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:
American #1 Talc Mine, Balmat, Balmat-Edwards Zinc District, St. Lawrence Co., New York, USA

Oldest recorded age at locality: 1600
Youngest recorded age at locality: 1000

mindat Locality ID: 222113
mindat URL: http://www.mindat.org/loc-222113.html

Tectonic Settings:

Total number of sublocalities beneath "American #1 Talc Mine, Balmat, Balmat-Edwards Zinc District, St. Lawrence Co., New York, USA": 0
Total number of bottom-level sublocalities: 0

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 B Ca Cr F Fe H K Mg Na O P S Si 

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

Structural Groups for minerals in this locality: 
AmphiboleApatiteClayMicaNonePyriteQuartzTalcTourmaline

10 IMA Minerals at location:
Chromium-dravite  (*)Chromo-alumino-povondraite  (*)Cummingtonite  (*)Fluorapatite  (*)Oxy-chromium-dravite  (*)
Phlogopite  (*)Pyrite  (*)Quartz  (*)Talc  (*)Tremolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Chromium-dravite  (*)TourmalineNaMg3Cr6(Si6O18)(BO3)3(OH)3(OH)1600100006
Chromo-alumino-povondraite  (*)TourmalineNaCr3(Al4Mg2)(Si6O18)(BO3)3(OH)3O1600100002
Cummingtonite  (*)Amphibole   Mg2Mg5Si8O22(OH)2160010000327
Fluorapatite  (*)ApatiteCa5(PO4)3F1600100002740
Oxy-chromium-dravite  (*)TourmalineNaCr3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O1600100002
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)21600100002273
Pyrite  (*)PyriteFeS216001000039462
Quartz  (*)QuartzSiO216001000061156
Talc  (*)Clay TalcMg3Si4O10(OH)21600100003337
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)21600100002562


2 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
sedexmvt-00221130512841305-1284 Ma (geological relations)geological relations    Yes  4026Balmat, Balmat-Edwards Zinc District, St. Lawrence Co., New York, USABalmatTaylor et al. (2009) USGSOFR2009_1297 
sedznpb-0044616001000Mesoproterozoic     Yes  4026Balmat, Balmat-Edwards Zinc District, St. Lawrence Co., New York, USABalmatSinger et al. (2009) USGSOFR2009-1252 

SampleSource LocalityReference URL
FKM-121American #1 Talc Mine, Balmat, Balmat-Edwards Zinc District, St. Lawrence Co., New York, USAhttps://www.rockptx.com/fkm-101-to-fkm-125/#FKM-121

All locality data graciously provided by mindat.org

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