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:
New Year Mine (Houghton Property; Mohawk-New Year Mine), Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony Deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA

Oldest recorded age at locality: 22.5
Youngest recorded age at locality: 22

mindat Locality ID: 52276
mindat URL: http://www.mindat.org/loc-52276.html

Tectonic Settings:

Total number of sublocalities beneath "New Year Mine (Houghton Property; Mohawk-New Year Mine), Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony Deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA": 0
Total number of bottom-level sublocalities: 0

Latitude: 32°42'16"N
Longitude: 110°40'41"W
Decimal Degree (lat, lon): 32.704444444444,-110.67805555556

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.

No IMA Minerals occur at this locality according to mindat

Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_361Mammoth District vein set is emplaced in a fault, hosted by the volcanic and conglomerate Cloudburst formation. The deposits have undergone Mid-Tertiary extension and alteration.


1 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
Michelle_36122.52222-22.5 Age of vein mineralization   Yes  12770Mammoth District, Pinal Co., Arizona, USAMammoth DistrictForce and Cox (1992) BOOK_SCMMMSMD_1992Age of vein mineralization


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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