Age of younger tonalitic magmatism and granulitic metamorphism in the South Indian transition zone (Krishnagiri area); comparison with older Peninsular gneisses from the Gorur–Hassan area

Journal of Metamorphic Geology

Volumn 11, Issue 6, 1993, Pages 879-888

  PEUCAT, J J ^a,c   MAHABALESWAR, B ^b   JAYANANDA, M ^b  

^a Laboratoire de Géochimie Isotopique et Géochronologie ^*  (France)

^b BANGALORE UNIVERSITY   (India)

^c UNIVERSITÉ DE RENNES 1   (France)

Author keywords

2550 2510 Ma; juvenile tonalitic magmas; Nd isotopes; Sr; syn to post accretional granulites; U Pb

Indexed keywords

AGE DETERMINATION; MAGMATISM; METAMORPHISM; TECTONIC EVOLUTION; TONALITE;

INDIA, KARNATAKA;

EID: 0027842467     PISSN: 02634929     EISSN: 15251314     Source Type: Journal    
DOI: 10.1111/j.1525-1314.1993.tb00197.x     Document Type: Article

References (28)

1. Rb–Sr and Pb–Pb isochron ages and REE data for Archaean gneisses and granites, Karnataka state, South India
2. Sm–Nd isotopes and REE geochemistry of Madras granulites, India: an introductory statement
3. Geochemistry of the Archaean low to high grade transition zone, Southern India
4. 2 at Kabbaldurga
5. The link between granite production and the formation of charnockites: evidence from Kabbaldurga, Karnataka
6. Shrimp U–Pb geochronology of the Closepet granite and Peninsular gneiss, Karnataka, South India
7. Pressures, temperatures and metamorphic fluids across an unbroken amphibolite facies to granulite facies transition in Southern Karnataka
8. The transformation of amphibolite facies gneiss to charnockite in Southern Karnataka and Northern Tamil Nadu, India
9. 206Pb age investigations on single zircons using a double‐filament thermal ion source
10. 206Pb age investigations using thermal ion mass spectrometry, and implications to zirconology
11. A low contamination method for decomposition of zircon and extraction of U and Pb for isotopic age determinations
12. U–Pb ages of zircon and sphene for two gneiss terranes adjacent to the Kolar schist belt, South India: evidence for separate crustal evolution histories
13. Plate tectonics 2.5 Billion years ago: evidence at Kolar, South India
14. Calculations of uncertainties of U–Pb isotope data
15. Petrogenesis of Archaean trondhjemites, tonalites and granodiorites from Eastern Finland: major and trace element geochemistry
16. Lead isotopic compositions of the Western Dharwar Craton, southern India: evidence for distinct middle Archean terranes in a late Archean craton
17. Evolution of sialic terranes in the vicinity of the Holenarasipur belt, Hassan district, Karnataka, India
18. U–Pb dating of monazite and its application to geological problems
19. Sr, Nd and Pb systems across the amphibolite to granulite facies transition in Southern India
20. Sr, Nd and Pb isotopic systematics in the Archean low‐to high‐grade transition zone of Southern India: syn‐accretion vs. post‐accretion granulites
21. Transformation of Peninsular gneiss into charnockite in Mysore State, India
22. Regional geothermobarometry in the granulite facies terrane of South India
23. The granulite terrane of the Nilgiri Hills (Southern India): characterization of high‐grade metamorphism
24. Subcommission on Geochronology: convention to use of constraints in geo and cosmochronology
25. 3000‐m.y.‐old Halecote trondhjemite: a record of stabilisation of the Dharwar craton
26. Petrography, chemistry and isotopic ages of Peninsular gneiss, Dharwar acid volcanic rocks and the Chitradurga granite with special reference to the late Archaean evolution of the Karnataka craton, Southern India
27. Least squares of straight line with correlated errors