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:
Bowdoin, Sagadahoc Co., Maine, USA


mindat Locality ID: 205830
mindat URL: http://www.mindat.org/loc-205830.html

Tectonic Settings:

Total number of sublocalities beneath "Bowdoin, Sagadahoc Co., Maine, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Booker West Quarry
Coombs Quarries

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

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 As B Be Ca Cu F Fe H K Na Nb O P S Si U Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ApatiteArsenopyriteBerylClayColumbiteFeldsparGarnetMicaNonePyrite
QuartzSpinelTourmalineZircon

15 IMA Minerals at location:
Albite  (*)Almandine  (*)Annite  (*)Arsenopyrite  (*)Beryl  (*)
Columbite-(Fe)  (*)Fluorapatite  (*)Gahnite  (*)Microcline  (*)Muscovite  (*)
Pyrite  (*)Quartz  (*)Schorl  (*)Torbernite  (*)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)2217837,2178388803
Almandine  (*)GarnetFe2+3Al2(SiO4)32217837,2178382353
Annite  (*)Mica ClayKFe2+3(AlSi3O10)(OH)22217837,217838356
Arsenopyrite  (*)ArsenopyriteFeAsS12178389052
Beryl  (*)BerylBe3Al2Si6O182217837,2178384286
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O62217837,217838518
Fluorapatite  (*)ApatiteCa5(PO4)3F12178382740
Gahnite  (*)SpinelZnAl2O41217838445
Microcline  (*)FeldsparK(AlSi3O8)2217837,2178384924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)22217837,21783817380
Pyrite  (*)PyriteFeS2121783839462
Quartz  (*)QuartzSiO22217837,21783861156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)12178382705
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O12178381059
Zircon  (*)ZirconZr(SiO4)12178385251



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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