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:
Portuguese Bend Area, Palos Verdes Hills (Palos Verdes Cliffs), Palos Verdes Peninsula, Los Angeles Co., California, USA


mindat Locality ID: 210834
mindat URL: http://www.mindat.org/loc-210834.html

Tectonic Settings:

Total number of sublocalities beneath "Portuguese Bend Area, Palos Verdes Hills (Palos Verdes Cliffs), Palos Verdes Peninsula, Los Angeles Co., California, USA": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Gypsum Occurrence
Livingston Quarry (Livingston Rock And Gravel Co. Quarry)

Latitude: 33°44'30"N
Longitude: 118°21'4"W
Decimal Degree (lat, lon): 33.741666666667,-118.35111111111

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 Ba C Ca Fe H K Mg Na O S Si 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AluniteAragoniteBaryteCalciteGypsumNatroliteNonePyriteQuartz

10 IMA Minerals at location:
Aragonite  (*)Baryte  (*)Calcite  (*)Dolomite  (*)Gypsum  (*)
Jarosite  (*)Natrolite  (*)Pyrite  (*)Quartz  (*)Spadaite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aragonite  (*)AragoniteCa(CO3)11612863250
Baryte  (*)BaryteBa(SO4)116128611547
Calcite  (*)CalciteCa(CO3)116128627770
Dolomite  (*)NoneCaMg(CO3)211612869895
Gypsum  (*)GypsumCa(SO4)·2H2O11612856890
Jarosite  (*)AluniteKFe3+3(SO4)2(OH)611612862228
Natrolite  (*)NatroliteNa2(Si3Al2)O10·2H2O11612861236
Pyrite  (*)PyriteFeS2116128639462
Quartz  (*)QuartzSiO2116128661156
Spadaite  (*)NoneMgSiO2(OH)2·H2O (?)11612867



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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