1887

Abstract

The near hemispheric dichotomy of Mars is attributed to a giant impact called Borealis impact[Andrews-Hanna et al., 2008]. In this work, we investigate the effect of Borealis impact ,happened 4.5 Gyr ago, on the thermal evolution of the Martian planet. We show that the impact increases the rate of crustal production for a period of about 50 m.y. after the impact, reduce score mantle boundary heat flux significantly for a period of less than 5 m.y. after the impact but does not change significantly the total volume of melt production of the Mars. We discuss implications of our results on the postulated equivocal theories on the demise of Martian dynamo and conclude that none of them is capable to explain the demise of the Mars magnetic filed happened about 4 Gyr ago

Loading

Article metrics loading...

/content/papers/10.3997/2214-4609.20131686
2013-10-07
2021-10-16
Loading full text...

Full text loading...

http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20131686
Loading
This is a required field
Please enter a valid email address
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error