Mesoproterozoic kimberlites in south India: a possible link to∼ 1.1 Ga global magmatism
Precambrian kimberlites are relatively rare in the geological record and yet those that do
exist tend to form in relatively narrow windows of geologic time. We report new age …
exist tend to form in relatively narrow windows of geologic time. We report new age …
Mineralogy of the TK1 and TK4 'kimberlites' in the Timmasamudram cluster, Wajrakarur Kimberlite Field, India: Implications for lamproite magmatism in a field of …
A mineralogical study of the hypabyssal facies, late Cretaceous macrocrystic pulse of TK1
intrusion and the Mesoproterozoic aphanitic pulse of TK4 intrusion in the Wajrakarur …
intrusion and the Mesoproterozoic aphanitic pulse of TK4 intrusion in the Wajrakarur …
[PDF][PDF] Chelima Dykes, Cuddapah Basin, Southern India: a review of the age, petrology, geochemistry and petrogenesis of world's oldest lamproties
NVC Rao - JOURNAL-GEOLOGICAL SOCIETY OF INDIA, 2007 - researchgate.net
Chelima dykes represent an important phase of igneous activity in the Palaeo-to Meso-
Proterozoic Cuddapah Basin of southern India. These dykes are also widely regarded as a …
Proterozoic Cuddapah Basin of southern India. These dykes are also widely regarded as a …
Petrogenesis of Mediterranean lamproites and associated rocks: The role of overprinted metasomatic events in the post-collisional lithospheric upper mantle
High-MgO lamproite and lamproite-like (ie lamprophyric) ultrapotassic rocks are recurrent in
the Mediterranean and surrounding regions. They are associated in space and time with …
the Mediterranean and surrounding regions. They are associated in space and time with …
[HTML][HTML] Precambrian alkaline potassic-ultrapotassic, mafic-ultramafic magmatism in peninsular India
NVC Rao - Journal of Geological Society of India, 2008 - geosocindia.com
Abstract Potassic-ultrapotassic, mafic-ultramafic (PUMU) alkaline magmas, typified by the
abundance of potassium over sodium, constitute an extremely important alkaline rock group …
abundance of potassium over sodium, constitute an extremely important alkaline rock group …
Petrology and geochemistry of the Mesoproterozoic Vattikod lamproites, Eastern Dharwar Craton, southern India: evidence for multiple enrichment of sub-continental …
Numerous lamproite dykes are hosted by the Eastern Dharwar Craton, southern India,
particularly towards the northwestern margin of the Cuddapah Basin. We present here a …
particularly towards the northwestern margin of the Cuddapah Basin. We present here a …
Petrogenesis of the Mesoproterozoic lamproites from the Krishna valley, eastern Dharwar craton, southern India
Petrology and geochemistry of eleven Mesoproterozoic lamproites from the Krishna valley,
Eastern Dharwar craton, are presented. The Krishna lamproites show wide variation in their …
Eastern Dharwar craton, are presented. The Krishna lamproites show wide variation in their …
Mantle-derived mafic-ultramafic xenoliths and the nature of Indian sub-continental lithosphere
NR Karmalkar, RA Duraiswami… - Journal of the …, 2009 - Springer
Mantle derived xenoliths in India are known to occur in the Proterozoic ultrapotassic rocks
like kimberlites from Dharwar and Bastar craton and Mesozoic alkali igneous rocks like …
like kimberlites from Dharwar and Bastar craton and Mesozoic alkali igneous rocks like …
Re–Os isotope study of Indian kimberlites and lamproites: implications for mantle source regions and cratonic evolution
We report the first Re–Os isotope data for samples from Mesoproterozoic kimberlite and
lamproite occurrences from the Eastern Dharwar craton and end-Cretaceous Kodomali …
lamproite occurrences from the Eastern Dharwar craton and end-Cretaceous Kodomali …
New Ar–Ar ages of southern Indian kimberlites and a lamproite and their geochemical evolution
The kimberlites and lamproites of southern India are thought to have formed in the most
prolific known period of Precambrian ultramafic/ultrapotassic magmatism at around 1100Ma …
prolific known period of Precambrian ultramafic/ultrapotassic magmatism at around 1100Ma …