Charnockitic granite
A rock subtype
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About Charnockitic granite
An orthopyroxene-bearing granite, part of the charnockitic suite. Arguably a metamorphic rock rather than truely igneous.
Unique Identifiers
Mindat ID:
48149
Long-form identifier:
mindat:1:1:48149:6
Classification of Charnockitic granite
Granite is in section 3 of the QAPF diagram.
Sub-divisions of Charnockitic granite
- Charnockitic granite
Mineralogy of Charnockitic granite
Essential minerals - these are minerals that are required within the classification of this rock:
| Feldspar > Alkali Feldspar | A subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium. |
| Silica > Quartz | SiO2 |
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
| Hypersthene | (Mg,Fe)SiO3 |
| Pyroxene > Orthopyroxene | A petrological term for Orthopyroxene Subgroup. |
Age distribution
Recorded ages:
Precambrian : ~4600 Ma to 541 ± 1.0 Ma - based on 5 recorded ages.
Sample ages:
| Sample ID | Recorded age | Geologic Time | Dating method |
|---|---|---|---|
| 1 | ~4600 to 541 ± 1.0 Ma | Precambrian | |
| 2 | ~4600 to 541 ± 1.0 Ma | Precambrian | |
| 3 | ~4600 to 541 ± 1.0 Ma | Precambrian | |
| 4 | ~4600 to 541 ± 1.0 Ma | Precambrian | |
| 5 | ~4600 to 541 ± 1.0 Ma | Precambrian |
Sample references:
Synonyms of Charnockitic granite
Other Language Names for Charnockitic granite
German:Charnockit
Common Associates
Associations Based on Photo Data:
| 1 photo of Charnockitic granite associated with Orthopyroxene Subgroup | |
| 1 photo of Charnockitic granite associated with Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| 1 photo of Charnockitic granite associated with Quartz | SiO2 |
| 1 photo of Charnockitic granite associated with Zircon | Zr(SiO4) |
| 1 photo of Charnockitic granite associated with Garnet Group | X3Z2(SiO4)3 |
Internet Links for Charnockitic granite
mindat.org URL:
https://www.mindat.org/min-48149.html
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References for Charnockitic granite
Reference List:
PICHAMUTHU, C. S. (1960) Charnockite in the Making. Nature, 188 (4745). 135-136 doi:10.1038/188135a0
Waard, D. d. (1969) The occurrence of charnockite in the Adirondacks; a note on the origin and definition of charnockite. American Journal of Science, 267 (8) 983-987 doi:10.2475/ajs.267.8.983
SAXENA, S. K. (1977) The Charnockite Geotherm. Science, 198 (4317). 614-617 doi:10.1126/science.198.4317.614
Munasinghe, Tissa, Dissanayake, C.B. (1980) Are charnockites metamorphosed Archean volcanic rocks? — A case study from Sri Lanka. Precambrian Research, 12 (1) 459-470 doi:10.1016/0301-9268(80)90040-6
Friend, C. R. L. (1981) Charnockite and granite formation and influx of CO2 at Kabbaldurga. Nature, 294 (5841). 550-552 doi:10.1038/294550a0
Ravindra Kumar, G. R., Srikantappa, C., Hansen, E. (1985) Charnockite formation at Ponmudi in southern India. Nature, 313 (5999). 207-209 doi:10.1038/313207a0
Perchuk, L. L., Gerya, T. V. (1992) THE FLUID REGIME OF METAMORPHISM AND THE CHARNOCKITE REACTION IN GRANULITES: A REVIEW. International Geology Review, 34 (1) 1-58 doi:10.1080/00206819209465583
Newton, Robert C. (1992) An overview of charnockite. Precambrian Research, 55 (1) 399-405 doi:10.1016/0301-9268(92)90036-n
Choudhary, A. K., Harris, N. B. W., van Calsteren, P., Hawkesworth, C. J. (1992) Pan-African charnockite formation in Kerala, South India. Geological Magazine, 129 (3) 257-264 doi:10.1017/s0016756800019208
HEPWORTH, J. V. (1994) Charnockite, or not. Geology Today, 10 (2) 56 doi:10.1111/j.1365-2451.1994.tb00866.x
RAJESH, H (2001) The Charnockite - A-type Granitoid - Charnockite Cycle in Southwestern India. Gondwana Research, 4 (2). 187-188 doi:10.1016/s1342-937x(05)70689-4
Santosh, M., Yoshikura, S. (2001) Charnockite Magmatism and Charnockitic Metasomatism in East Gondwana and Asia. Gondwana Research, 4 (4) 768-771 doi:10.1016/s1342-937x(05)70555-4
Bhattacharya, Samarendra (2010) Review: the charnockite problem, a twenty first century perspective. Natural Science, 2 (4) 402-408 doi:10.4236/ns.2010.24049
Rajesh, H.M. (2012) A geochemical perspective on charnockite magmatism in Peninsular India. Geoscience Frontiers, 3 (6) 773-788 doi:10.1016/j.gsf.2012.04.003
Localities for Charnockitic granite
Showing 60 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Algeria | |
| Boureghda et al. (2016) |
| apports des donnees radiometriques (K/Ar) +6 other references |
Antarctic Plate | |
| Takahashi et al. (2018) | |
Antarctica | |
| Mallik et al. (2024) |
| Takahashi et al. (2018) | |
| Abdrakhmanov et al. (2024) |
Brazil | |
| Vlach et al. (2018) |
| Nascimento et al. (2017) |
| de Barros Gomes et al. (2017) |
Cameroon | |
| Bonda et al. (2022) |
| Teutsong et al. (2017) |
| Teutsong et al. (2017) | |
Canada | |
| |
| Néron et al. (2018) |
| Steadman et al. (2015) |
Eurasian Plate | |
| Lu et al. (2026) |
France | |
| Olivier et al. (2008) |
India | |
| Madhavan et al. (1988) +6 other references |
| Divya Prakash et al. (2015) |
| Choudhuri et al. (1974) |
| Anantharamu et al. (1995) |
| Srikantappa et al. (1994) | |
| Raghuvanshi et al. (2022) |
| Janardhan et al. (1978) |
| Grew et al. (1984) |
| Woolley (2019) |
| Harley et al. (1995) +1 other reference |
| Panda et al. (1993) +1 other reference |
| Ramanathan et al. (1982) |
| Natarajan et al. (2023) |
| Sreejith et al. (2009) | |
| Srinivasan (1977) +2 other references |
| Nathan et al. (1995) |
| Libeesh et al. (2022) |
| Haritha et al. (2022) |
| Kumar et al. (2001) |
| Balakrishnan et al. (1985) |
| Ramasamy (1996) +1 other reference |
| Sriramguru et al. (2002) |
| Randive et al. (2020) |
Madagascar | |
| Besaire (1966) |
| Besaire (1966) |
| Rakotondrazafy et al. (2008) |
| Giuliani et al. (2007) |
| Montel et al. (2018) |
| Tang et al. (2019) |
Malawi | |
| Bloomfield (Compiler) +6 other references |
Nigeria | |
| Ademila et al. (2017) |
Norway | |
| Larsen (2011) |
| Geological Survey of Norway. The Ore Database. Deposit Area 906 - 013. Klodeborg (Updated 29. nov. 2001) |
Russia | |
| Khodorevskaya (2012) |
| Trunilina et al. (2022) |
South Africa | |
| Clifford et al. (2012) |
| Harmer et al. (2016) |
South America Plate | |
| Dutra et al. (2026) |
South Korea | |
| Jo et al. (2023) |
Sri Lanka | |
| Jayawardena (1976) +4 other references |
Ukraine | |
| Zagnitko et al. (2003) |
Zimbabwe | |
| Kisters et al. (1998) |
Kliprand, Matzikama Local Municipality, West Coast District Municipality, Western Cape, South Africa