Neoarchaean crustal evolution along the eastern flank of Nallamalai Shear Zone, southern India

2021 ◽  
pp. 1-21
Author(s):  
P. V. Thanooja ◽  
M. Santosh ◽  
Shan-Shan Li ◽  
V. Nandakumar ◽  
C. Ishwar-Kumar
Keyword(s):  
Shear Zone ◽  
Southern India ◽  
Crustal Evolution ◽  
Eastern Flank

Archean tectonics and crustal evolution of the Biligiri Rangan Block, southern India

2016 ◽  
Vol 275 ◽  
pp. 406-428 ◽  
Author(s):  
R.T. Ratheesh-Kumar ◽  
M. Santosh ◽  
Qiong-Yan Yang ◽  
C. Ishwar-Kumar ◽  
Neng-Song Chen ◽  
...  
Keyword(s):  
Southern India ◽  
Crustal Evolution

First Report of Sapphirine-bearing Rocks from the Palghat-Cauvery Shear Zone System, Southern India

2004 ◽  
Vol 7 (2) ◽  
pp. 620-626 ◽  
Author(s):  
M. Santosh ◽  
Toshiaki Tsunogae ◽  
Saori Koshimoto
Keyword(s):  
Shear Zone ◽  
Southern India ◽  
First Report

Structure and tectonics of the Achankovil Shear Zone, southern India

2006 ◽  
Vol 10 (1-2) ◽  
pp. 86-98 ◽  
Author(s):  
K. Guru Rajesh ◽  
T.R.K. Chetty
Keyword(s):  
Shear Zone ◽  
Southern India

First report of Pan-African Sm—Nd and Rb—Sr mineral isochron ages from regional charnockites of southern India

1995 ◽  
Vol 132 (3) ◽  
pp. 253-260 ◽  
Author(s):  
C. Unnikrishnan-Warrier ◽  
M. Santosh ◽  
M. Yoshida
Keyword(s):  
Sri Lanka ◽  
Shear Zone ◽  
East Antarctica ◽  
Southern India ◽  
Peninsular India ◽  
Pan African ◽  
Mineral Isochron ◽  
Nd Model Age ◽  
Tectonothermal Event ◽  
Good Agreement

AbstractMineral and whole-rock isotope data for a massive charnockite from Kottaram in the Nagercoil Block at the southern tip of Peninsular India yield Sm—Nd and Rb—Sr ages of 517 ± 26 Ma and 484 ± 15 Ma respectively. The Nd model age calculated for the charnockite is c. 2100 Ma. Our study reports the first Pan-African mineral isochron ages from regional charnockites of Peninsular India, which are in good agreement with the recently obtained ages of incipient charnockites in the adjacent blocks, as well as alkaline plutons within the same block. Our results indicate that the Pan-African tectonothermal event in the granulite blocks south of the Palghat—Cauvery shear zone was regional, with terrain-wide rejuvenation. These results correlate with similar Pan-African tectono-thermal events reported from Sri Lanka and East Antarctica, and have an important bearing on Gondwana reconstructions.

Crustal evolution in the western margin of the Nilgiri Block, southern India: Insights from zircon U–Pb and Lu–Hf data on Neoarchean magmatic suite

2015 ◽  
Vol 113 ◽  
pp. 766-777 ◽  
Author(s):  
Qiong-Yan Yang ◽  
M. Santosh ◽  
A.P. Pradeepkumar ◽  
E. Shaji ◽  
R.S. Prasanth ◽  
...  
Keyword(s):  
Southern India ◽  
Crustal Evolution ◽  
Western Margin ◽  
Magmatic Suite
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