* Astronomy

Members Login
Post Info TOPIC: Acraman crater


L

Posts: 131433
Date:
RE: Acraman crater
Permalink  
 


The evolution of Ediacarans, some of the earliest complex life on Earth, could have been influenced by extreme cold and a giant asteroid impact which caused massive environmental stresses, says a new study.
The Ediacarans are a weird bunch of organisms that included the world's first large-scale complex life. During the time they lived (635-542 million years ago) in southern Australia, the Earth experienced at least one cold snap that may have covered much of the Earth in ice.

Read more

__________________


L

Posts: 131433
Date:
Permalink  
 

Acraman.jpg
Expand (3mb, 2668 x 2668)

This image of the Acraman compex crater in South Australia was taken by  the Terra satellite on the 18th February, 2010.
The true-colour image shows Lake Acraman, Lake Gardiner and Lake Everard. The dotted white lines indicate the possible extent of the Acraman Impact Structure.

__________________


L

Posts: 131433
Date:
Permalink  
 

Acraman crater is a deeply eroded impact crater in the Gawler Ranges of South Australia. Its location is marked by Lake Acraman, a circular ephemeral playa lake about 20 km in diameter.
The impact event is estimated to have occurred about 580 million years ago during the Ediacaran Period.

Read more

Latitude:  32° 1'7.99"S, Longitude: 135°26'26.21"E


__________________
Page 1 of 1  sorted by
Quick Reply

Please log in to post quick replies.



Create your own FREE Forum
Report Abuse
Powered by ActiveBoard