"Asteroid impacts significantly altered ancient Earth" Topic
3 Posts
All members in good standing are free to post here. Opinions expressed here are solely those of the posters, and have not been cleared with nor are they endorsed by The Miniatures Page.
Remember that you can Stifle members so that you don't have to read their posts.
For more information, see the TMP FAQ.
Back to the Prehistoric Message Board
Areas of InterestAncients
Featured Hobby News Article
Featured Recent Link
Featured Ruleset
Featured Showcase Article The fascinating history of one of the hobby's major manufacturers.
Featured Profile Article The gates of Old Jerusalem offer a wide variety of scenario possibilities.
Current Poll
|
Please sign in to your membership account, or, if you are not yet a member, please sign up for your free membership account.
| Tango01 | 01 Aug 2014 9:55 p.m. PST |
"New research shows that more than four billion years ago, the surface of Earth was heavily reprocessed -- or mixed, buried and melted -- as a result of giant asteroid impacts. A new terrestrial bombardment model based on existing lunar and terrestrial data sheds light on the role asteroid bombardments played in the geological evolution of the uppermost layers of the Hadean Earth (approximately 4 to 4.5 billion years ago). An international team of researchers published their findings in the July 31, 2014 issue of Nature. "When we look at the present day, we have a very high fidelity timeline over the last about 500 million years of what's happened on Earth, and we have a pretty good understanding that plate tectonics and volcanism and all these kinds of processes have happened more or less the same way over the last couple of billion years," says Lindy Elkins-Tanton, director of the School of Earth and Space Exploration at Arizona State University…"
Full article here
link Amicalement
Armand |
| tberry7403 | 02 Aug 2014 6:00 a.m. PST |
I hope nobody paid for those findings. I was taught that in high school science classes in the early 70s. "A blinding glimpse into the glaringly obvious." |
| goragrad | 02 Aug 2014 7:42 p.m. PST |
This is why we need to look at developing some sort of capability to deflect any future strikes. |
|
