Geography
Why Inselbergs Remain as Isolated Hills in Tropical Plains
Quick fact
Some inselbergs, like Uluru in Australia or Mount Roraima in South America, are over 500 million years old and have remained as isolated hills while entire mountain ranges around them eroded away.
Why this is interesting
Imagine driving across a vast, flat tropical plain—then suddenly, a giant rocky island rises from nowhere, its steep slopes towering above the savanna. How did these lone stony sentinels survive while the land around them vanished?