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:
Midland, Little Maria Mts, Riverside Co., California, USA


mindat Locality ID: 275951
mindat URL: http://www.mindat.org/loc-275951.html

Tectonic Settings:

Total number of sublocalities beneath "Midland, Little Maria Mts, Riverside Co., California, USA": 21
Total number of bottom-level sublocalities: 20

Number of Child Localities: 18
Child Localities:
Allen Placers (Allen Claim; Allen Group Placers; Victor Claim; Riverside Claim)
Arentz-Perkins Occurrence
Big Horn Mine (Big Horn Group)
Brown Mine [2]
Dale 3-X Brown Mine
Garbutt & Orcutt Deposit (Carbutt & Orcutt Deposit; Standard Gypsum Claims)
Langdon Mine (Langdon Deposit; Maybery And Brown; Dioxide Group; Hauser-Martin-Cheeseborough; Arentz-Perkins)
Little Maria Mountains Wollastonite Deposit
Lucky Boy Mine [2] (Paddy Faulkner Claim)
Maria Mountain Deposits (Maria Mtns Deposit)
Midland Mine (Midland Deposits; Superior Gypsum Pit)
Mountain King Occurrence
Red Bluff Fluorspar Deposit (Red Bluff Deposit)
Red Ocher Deposit
Unnamed Fluorspar Occurrence [1]
Unnamed Wollastonite Occurrence [1]
Western States Stone Quarry
Whitecap Limestone Nos. 1 And 2 (Whitecap Limestone #1 & #2)

Latitude: 33°51'11"N
Longitude: 114°49'55"W
Decimal Degree (lat, lon): 33.853055555556,-114.83194444444

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 Cu F Fe H K Mg Mn O S Si W 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
AllophaneAmphiboleCalciteChalcopyriteClayClinozoisiteCorundumEpidoteFluoriteGarnet
GypsumMalachiteMicaNoneNot in a structural groupPyriteQuartzRhodoniteRutileScheelite
SpinelWollastonite

22 IMA Minerals at location:
Andradite  (*)Anhydrite  (*)Bornite  (*)Calcite  (*)Chalcopyrite  (*)
Chrysocolla  (*)Epidote  (*)Fluorite  (*)Gypsum  (*)Hematite  (*)
Magnetite  (*)Malachite  (*)Manganite  (*)Phlogopite  (*)Pyrite  (*)
Pyrolusite  (*)Quartz  (*)Rhodochrosite  (*)Rhodonite  (*)Scheelite  (*)
Tremolite  (*)Wollastonite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Andradite  (*)GarnetCa3Fe3+2(SiO4)311692221534
Anhydrite  (*)Not in a structural groupCa(SO4)11692301588
Bornite  (*)NoneCu5FeS411692225516
Calcite  (*)CalciteCa(CO3)116922627770
Chalcopyrite  (*)ChalcopyriteCuFeS2116922227198
Chrysocolla  (*)Allophane(Cu2-xAlx)H2-xSi2O5(OH)4·nH2O3169222,169235,1692363531
Epidote  (*)Epidote ClinozoisiteCa2(Al2Fe3+)[Si2O7][SiO4]O(OH)11692228173
Fluorite  (*)FluoriteCaF23169224,169235,1692379617
Gypsum  (*)GypsumCa(SO4)·2H2O5169225,169226,169228,169229,1692306890
Hematite  (*)CorundumFe2O32169226,16923614640
Magnetite  (*)SpinelFe2+Fe3+2O4116923614899
Malachite  (*)MalachiteCu2(CO3)(OH)22169222,16923412537
Manganite  (*)RutileMn3+O(OH)1169226770
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)211692302273
Pyrite  (*)PyriteFeS2116923539462
Pyrolusite  (*)RutileMnO22169226,1692283106
Quartz  (*)QuartzSiO2116922261156
Rhodochrosite  (*)CalciteMn(CO3)11692261711
Rhodonite  (*)RhodoniteCaMn3Mn(Si5O15)1169222969
Scheelite  (*)ScheeliteCa(WO4)11692364894
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)211692302562
Wollastonite  (*)WollastoniteCaSiO32169227,1692381247



No ages have been assigned to this locality yet.

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