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G R Halli South block, Chitradurga, Chitradurga District, Karnataka, Indiai
Regional Level Types
G R Halli South blockProspect
ChitradurgaCity
Chitradurga DistrictDistrict
KarnatakaState
IndiaCountry

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Latitude & Longitude (WGS84):
14° 16' 59'' North , 76° 24' 0'' East
Latitude & Longitude (decimal):
14.28333,76.40000
GRN:
N10E52
Type:
Prospect
Köppen climate type:
BSh : Hot semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Chitradurga138,587 (2014)6.7km
Jagalūr15,787 (2015)27.1km
Challakere53,506 (2015)27.4km
Māyakonda6,445 (2015)34.1km
Holalkere15,480 (2015)35.4km
Mindat Locality ID:
463247
Long-form identifier:
mindat:1:2:463247:7
GUID (UUID V4):
0


The G. R. Halli area consists of rocks from the Ingaldhal Formation (2.9–2.55 Ga), bounded by the Chitradurga Granites to the west and the Hiriyur Formation to the east, separated by the G.R. Halli conglomerate. The TTG (tonalite–trondhjemite–granodiorite) basement is exposed farther east.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


8 valid minerals.

Rock Types Recorded

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
ⓘ 'Chlorite Group'
ⓘ Galena
Formula: PbS
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Native Gold
Formula: Au
ⓘ Paragonite
Formula: NaAl2(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Milky Quartz
Formula: SiO2
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘvar. Milky Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘParagonite9.EC.15NaAl2(AlSi3O10)(OH)2
ⓘMuscovite
var. Sericite		9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Chlorite Group'-
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ Quartz var. Milky QuartzSiO2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
MgMagnesium
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ ParagoniteNaAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Quartz var. Milky QuartzSiO2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
FeIron
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ PyriteFeS2
AuGold
Auⓘ Native GoldAu
PbLead
Pbⓘ GalenaPbS

Other Regions, Features and Areas containing this locality

AsiaContinent
Indian Plate (India Plate)Tectonic Plate

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

[1]Raju, P. V. S.; Mudili, Venkata Sai; Ganivada, Avatharam (2025) A Hybrid Framework for Detecting Gold Mineralization Zones in G.R. Halli, Western Dharwar Craton, Karnataka, India. Minerals, 15 (11). doi:10.3390/min15111125
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