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:
Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, Russia

Oldest recorded age at locality: 128.8
Youngest recorded age at locality: 122.8

mindat Locality ID: 29506
mindat URL: http://www.mindat.org/loc-29506.html

Tectonic Settings:

Total number of sublocalities beneath "Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, Russia": 6
Total number of bottom-level sublocalities: 6

Number of Child Localities: 6
Child Localities:
Danburitovaya Pegmatite Vein
Mokhovaya Pegmatite Vein
Oktyabrskaya Pegmatite Vein
Oreshnaya Pegmatite Vein
Sosedka Pegmatite Vein
Zapadnaya Pegmatite Vein

Latitude: 50°38'43"N
Longitude: 109°52'49"E
Decimal Degree (lat, lon): 50.645277777778,109.88027777778
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 B Be Bi C Ca Ce Cs F Fe H K Li Mg Mn Na Nb O P S Si Sn Ta Th Ti U Y Zr 

Elements from minerals reported directly at this locality: Al B Ca Cs H Li Mn O Si 

Structural Groups for minerals in this locality: 
AnalcimeApatiteArsenicAxiniteBerylBismutiteChloriteClayColumbiteDanburite
FeldsparFluoriteGarnetMicaMonaziteNoneNot in a structural groupPyroxeneQuartzRutile
StibniteStilbiteTopazTourmalineVivianiteZircon

39 IMA Minerals at location:
Albite  (*)Almandine  (*)Axinite-(Mn)  (*)Beryl  (*)Bismuth  (*)
Bismuthinite  (*)Bismutite  (*)Bismutocolumbite  (*)Bobierrite  (*)Borocookeite  (*)
Boromuscovite  (*)Cassiterite  (*)Columbite-(Mn)  (*)Cookeite  (*)Danburite  (*)
Elbaite  (*)Euxenite-(Y)  (*)Fluorapatite  (*)Fluorite  (*)Hambergite  (*)
Ixiolite  (*)Laumontite  (*)Microcline  (*)Monazite-(Ce)  (*)Muscovite  (*)
Nanpingite  (*)Petalite  (*)Pollucite  (*)Polycrase-(Y)  (*)Quartz  (*)
Rutile  (*)Schorl  (*)Spessartine  (*)Spodumene  (*)Stellerite  (*)
Stilbite-Ca  (*)Topaz  (*)Xenotime-(Y)  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)128.8122.84104360,104361,104362,1043648803
Almandine  (*)GarnetFe2+3Al2(SiO4)3128.8123.62104362,1043642353
Axinite-(Mn)  (*)AxiniteCa4Mn2+2Al4[B2Si8O30](OH)2128.8122.8088
Beryl  (*)BerylBe3Al2Si6O18128.8122.84104360,104361,104362,1043644286
Bismuth  (*)ArsenicBi128.8122.82104360,1043641966
Bismuthinite  (*)StibniteBi2S3128.8122.82104360,1043641935
Bismutite  (*)BismutiteBi2O2(CO3)128.8122.82104360,104364716
Bismutocolumbite  (*)NoneBiNbO4128.8122.811043602
Bobierrite  (*)VivianiteMg3(PO4)2·8H2O128.8122.8110436017
Borocookeite  (*)Clay ChloriteLiAl4(Si3B)O10(OH)8128.8122.82104361,1043642
Boromuscovite  (*)MicaKAl2(Si3B)O10(OH)2128.8122.82104361,1043645
Cassiterite  (*)RutileSnO2128.8122.82104360,1043625171
Columbite-(Mn)  (*)ColumbiteMn2+Nb2O6128.8122.81104360289
Cookeite  (*)Chlorite Clay(Al,Li)3Al2(Si,Al)4O10(OH)8128.8122.82104361,104364181
Danburite  (*)DanburiteCaB2Si2O8128.8122.84104360,104361,104362,104364148
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)128.8122.84104360,104361,104362,104364520
Euxenite-(Y)  (*)ColumbiteY(NbTi)O6128.8122.81104360414
Fluorapatite  (*)ApatiteCa5(PO4)3F128.8122.811043602740
Fluorite  (*)FluoriteCaF2128.8122.82104360,1043619617
Hambergite  (*)NoneBe2(BO3)(OH)128.8122.83104360,104362,10436481
Ixiolite  (*)Columbite(Ta2/3Mn2+1/3)O2128.8122.82104360,104364148
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O128.8122.82104361,1043641271
Microcline  (*)FeldsparK(AlSi3O8)128.8122.82104360,1043624924
Monazite-(Ce)  (*)MonaziteCe(PO4)1261261104364945
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2128.8125110436117380
Nanpingite  (*)MicaCsAl2(Si3Al)O10(OH)2128.8122.808
Petalite  (*)Not in a structural groupLiAlSi4O10128.8122.82104360,104364124
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O128.8122.83104360,104361,104364140
Polycrase-(Y)  (*)ColumbiteY(Ti,Nb)2(O,OH)61261261104364121
Quartz  (*)QuartzSiO2128.8122.86104360,104361,104362,104363,104364,10436561156
Rutile  (*)RutileTiO2128.8122.811043605614
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)128.8123.62104362,1043642705
Spessartine  (*)GarnetMn2+3Al2(SiO4)3128.8122.84104360,104361,104362,1043641214
Spodumene  (*)PyroxeneLiAlSi2O6128.8122.80688
Stellerite  (*)StilbiteCa4(Si28Al8)O72·28H2O128.8122.80189
Stilbite-Ca  (*)StilbiteNaCa4(Si27Al9)O72·28H2O128.8122.81104360268
Topaz  (*)TopazAl2SiO4F2128.8122.82104360,1043621476
Xenotime-(Y)  (*)ZirconY(PO4)128.8122.82104360,104364939
Zircon  (*)ZirconZr(SiO4)128.8123.62104362,1043645251


6 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Alexandra-0117125.8123.6124.7 ± 1.1Ar-ArAge of intrusionk-feldspar     43374Oktyabrskaya Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, RussiaOktyabrskaya pegmatite veinZagorsky and Peretyazhko (2010)10.1134/S1028334X10020054DES430_172Thus, the interval 123.8–127.6 Ma is interpreted as the likely age of the granite–pegmatite system as a whole.
Alexandra-0118128.8126.4127.6 ± 1.2Ar-ArAge of intrusionmuscovite   Muscovite  43374Oktyabrskaya Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, RussiaOktyabrskaya pegmatite veinZagorsky and Peretyazhko (2010)10.1134/S1028334X10020054DES430_172Thus, the interval 123.8–127.6 Ma is interpreted as the likely age of the granite–pegmatite system as a whole.
Alexandra-0119127.2125126.1 ± 1.1Ar-ArAge of intrusionlepidolite     43374Oktyabrskaya Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, RussiaOktyabrskaya pegmatite veinZagorsky and Peretyazhko (2010)10.1134/S1028334X10020054DES430_172Thus, the interval 123.8–127.6 Ma is interpreted as the likely age of the granite–pegmatite system as a whole.
Alexandra-0120127.4125126.2 ± 1.2Ar-ArAge of intrusionmuscovite   Muscovite  248624Oreshnaya Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, RussiaOreshnaya Pegmatite VeinZagorsky and Peretyazhko (2010)10.1134/S1028334X10020054DES430_172Thus, the interval 123.8–127.6 Ma is interpreted as the likely age of the granite–pegmatite system as a whole.
Alexandra-0121125.2122.8124.0 ± 1.2Ar-ArAge of intrusionbiotite     248624Oreshnaya Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, RussiaOreshnaya Pegmatite VeinZagorsky and Peretyazhko (2010)10.1134/S1028334X10020054DES430_172Thus, the interval 123.8–127.6 Ma is interpreted as the likely age of the granite–pegmatite system as a whole.
Grew_Li_2019_0010126126126      Borocookeite 43373Sosedka Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, RussiaSosedka pegmatite, Malkhan field, Krasny Chikoy area, Chita, RussiaZagorsky and Peretyazko (2010)10.1134/S1028334X10020054DES430_172 

SampleSource LocalityReference URL
R080076Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, Russiahttps://rruff.info/R080076

All locality data graciously provided by mindat.org

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