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Chelima dikes, Kurnool District, Andhra Pradesh, Indiai
Regional Level Types
Chelima dikesGroup of Dikes
Kurnool DistrictDistrict
Andhra PradeshState
IndiaCountry

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Key
Latitude & Longitude (WGS84):
15° 27' North , 78° 43' East
Latitude & Longitude (decimal):
Locality type:
Group of Dikes
Nearest Settlements:
PlacePopulationDistance
Diguvametta5,166 (2016)13.5km
Giddalūr28,142 (2016)24.0km
Nandyāl165,337 (2016)25.2km
Cumbum22,653 (2016)44.7km
Atmakūr35,137 (2014)49.9km


More than 30 dikes occur within an area of 10 x 7 km, c. 6 km from Chelima railway station. They are emplaced in Proterozoic phyllites, shales, slates, they are 1-5m wide and up to c.2 km long.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and 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:

'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Reference: Bergman, S. C. (1987). Lamproites and other potassium-rich igneous rocks: a review of their occurrence, mineralogy and geochemistry. Geological Society, London, Special Publications, 30(1), 103-190.
'Chlorite Group'
Reference: Bergman, S. C. (1987). Lamproites and other potassium-rich igneous rocks: a review of their occurrence, mineralogy and geochemistry. Geological Society, London, Special Publications, 30(1), 103-190.
Dolomite
Formula: CaMg(CO3)2
Reference: Bergman, S. C. (1987). Lamproites and other potassium-rich igneous rocks: a review of their occurrence, mineralogy and geochemistry. Geological Society, London, Special Publications, 30(1), 103-190.
'Fayalite-Forsterite Series'
Reference: Bergman, S. C. (1987). Lamproites and other potassium-rich igneous rocks: a review of their occurrence, mineralogy and geochemistry. Geological Society, London, Special Publications, 30(1), 103-190.
Ilmenite
Formula: Fe2+TiO3
Reference: Bergman, S. C. (1987). Lamproites and other potassium-rich igneous rocks: a review of their occurrence, mineralogy and geochemistry. Geological Society, London, Special Publications, 30(1), 103-190.
Perovskite
Formula: CaTiO3
Reference: Bergman, S. C. (1987). Lamproites and other potassium-rich igneous rocks: a review of their occurrence, mineralogy and geochemistry. Geological Society, London, Special Publications, 30(1), 103-190.
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Reference: Bergman, S. C. (1987). Lamproites and other potassium-rich igneous rocks: a review of their occurrence, mineralogy and geochemistry. Geological Society, London, Special Publications, 30(1), 103-190.
Rutile
Formula: TiO2
Reference: Bergman, S. C. (1987). Lamproites and other potassium-rich igneous rocks: a review of their occurrence, mineralogy and geochemistry. Geological Society, London, Special Publications, 30(1), 103-190.
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Reference: Bergman, S. C. (1987). Lamproites and other potassium-rich igneous rocks: a review of their occurrence, mineralogy and geochemistry. Geological Society, London, Special Publications, 30(1), 103-190.
Talc
Formula: Mg3Si4O10(OH)2
Reference: Bergman, S. C. (1987). Lamproites and other potassium-rich igneous rocks: a review of their occurrence, mineralogy and geochemistry. Geological Society, London, Special Publications, 30(1), 103-190.
Tetraferriphlogopite
Formula: KMg3(Fe3+Si3O10)(OH,F)2
Reference: Bergman, S. C. (1987). Lamproites and other potassium-rich igneous rocks: a review of their occurrence, mineralogy and geochemistry. Geological Society, London, Special Publications, 30(1), 103-190.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Ilmenite4.CB.05Fe2+TiO3
Perovskite4.CC.30CaTiO3
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Dolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Talc9.EC.05Mg3Si4O10(OH)2
Tetraferriphlogopite9.EC.20KMg3(Fe3+Si3O10)(OH,F)2
Unclassified Minerals, Rocks, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Perovskite4.3.3.1CaTiO3
AX2
Rutile4.4.1.1TiO2
Group 14 - ANHYDROUS NORMAL CARBONATES
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Talc71.2.1.3Mg3Si4O10(OH)2
Unclassified Minerals, Mixtures, etc.
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Chlorite Group'-
'Fayalite-Forsterite Series'-
'Serpentine Subgroup'-D3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Tetraferriphlogopite-KMg3(Fe3+Si3O10)(OH,F)2

List of minerals for each chemical element

HHydrogen
H TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
H TalcMg3Si4O10(OH)2
H ApatiteCa5(PO4)3(Cl/F/OH)
H Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
H PhlogopiteKMg3(AlSi3O10)(OH)2
CCarbon
C DolomiteCaMg(CO3)2
OOxygen
O TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
O TalcMg3Si4O10(OH)2
O RutileTiO2
O ApatiteCa5(PO4)3(Cl/F/OH)
O PerovskiteCaTiO3
O IlmeniteFe2+TiO3
O Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
O DolomiteCaMg(CO3)2
O PhlogopiteKMg3(AlSi3O10)(OH)2
FFluorine
F TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
F ApatiteCa5(PO4)3(Cl/F/OH)
MgMagnesium
Mg TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
Mg TalcMg3Si4O10(OH)2
Mg Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Mg DolomiteCaMg(CO3)2
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
AlAluminium
Al Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Al PhlogopiteKMg3(AlSi3O10)(OH)2
SiSilicon
Si TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
Si TalcMg3Si4O10(OH)2
Si Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
Si PhlogopiteKMg3(AlSi3O10)(OH)2
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
ClChlorine
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca ApatiteCa5(PO4)3(Cl/F/OH)
Ca PerovskiteCaTiO3
Ca DolomiteCaMg(CO3)2
TiTitanium
Ti RutileTiO2
Ti PerovskiteCaTiO3
Ti IlmeniteFe2+TiO3
MnManganese
Mn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
FeIron
Fe TetraferriphlogopiteKMg3(Fe3+Si3O10)(OH,F)2
Fe IlmeniteFe2+TiO3
Fe Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D = Mg, Fe, Ni, Mn, Al, Zn

Geochronology

Mineralization age: Proterozoic : 2500 Ma to 541 ± 1.0 Ma

Important note: This table is based only on rock and mineral ages recorded below and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.

Geologic TimeRocks, Minerals and Events
Precambrian
 Proterozoic
ⓘ PhylliteProterozoic
(541 - 2500 Ma)
ⓘ ShaleProterozoic
(541 - 2500 Ma)
ⓘ SlateProterozoic
(541 - 2500 Ma)
  
   
  Mesoproterozoic
   Ectasian
ⓘ Lamproite (youngest age)1225 Ma
ⓘ Lamproite (oldest age)1350 ± 52 Ma
   Calymmian
ⓘ Phlogopite1417.8 ± 8.2 Ma
    

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Woolley A.R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe, p.107
Appavadhanulu, K. (1966). Minette and riebeckite-kalisyenite dykes in some upper Cuddapah rocks, Kurnool District, Andhra Pradesh. Records of the Geological Survey of India, 94(2), 303-304.
Krishnamurthy, P. (1988). Carbonatites of India. Exploration and Research for Atomic Minerals, 1, 111-171.
Bergman, S. C., & Baker, N. R. (1984). A new look at the Proterozoic dikes from Chelima, Andhra Pradesh, India: diamondiferous lamproites?. In Geol. Soc. Am. Abstr. Progm. (Vol. 16, No. 6, p. 444).


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