Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...
Hundreds of stone artifacts discovered on a Danish island may have been offered to the gods to ward off a climate crisis.
The basalt which makes up the Giant’s causeway is an igneous rock. Sedimentary rocks are formed by small rock pieces which are transported by rivers and laid down in layers. Chalk is a ...
Rocks also differ based on how they were formed. Igneous rocks form out of cooling lava or magma. Sedimentary rocks develop from eroded grains of other rocks and organic matter. Metamorphic rocks ...
They accidentally discovered a band of sedimentary rock that contained unusually high levels of a rare element, iridium. Chemical dating techniques put the rock at around 65 million years old.
I am a chemical sedimentologist: I study how and why chemical sediments form and lithify, with the goal of better understanding how chemical sedimentary rocks (e.g., carbonates, chert, iron formations ...
THE GEOLOGY OF the Olympic Peninsula offers a fascinating glimpse into the massive forces of nature that shaped this land into one of the most complicated rock piles in the world.
Indeed, lush native grassland rolls right up to the colorful peaks, which have been carved from sedimentary rock well over a billion years old. Picture-Perfect: With its outstanding scenery ...