Formation of the Aravalli Hills ( The Aravalli Hills are among the oldest fold mountain ranges in the world . Their formation dates back to the Precambrian era , roughly 1.5–2.5 billion years ago . 1. Ancient Geological Activity The Aravalli range was formed due to tectonic plate movements in very ancient times. Two crustal blocks— the Bundelkhand craton and the Marwar craton —collided. This collision caused folding, faulting, and uplift of rocks , creating the early Aravalli mountains. 2. The Aravalli Orogeny The mountain-building process is known as the Aravalli Orogeny . During this event: Sediments in an ancient sea were compressed and folded . These sediments transformed into metamorphic rocks like schist, gneiss, and quartzite . 3. Erosion Over Billions of Years After their formation, the Aravalli mountains were continuously eroded by wind, water, and weathering . Because of this long erosio...
All new s and current affairs about aravalli hills 🌄 Aravalli Hills (Aravalli Range) The Aravalli Range is one of the oldest mountain ranges in the world and an important geographical feature of India. It stretches across several states and plays a big role in climate, ecology, and history. 📍 Location Extends about 670–800 km across north-western India. Starts near Delhi and runs through Haryana , Rajasthan , and Gujarat . Ends near Ahmedabad . 🏔️ Important Peaks Guru Shikhar – Highest peak (about 1,722 m ), located near Mount Abu . Ser Peak and Achalgarh Peak are also notable. 🌿 Importance Climate Barrier – Helps block desert winds from the Thar Desert from spreading eastward. Water Sources – Many rivers originate here such as Banas River , Luni River , and Sabarmati River . Biodiversity – Forests and wildlife habit...