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:
Sosedka Pegmatite Vein, 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: 43373
mindat URL: http://www.mindat.org/loc-43373.html

Tectonic Settings:

Total number of sublocalities beneath "Sosedka Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, Russia": 0
Total number of bottom-level sublocalities: 0

Latitude: 50°39'6"N
Longitude: 109°53'14"E
Decimal Degree (lat, lon): 50.651666666667,109.88722222222
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 Fe H K Li Mn Na Nb O P S Si Ta Ti Y Zr 

Elements from minerals reported directly at this locality: Al B Be Bi C Ca Ce Cs Fe H K Li Mn Na Nb O P S Si Ta Ti Y Zr 

Structural Groups for minerals in this locality: 
AnalcimeArsenicBerylBismutiteChloriteClayColumbiteDanburiteFeldsparGarnet
MicaMonaziteNoneNot in a structural groupQuartzStibniteTourmalineZircon

23 IMA Minerals at location:
Albite  (*)Almandine  (*)Beryl  (*)Bismuth  (*)Bismuthinite  (*)
Bismutite  (*)Borocookeite  (*)Boromuscovite  (*)Cookeite  (*)Danburite  (*)
Elbaite  (*)Hambergite  (*)Ixiolite  (*)Laumontite  (*)Monazite-(Ce)  (*)
Petalite  (*)Pollucite  (*)Polycrase-(Y)  (*)Quartz  (*)Schorl  (*)
Spessartine  (*)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)12612608803
Almandine  (*)GarnetFe2+3Al2(SiO4)312612602353
Beryl  (*)BerylBe3Al2Si6O1812612604286
Bismuth  (*)ArsenicBi12612601966
Bismuthinite  (*)StibniteBi2S312612601935
Bismutite  (*)BismutiteBi2O2(CO3)1261260716
Borocookeite  (*)Clay ChloriteLiAl4(Si3B)O10(OH)812612602
Boromuscovite  (*)MicaKAl2(Si3B)O10(OH)212612605
Cookeite  (*)Chlorite Clay(Al,Li)3Al2(Si,Al)4O10(OH)81261260181
Danburite  (*)DanburiteCaB2Si2O81261260148
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)1261260520
Hambergite  (*)NoneBe2(BO3)(OH)126126081
Ixiolite  (*)Columbite(Ta2/3Mn2+1/3)O21261260148
Laumontite  (*)Not in a structural groupCaAl2Si4O12·4H2O12612601271
Monazite-(Ce)  (*)MonaziteCe(PO4)1261260945
Petalite  (*)Not in a structural groupLiAlSi4O101261260124
Pollucite  (*)AnalcimeCs(Si2Al)O6·nH2O1261260140
Polycrase-(Y)  (*)ColumbiteY(Ti,Nb)2(O,OH)61261260121
Quartz  (*)QuartzSiO2126126061156
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)12612602705
Spessartine  (*)GarnetMn2+3Al2(SiO4)312612601214
Xenotime-(Y)  (*)ZirconY(PO4)1261260939
Zircon  (*)ZirconZr(SiO4)12612605251


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  Yes  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  YesMuscovite  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  Yes  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  YesMuscovite  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  Yes  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 

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