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:
Olešnice, Letovice, Blansko District, South Moravian Region, Czech Republic


mindat Locality ID: 185969
mindat URL: http://www.mindat.org/loc-185969.html

Tectonic Settings:

Total number of sublocalities beneath "Olešnice, Letovice, Blansko District, South Moravian Region, Czech Republic": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Křtěnov
Ústup U Olešnice

Latitude: 49°34'49"N
Longitude: 16°27'55"E
Decimal Degree (lat, lon): 49.580277777778,16.465277777778

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 Fe H Mg Na O P S Si 

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

Structural Groups for minerals in this locality: 
AllophaneAmorphousAmphiboleCalciteClayCopiapiteGarnetNoneNot in a structural groupPalygorskite
QuartzSerpentineSmectite-vermiculiteTalc

13 IMA Minerals at location:
Allophane  (*)Andradite  (*)Antigorite  (*)Calcite  (*)Copiapite  (*)
Evansite  (*)Graphite  (*)Kyanite  (*)Nontronite  (*)Palygorskite  (*)
Quartz  (*)Talc  (*)Tremolite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Allophane  (*)AllophaneAl2O3(SiO2)1.3-2.0·2.5-3.0H2O147503470
Andradite  (*)GarnetCa3Fe3+2(SiO4)31475041534
Antigorite  (*)Serpentine ClayMg3Si2O5(OH)4147503708
Calcite  (*)CalciteCa(CO3)14750327770
Copiapite  (*)CopiapiteFe2+Fe3+4(SO4)6(OH)2·20H2O147503382
Evansite  (*)AmorphousAl3(PO4)(OH)6·8H2O14750356
Graphite  (*)NoneC1475032812
Kyanite  (*)Not in a structural groupAl2OSiO41475041507
Nontronite  (*)Clay Smectite-vermiculiteNa0.3Fe3+2(Si,Al)4O10(OH)2·nH2O147503471
Palygorskite  (*)Palygorskite Clay(Mg,Al)2Si4O10(OH)·4H2O147503306
Quartz  (*)QuartzSiO214750461156
Talc  (*)Clay TalcMg3Si4O10(OH)21475033337
Tremolite  (*)Amphibole   Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)202562



No ages have been assigned to this locality yet.

SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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