Geological Survey of India (GSI) declares geo-heritage sites/ national geological monuments for protection and maintenance. The State-wise details are given in Annexure. GSI or the respective State governments take necessary measures to protect these sites.
State-wise details of the geological heritage sites/ national geological monuments
| S. No | Geological heritage site /National geological monument | S. No | Geological heritage site /National geological monument |
| ANDHRA PRADESH | 18 | Kishangarh Nepheline Syenite, Ajmer Dist. | |
| 1 | Volcanogenic bedded Barytes, Mangampeta, Cuddapah Dist. | 19 | Welded Tuff, Jodhpur Dist. |
| 2 | Eparchaean Unconformity, Chittor Dist. | 20 | Jodhpur Group – Malani Igneous Suite Contact, Jodhpur Dist. |
| 3 | Natural Geological Arch, Tirumala Hills, Chittor Dist. | 21 | Great Boundary Fault at Satur, Bundi Dist. |
| 4 | Erra Matti Dibbalu- the dissected and stabilized coastal red sediment mounds located between Vishakhapatnam and Bhimunipatnam. | MAHARASHTRA | |
| KERALA | 22 | Lonar Lake, Buldana Dist. | |
| 5 | Laterite near Angadipuram PWD rest house premises, Malapuram Dist. | CHATTISGARH | |
| 6 | Varkala Cliff Section, Thiruvanatapuram Dist. | 22 | Lower Permian Marine bed at Manendragarh, Surguja Dist. |
| TAMILNADU | KARNATAKA | ||
| 7 | Fossil wood near Tiruvakkarai, South Arcot Dist. | 24 | Columnar Lava, St Mary Island Udupi Dist. |
| 8 | National fossil wood park, Sattanur, Tiruchirapalli Dist. | 25 | Pillow lavas near Mardihalli, Chitradurga Dist. |
| 9 | Charnockite, St. Thomas Mount, Madras. | 26 | Peninsular Gneiss, Lalbagh, Banglore |
| 10 | Badlands of Karai Formation with Cretaceous fossils along Karai – Kulakkalnattam Section, Perambalur District. | 27 | Pyroclastics & Pillow lavas, Kolar Gold fields, Kolar Dist. |
| GUJARAT | HIMACHAL PRADESH | ||
| 11 | Sedimentary Structures – Eddy Markings, Kadan Dam, Panch Mahals Dist. | 28 | Siwalik Fossil Park, Saketi, Sirmur dt., |
| RAJASTHAN | ODISHA | ||
| 12 | Sendra Granite, Pali Dist. | 29 | Pillow Lava in lron ore belt at Nomira, Keonjhar dist. |
| 13 | Barr Conglomerate, Pali Dist. | JHARKHAND | |
| 14 | Stromatolite Fossil Park, Jharmarkotra Rock Phosphate deposit, Udaipur Dist. | 30 | Plant Fossil bearing Inter-trappean beds of Rajmahal Formation, upper Gondwana sequence around Mandro, Sahibganj dist. |
| 15 | Gossan in Rajpura-Dariba Mineralised belt, Udaipur Dist. | NAGALAND | |
| 16 | Stromatolite Park near Bhojunda, Chittaurgarh Dist. | 31 | Nagahill Ophiolite Site near Pungro, |
| 17 | Akal Fossil Wood Park, Jaisalmer Dist. | SIKKIM | |
| 32 | Stromatolite bearing Dolomite / Limestone of Buxa Formation at Mamley, near Namchi, South district. |
