Geological Survey of India (GSI) North Eastern Region (NER) installs two geological display boards at two important geological sites

In Meghalaya, the Geological Survey of India (GSI) North Eastern Region (NER) has recently installed two geological display boards at two important geological sites in the State with geo-scientific information which will help in creating awareness among visiting tourists, students and the general public. The boards are unvieled at two important geological sites in the State namely Mawmluh cave and Therriaghat, Sobhar in East Khasi Hill District. The stalagmite in the Mawmluh cave has been tagged a Global Stratotype Section and Point (GSSP). It makes it first formally ratified marker of a geological time period in India. The Um-Sohryngkew (Wahrew) river section at Therriaghat is known for having the most complete records of Cretaceous-Palaeogene (K-Pg) boundary transition in India. There is also a high level of iridium metal from the boundary which marks catastrophic event when a giant meteorite hit earth. The Meghalayan Age period began about 4200 years ago experienced an abrupt mega-drought and cooling around the world.

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