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Thorium prospect, Stori, Kakheti, Georgiai
Regional Level Types
Thorium prospectProspect
StoriMining District
KakhetiRegion
GeorgiaCountry

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Latitude & Longitude (WGS84):
42° North , 45° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
GRN:
N29E25
Type:
Prospect
Kรถppen climate type:
Dfb : Warm-summer humid continental climate
Mindat Locality ID:
454759
Long-form identifier:
mindat:1:2:454759:7
GUID (UUID V4):
0


The thorium occurrence is located in the northern part of the district. It is characterized by high concentrations of thorium in association with carbonate-quartz-plagioclase veins, which cut Pliensbachian shales; these are about 20-30 cm in thickness. Concentrations of Th in these veins vary from 31 to 3882 ppm. In addition to thorium, anomalous Bi (57- 4806 ppm) and Y (75 - 4345 ppm) are also recognized in the mineralized zone.

On the southern slope of the Greater Caucasus, the river Stori canyon (Kakheti) exposes fractured, cataclastic and mylonitized Lower Jurassic clay-shales, which at more than 3 km distance undergo intensive hydrothermal silicification, carbonization and sulphide mineralization. This process is particularly intensively revealed in brecciated zones, where sometimes thick sulphide ore lodes are formed. The studies carried out by us showed that this entire complex of rocks in the described hydrothermal alteration process was enriched with thorium and bismuth up to industrial concentration (Th-100-200 g/t; Bi-200-900 g/t).

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


5 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

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Alphabetical List Tree Diagram

Detailed Mineral List:

โ“˜ Chalcopyrite
Formula: CuFeS2
โ“˜ 'Chlorite Group'
โ“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
โ“˜ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
โ“˜ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
โ“˜ Pyrite
Formula: FeS2
โ“˜ Pyrrhotite
Formula: Fe1-xS
โ“˜ Quartz
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
โ“˜Chalcopyrite2.CB.10aCuFeS2
โ“˜Pyrrhotite2.CC.10Fe1-xS
โ“˜Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
โ“˜Quartz4.DA.05SiO2
Group 9 - Silicates
โ“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
โ“˜var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
โ“˜'Chlorite Group'-
โ“˜'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
Hโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
OOxygen
Oโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oโ“˜ QuartzSiO2
Oโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
NaSodium
Naโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
AlAluminium
Alโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siโ“˜ QuartzSiO2
Siโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SSulfur
Sโ“˜ ChalcopyriteCuFeS2
Sโ“˜ PyriteFeS2
Sโ“˜ PyrrhotiteFe1-xS
KPotassium
Kโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caโ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FeIron
Feโ“˜ ChalcopyriteCuFeS2
Feโ“˜ PyriteFeS2
Feโ“˜ PyrrhotiteFe1-xS
CuCopper
Cuโ“˜ ChalcopyriteCuFeS2

Other Regions, Features and Areas containing this locality

AsiaContinent
Asia/Europe
CaucasusTranscontinental Region
Eurasian PlateTectonic Plate
Soviet Union (1922-1991)Country

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

[2]Okrostsvaridze, Avtandil, Akimidze, Karlo, Akimidze, Archil, Bluashvili, David (2011) The First Data on Industrial Concentration of Thorium and Bismuth in Hydrothermally Altered Lower-Jurassic Clay-Shales of the Stori Canyon (Southern Slope of the Greater Caucasus, Kakheti). Bull. Georg. Natl. Acad. Sci, 5 (2).
[1]Gagnidze, Avtandil Okrostsvaridze Nona, Boichenko, Giorgi (2016) Geological framework and mineral occurrences in the Georgia segment Eastern Greater Caucasus. Episodes, 39 (3) 500-508 doi:10.18814/epiiugs/2016/v39i3/99770
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