meta-autuniteCa(UO2)2(PO4)2·6H2O1126086388
Microcline  (*)FeldsparK(AlSi3O8)2126063,1260864924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)23126063,126064,12608717380
Phosphosiderite  (*)PhosphosideriteFe3+(PO4)·2H2O2126086,126087182
Pyrite  (*)PyriteFeS2112606339462
Quartz  (*)QuartzSiO2112606361156
Rockbridgeite  (*)Rockbridgeite(Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)51126086206
Spodumene  (*)PyroxeneLiAlSi2O61126063688
Stewartite  (*)StewartiteMn2+Fe3+2(PO4)2(OH)2·8H2O112608648
Strunzite  (*)StrunziteMn2+Fe3+2(PO4)2(OH)2·6H2O112608698
Topaz  (*)TopazAl2SiO4F22126055,1260631476
Triplite  (*)TripliteMn2+2(PO4)F1126086233
Vivianite  (*)VivianiteFe2+3(PO4)2·8H2O1126063636
Wodginite  (*)ColumbiteMn2+Sn4+Ta2O8112606378
Zircon  (*)ZirconZr(SiO4)11260635251


No ages have been assigned to this locality yet.
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