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:
Baylis Quarry (Bayliss Quarry), Bedford, Westchester Co., New York, USA


mindat Locality ID: 8589
mindat URL: http://www.mindat.org/loc-8589.html

Tectonic Settings:

Total number of sublocalities beneath "Baylis Quarry (Bayliss Quarry), Bedford, Westchester Co., New York, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 41°12'15"N
Longitude: 73°38'39"W
Decimal Degree (lat, lon): 41.204166666667,-73.644166666667
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 B Be Bi Ca Cu Fe H K Mn Na Nb O P S Si Ti U Zr 

Elements from minerals reported directly at this locality: Al B Be Bi Ca Cu Fe H K Mn Na Nb O P S Si Ti U Zr 

Structural Groups for minerals in this locality: 
AmorphousAutuniteBerylClayColumbiteCorundumFeldsparGarnetMicaNone
PyriteQuartzRutileStibniteTourmalineZircon

19 IMA Minerals at location:
Albite  (*)Almandine  (*)Autunite  (*)Beryl  (*)Bismuthinite  (*)
Columbite-(Fe)  (*)Ilmenite  (*)Microcline  (*)Muscovite  (*)Opal  (*)
Orthoclase  (*)Pyrite  (*)Pyrolusite  (*)Quartz  (*)Rutile  (*)
Schorl  (*)Torbernite  (*)Uranophane-α  (*)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)302353
Autunite  (*)AutuniteCa(UO2)2(PO4)2·10-12H2O01272
Beryl  (*)BerylBe3Al2Si6O1804286
Bismuthinite  (*)StibniteBi2S301935
Columbite-(Fe)  (*)ColumbiteFe2+Nb2O60518
Ilmenite  (*)CorundumFe2+Ti4+O305433
Microcline  (*)FeldsparK(AlSi3O8)04924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2017380
Opal  (*)AmorphousSiO2·nH2O02994
Orthoclase  (*)FeldsparK(AlSi3O8)02349
Pyrite  (*)PyriteFeS2039462
Pyrolusite  (*)RutileMnO203106
Quartz  (*)QuartzSiO2061156
Rutile  (*)RutileTiO205614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)02705
Torbernite  (*)NoneCu(UO2)2(PO4)2·12H2O01059
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O0890
Zircon  (*)ZirconZr(SiO4)05251


No ages have been assigned to this locality yet.

All locality data graciously provided by mindat.org

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