The Dragon's Tales
Ramblings of a Curiosity Seeker
Showing posts with label
Dapingian
.
Show all posts
Showing posts with label
Dapingian
.
Show all posts
Wednesday, January 06, 2016
The Double Impact From Dapingian/Floian Ordovician Sweden
›
Around 470 million years ago, what is now central Sweden was covered in a shallow, ancient sea inhabited by tiny, plankton-like organis...
Tuesday, March 05, 2013
6 km Diameter Ordovician Iowa Impact Crater Confirmed
›
Recent airborne geophysical surveys near Decorah, Iowa are providing an unprecedented look at a 470- million-year-old meteorite crater...
›
Home
View web version
