Center for Meteorite Studies

Mezö-Madaras is an L3.7 ordinary chondrite that fell in Harghita, Romania on September 4th, 1852. Over 22 kg (50 lbs) of this meteorite fell in a shower of stones.

Mezö-Madaras is a very interesting meteorite because it is unequilibrated, meaning that its asteroid parent-body underwent very little change after forming 4.56 billion years ago. This is indicated by its petrologic type (3.7); type 3.0 represents the most pristine meteorites, while types 3.1 to 7 indicate increasing thermal metamorphism and equilibration. Meteorites that experienced extensive aqueous alteration on their asteroid parent bodies have petrologic types of 1 (mostly altered) or 2.

mezo-madaras-big

 

 

Photo © ASU/CMS

 

 

 

 

 

 

 

 


Category: Meteorites

Comments are closed.

Facebook
Twitter
YouTube

Sign Up for Center Updates!

Be the first to learn about CMS events and news; sign up for email updates here!


Postdoctoral Scholar Opportunities!

The Center for Meteorite Studies at Arizona State University invites applications for 2 Postdoctoral Research Associates.  Click here for details!




Meteorite of the Month

Moss

July’s Meteorite of the Month is Moss, a CO3.6 carbonaceous chondrite that fell the morning of July 14, 2006, in Østfold, Norway. According to the Meteoritical Bulletin (MB 91): At …


Upcoming Events

July 2017
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
June 25, 2017 June 26, 2017 June 27, 2017 June 28, 2017 June 29, 2017 June 30, 2017 July 1, 2017
July 2, 2017 July 3, 2017 July 4, 2017 July 5, 2017 July 6, 2017 July 7, 2017 July 8, 2017
July 9, 2017 July 10, 2017 July 11, 2017 July 12, 2017 July 13, 2017 July 14, 2017 July 15, 2017
July 16, 2017 July 17, 2017 July 18, 2017 July 19, 2017 July 20, 2017 July 21, 2017 July 22, 2017
July 23, 2017 July 24, 2017 July 25, 2017 July 26, 2017 July 27, 2017 July 28, 2017 July 29, 2017
July 30, 2017 July 31, 2017 August 1, 2017 August 2, 2017 August 3, 2017 August 4, 2017 August 5, 2017