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Key Points at a Glance
- The Aravalli Range is among Earth's oldest fold mountains; the Banded Gneissic Complex (BGC) basement dates to ~3,500 Ma (Archaean), while the Aravalli Supergroup fold event occurred ~2,500 Ma (Proterozoic). Precambrian quartzites, schists, and gneisses constitute major geo-heritage assets. / — (BGC) ~3,500 Ma, ~2,500 Ma
- India's first UNESCO Geopark submission was Lamheta Ghat (Madhya Pradesh) — still under evaluation (2024); Rajasthan must build institutional infrastructure before its own submission. / - — (2024)
- RPSC 2021 asked a 10-mark question on this topic — the only PYQ appearance — covering UNESCO geopark criteria and Rajasthan's fossil sites; analytical + factual hybrid approach was rewarded. / RPSC 2021 10 — PYQ