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:
Sharon Heights, Menlo Park, San Mateo Co., California, USA


mindat Locality ID: 30275
mindat URL: http://www.mindat.org/loc-30275.html

Tectonic Settings:

Total number of sublocalities beneath "Sharon Heights, Menlo Park, San Mateo Co., California, USA": 6
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Saga Foods Building Site
Sand Hill Road Road Cut
Sharon Park Drive
Sharon Park Drive Outcrop
St Dennis Church Parking Lot
Unnamed Stone Quarry [3]

Latitude: 37°25'21"N
Longitude: 122°12'4"W
Decimal Degree (lat, lon): 37.4225,-122.20111111111

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 Ca Fe H Hg K Mg N Na O S Si Ti U V 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteClayFeldsparGypsumNoneNot in a structural groupPyriteQuartzSmectite-vermiculite

11 IMA Minerals at location:
Alunite  (*)Ammoniojarosite  (*)Anatase  (*)Buddingtonite  (*)Carnotite  (*)
Cinnabar  (*)Gypsum  (*)Montmorillonite  (*)Niter  (*)Pyrite  (*)
Quartz  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alunite  (*)NoneKAl3(SO4)2(OH)61175766966
Ammoniojarosite  (*)Alunite(NH4)Fe3+3(SO4)2(OH)6117576630
Anatase  (*)Not in a structural groupTiO211757662162
Buddingtonite  (*)Feldspar(NH4)(AlSi3)O85175763,175764,175765,175766,17576727
Carnotite  (*)NoneK2(UO2)2(VO4)2·3H2O11757661184
Cinnabar  (*)NoneHgS11757662600
Gypsum  (*)GypsumCa(SO4)·2H2O3175764,175766,1757676890
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O5175763,175764,175765,175766,1757671508
Niter  (*)NoneK(NO3)1175766181
Pyrite  (*)PyriteFeS2117576639462
Quartz  (*)QuartzSiO2117576661156



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL
R061115Sharon Heights, Menlo Park, San Mateo Co., California, USAhttps://rruff.info/R061115


All locality data graciously provided by mindat.org

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