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Proterozoic Rock System map


Proterozoic Rock System on India Map

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Map of Proterozoic rock system
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*Map showing highlights the Proterozoic rock system on India Map.

Disclaimer: All efforts have been made to make this image accurate. However Mapping Digiworld Pvt Ltd and its directors do not own any responsibility for the correctness or authencity of the same.

The geology of India is very deep because an Indian rock belongs to numerous geological eras, dating as far back as the Eoarchean Era. Many of the stones are extremely shapeless and altered. Other deposits include newly deposited alluvium that has yet to undergo diagenesis. In huge percentages, the mineral deposits of tremendous species are found in the Indian subcontinent. Even India's fossil record is incredible in that invertebrates, stromatolites, vertebrates, and plant fossils are included.

India's geographical land area can be categorized into:

  • Archaean System
  • Dharwar System
  • Cuddapah System
  • Vindhyan System
  • Gondwana System
  • Deccan Trap
  • Tertiary System
  • Quaternary System.

The era of Proterozoic geological formations of India ranges from 2500 to 570 million years. The Proterozoic formations in India have also been termed the Group of formations. These are segregated from the older Archaean formations by a different unconformity called Eparchaean unconformity.

They are subdivided into:

  • Old Granites
  • Cuddapah system
  • Vindhyan System
  • Younger Granites
  • Malani Volcanics.

The Aravalli Range is the sediment of an early Proterozoic orogen named the Aravalli orogen. It extends almost 500 kilometres from the northern end as isolated cliffs and rocky hills into the Haryana region and ends up near Delhi.

Small igneous intrusions, deformation (folding and faulting), and successive metamorphism of the Aravalli Mountains exemplify the main level of orogenesis.

The deterioration of the cliffs and further deformation of the sediments of the Dharwar group commemorates the second phase.

The volcanic eruptions and intrusions related to this following phase are documented in the configuration of these sediments.

These are igneous and sedimentary collections, including a lot of building stones, iron, limestone, and Uranium-bearing rocks. The Proterozoic rocks are perceived in the Cuddapah region of Andhra Pradesh.

Ancienter Granites are found in parts of Karnataka, northern parts of Andhra Pradesh, Southern parts of Odisha, and northern parts of Madhya Pradesh.

After an extended period, the Cuddapah system of rocks, including quartzite, slates, and limestones, was ordained on the old denuded soil of the Deccan Peninsula. No fossils are found in the Cuddapah formation.

The Cuddapah formation is also seen in the Kurnool district of Andhra Pradesh, southern parts of Chhattisgarh, Singhbhum district of Jharkhand, Kalahandi and keonjhar district of Orissa and in Aravalli ranges expanding from Delhi to Idar in Gujarat.

The economic mineral reserves of the Cuddapah system contain iron, manganese, copper, cobalt, nickel, barytes, asbestos, steatite, and other minerals.



Last Updated on: August 24, 2022