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:
Jamestown, Newport Co., Rhode Island, USA


mindat Locality ID: 31711
mindat URL: http://www.mindat.org/loc-31711.html

Tectonic Settings:

Total number of sublocalities beneath "Jamestown, Newport Co., Rhode Island, USA": 3
Total number of bottom-level sublocalities: 3

Number of Child Localities: 3
Child Localities:
Beavertail State Park
Jamestown Bridge Staurolite Locality
Jamestown Graphite Mine

Latitude: 41°27'11"N
Longitude: 71°23'51"W
Decimal Degree (lat, lon): 41.453055555556,-71.3975

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 C Ca F Fe H K Mg Mn Na O P S Si Ti Zr 

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

Structural Groups for minerals in this locality: 
AmphiboleApatiteCalciteChloriteChloritoidClayCorundumFeldsparGarnetMica
NonePyriteQuartzSpinelStauroliteTitaniteWavelliteZircon

20 IMA Minerals at location:
Albite  (*)Almandine  (*)Calcite  (*)Clinochlore  (*)Fluorapatite  (*)
Graphite  (*)Hematite  (*)Ilmenite  (*)Magnetite  (*)Microcline  (*)
Muscovite  (*)Ottrélite  (*)Pyrite  (*)Quartz  (*)Siderite  (*)
Staurolite  (*)Titanite  (*)Tremolite  (*)Wavellite  (*)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)08803
Almandine  (*)GarnetFe2+3Al2(SiO4)32263409,2634102353
Calcite  (*)CalciteCa(CO3)126340927770
Clinochlore  (*)Chlorite ClayMg5Al(AlSi3O10)(OH)82263410,2634111756
Fluorapatite  (*)ApatiteCa5(PO4)3F12634092740
Graphite  (*)NoneC2263410,2634112812
Hematite  (*)CorundumFe2O3126341114640
Ilmenite  (*)CorundumFe2+Ti4+O312634105433
Magnetite  (*)SpinelFe2+Fe3+2O4014899
Microcline  (*)FeldsparK(AlSi3O8)04924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2017380
Ottrélite  (*)ChloritoidMn2+Al2O(SiO4)(OH)2126341059
Pyrite  (*)PyriteFeS2126340939462
Quartz  (*)QuartzSiO22263410,26341161156
Siderite  (*)CalciteFe(CO3)12634096417
Staurolite  (*)StauroliteFe2+2Al9Si4O23(OH)1263410978
Titanite  (*)TitaniteCaTi(SiO4)O12634094899
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)212634112562
Wavellite  (*)WavelliteAl3(PO4)2(OH)3·5H2O0374
Zircon  (*)ZirconZr(SiO4)12634095251



No ages have been assigned to this locality yet.

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All locality data graciously provided by mindat.org

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