The Story Behind My Petrified Leaf Tibia
I remember the first time I spotted a petrified leaf tibia while hiking through a dried-up creek bed in the high desert. It was just sitting there, partially buried in the pale silt, looking like a weird mix of ancient biology and stone-cold geology. At first glance, you might think it's just a regular old rock, but once you pick it up and feel that surprising weight, you realize you're holding a piece of history that's millions of years old. It's a strange thing to think about—how something as delicate as a leaf and as sturdy as a leg bone can end up preserved in the same geological "neighborhood." ...