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Kotakonda kimberlite, Kotakonda Cluster (KK–1 to KK–7), Narayanpet kimberlite field, Narayanpet District, Telangana, Indiai
| Regional Level Types | |
|---|---|
| Kotakonda kimberlite | Pipe |
| Kotakonda Cluster (KK–1 to KK–7) | Volcanic Field |
| Narayanpet kimberlite field | Volcanic Field |
| Narayanpet District | District |
| Telangana | State |
| India | Country |
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Latitude & Longitude (WGS84):
16° 45' 29'' North , 77° 38' 30'' East
Latitude & Longitude (decimal):
Type:
Age:
1401 ± 4.6 Ma
Geologic Time:
Dating method:
40Ar/39Ar from phlogopite
Reference for age:
Chalapathi Rao, N. V.; Miller, J. A.; Gibson, S. A.; Pyle, D. M.; Madhavan, V. (1999) Precise 40Ar/ 39Ar Age Determinations of the Kotakonda Kimberlite and Chelima Lamproite, India: Implication to the Timing of Mafic Dyke Swarm Emplacement in the Eastern Dharwar Craton. Journal Geological Society of India, 53 (4). 425-432 doi:10.17491/jgsi/1999/530405
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Nārāyanpet | 39,041 (2014) | 15.6km |
| Gopālur | 3,324 (2014) | 24.0km |
| Gurmatkāl | 18,236 (2015) | 29.3km |
| Mahbūbnagar | 136,135 (2018) | 36.7km |
| Tāndūr | 63,239 (2014) | 54.9km |
1.25 km long dike.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
7 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 DiagramDetailed Mineral List:
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Ilmenite Formula: Fe2+TiO3 |
| ⓘ Kirschsteinite Formula: CaFe2+(SiO4) Description: High Calcium content |
| ⓘ Monticellite Formula: CaMg(SiO4) |
| ⓘ Perovskite Formula: CaTiO3 |
| ⓘ Phlogopite Formula: KMg3(AlSi3O10)(OH)2 |
| ⓘ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
| ⓘ Spinel Formula: MgAl2O4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Spinel | 4.BB.05 | MgAl2O4 |
| ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| ⓘ | Perovskite | 4.CC.30 | CaTiO3 |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| Group 9 - Silicates | |||
| ⓘ | Kirschsteinite | 9.AC.05 | CaFe2+(SiO4) |
| ⓘ | Monticellite | 9.AC.10 | CaMg(SiO4) |
| ⓘ | Phlogopite | 9.EC.20 | KMg3(AlSi3O10)(OH)2 |
| Unclassified | |||
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Ilmenite | Fe2+TiO3 |
| O | ⓘ Kirschsteinite | CaFe2+(SiO4) |
| O | ⓘ Monticellite | CaMg(SiO4) |
| O | ⓘ Perovskite | CaTiO3 |
| O | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| O | ⓘ Spinel | MgAl2O4 |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Mg | Magnesium | |
| Mg | ⓘ Monticellite | CaMg(SiO4) |
| Mg | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Mg | ⓘ Spinel | MgAl2O4 |
| Al | Aluminium | |
| Al | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Al | ⓘ Spinel | MgAl2O4 |
| Si | Silicon | |
| Si | ⓘ Kirschsteinite | CaFe2+(SiO4) |
| Si | ⓘ Monticellite | CaMg(SiO4) |
| Si | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| K | Potassium | |
| K | ⓘ Phlogopite | KMg3(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Ca | ⓘ Kirschsteinite | CaFe2+(SiO4) |
| Ca | ⓘ Monticellite | CaMg(SiO4) |
| Ca | ⓘ Perovskite | CaTiO3 |
| Ti | Titanium | |
| Ti | ⓘ Ilmenite | Fe2+TiO3 |
| Ti | ⓘ Perovskite | CaTiO3 |
| Fe | Iron | |
| Fe | ⓘ Ilmenite | Fe2+TiO3 |
| Fe | ⓘ Kirschsteinite | CaFe2+(SiO4) |
Other Regions, Features and Areas containing this locality
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References
Chalapathi Rao, N. V., Reed, S. J. B., Pyle, D. M., Beattie, P. D. (1996) Larnitic kirschsteinite from the Kotakonda kimberlite, Andhra Pradesh, India. Mineralogical Magazine, 60 (400) 513-516 doi:10.1180/minmag.1996.060.400.13
Chalapathi Rao, N. V.; Miller, J. A.; Gibson, S. A.; Pyle, D. M.; Madhavan, V. (1999) Precise 40Ar/ 39Ar Age Determinations of the Kotakonda Kimberlite and Chelima Lamproite, India: Implication to the Timing of Mafic Dyke Swarm Emplacement in the Eastern Dharwar Craton. Journal Geological Society of India, 53 (4). 425-432 doi:10.17491/jgsi/1999/530405
