Age | Formed millions of years ago | Formed relatively recently (geologically) |
Appearance | Low, rounded, and eroded peaks | High, steep, and rugged peaks |
Erosion Impact | Highly eroded due to time and weathering | Less eroded, still rising |
Examples | Aravalli Hills (India), Urals (Russia), Appalachians (USA) | Himalayas (Asia), Alps (Europe), Andes (S. America) |
Location | Found in stable continental interiors | Found at active plate boundaries |
Tectonic Activity | Generally inactive | Tectonically active |