Anamudi is located within a larger tectonic province, a
Neoproterozoic mobile belt known as the Southern Granulite Terrane (SGT) or Pandyan Mobile Belt. This geologic province represents an area of
Archean rocks that were deeply buried during the neoproterozoic
Pan-African Orogeny, as part of the
Mozambique Belt, in which developed
Himalayan-scale mountains when West and East
Gondwana collided due to the closure of the ancient Mozambique Ocean. Specifically, Anamudi is located within a geological sub-province of the SGT known as the Madurai Province. The mountain
massif itself is composed of neoproterozoic
A-type granite known as Munnar Granite, which was
intruded deep into the thickened crust of the SGT during
Orogenic collapse of the Pan-African highlands. After approximately 800-500 million years of burial, the Munnar Granite of the Anamundi
massif is now exposed high above sea level due to a combination of
faulting and
unroofing. == Climate ==