They were spiral-shelled creatures ... regarding their ancient environment and can even help researchers date geological layers. Because some ammonites only lived during specific periods, when ...

Spiral Jetty is one of the world’s most famous ... “As an artist, it is sort of interesting to take on the persona of a geological agent, where man actually becomes part of that process ...

Fossils found in the northern part of Hokkaido are a new type of ammonite, the once-ubiquitous spiral-shelled creatures ... other researchers from the Fukada Geological Institute discovered ...