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:
Mt Margaret, Mt St Helens District, Skamania Co., Washington, USA


mindat Locality ID: 19551
mindat URL: http://www.mindat.org/loc-19551.html

Tectonic Settings:

Total number of sublocalities beneath "Mt Margaret, Mt St Helens District, Skamania Co., Washington, USA": 6
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Bronze Monarch Claim (Martha Washington)
Chicago Claim
Norway Claim
Ripper And Chief Claim
Yellow Metals Claim
Young America Claim

Latitude: 46°18'28"N
Longitude: 122°6'4"W
Decimal Degree (lat, lon): 46.307777777778,-122.10111111111
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 C Cu Fe H Na O Pb S Si Zn 

Elements from minerals reported directly at this locality: Al B Fe H Na O Si 

Structural Groups for minerals in this locality: 
ArsenopyriteChalcopyriteCopperMalachiteNickelineNonePyriteQuartzRocksaltSphalerite
Tourmaline

10 IMA Minerals at location:
Arsenopyrite  (*)Chalcopyrite  (*)Copper  (*)Galena  (*)Malachite  (*)
Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Schorl  (*)Sphalerite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Arsenopyrite  (*)ArsenopyriteFeAsS12855579052
Chalcopyrite  (*)ChalcopyriteCuFeS26285556,285557,285558,285559,285560,28556127198
Copper  (*)CopperCu12855573846
Galena  (*)RocksaltPbS2285557,28555924243
Malachite  (*)MalachiteCu2(CO3)(OH)2128555612537
Pyrite  (*)PyriteFeS23285556,285557,28555839462
Pyrrhotite  (*)NickelineFe7S812855589056
Quartz  (*)QuartzSiO25285556,285557,285558,285560,28556161156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)02705
Sphalerite  (*)SphaleriteZnS128555721482


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

All locality data graciously provided by mindat.org

All age data...

Other copyright data...