Tag: magma
Updated on May 3, 2017
Hawaii Rocks!
Gentle jungle noises of birds and bugs faded as I walked into the large, damp cavern. Green-tinted light reflecting off the dark rain forest canopy suddenly turned into the darkness of a cave with black walls, lit only …
Updated on December 17, 2016
Digging Deep Diamonds
“Look, it’s a piece of bone!” I knelt and picked it up, then another, and another of the pale fragments on the ground. It was a pleasant, sunny autumn day, perfect for an afternoon of casual fossil hunting …
Posted on February 6, 2015
Lava Rocks
A dark, shiny object caught my eye as it fell out of its hiding place, a small cavity in a fossil. The smooth, lightweight object was vastly different from the raggedly worn and delicate fossils in the donated …
Posted on October 6, 2013
Grand Canyon: Rock Dating
The Grand Canyon is both a geologist’s dream and a geologist’s nightmare. It’s a geologist’s dream because it’s not just a bunch of sediment rock layers (like sandstone and limestone), but it also has hardened lava flows and …
