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:
Sumas Mountain, Whatcom Co., Washington, USA


mindat Locality ID: 15899
mindat URL: http://www.mindat.org/loc-15899.html

Tectonic Settings:

Total number of sublocalities beneath "Sumas Mountain, Whatcom Co., Washington, USA": 4
Total number of bottom-level sublocalities: 4

Number of Child Localities: 4
Child Localities:
Abandoned Quarry
Nooksack Claim
Sumas Mountain Area
Sumas Mountain Claim (Stein Claim)

Latitude: 48°56'13"N
Longitude: 122°12'33"W
Decimal Degree (lat, lon): 48.936944444444,-122.20916666667
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 Cr Fe H Mg Na O Si 

Elements from minerals reported directly at this locality: Mg O Si 

Structural Groups for minerals in this locality: 
AmphiboleCalciteClinozoisiteEpidoteNonePectolitePrehnitePyroxeneSpinel

10 IMA Minerals at location:
Calcite  (*)Chromite  (*)Clinozoisite  (*)Diopside  (*)Enstatite  (*)
Magnetite  (*)Pectolite  (*)Prehnite  (*)Tremolite  (*)Xonotlite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Calcite  (*)CalciteCa(CO3)128635927770
Chromite  (*)SpinelFe2+Cr2O42286360,2863623902
Clinozoisite  (*)Clinozoisite EpidoteCa2Al3[Si2O7][SiO4]O(OH)12863591025
Diopside  (*)PyroxeneCaMgSi2O612863594135
Enstatite  (*)PyroxeneMg2Si2O60944
Magnetite  (*)SpinelFe2+Fe3+2O4128635914899
Pectolite  (*)PectoliteNaCa2Si3O8(OH)1286359363
Prehnite  (*)PrehniteCa2Al(Si3Al)O10(OH)22286359,2863611898
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)212863592562
Xonotlite  (*)NoneCa6Si6O17(OH)22286359,286361109


No ages have been assigned to this locality yet.
SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

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