1 / 4

The Importance of When

The Importance of When. Two important age studies of Martian meteorites:. Baddeleyites in shergottite NWA 5298.

Télécharger la présentation

The Importance of When

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. The Importance of When Two important age studies of Martian meteorites: Baddeleyites in shergottite NWA 5298 Evolved, alkalicclasts in Black Beauty sample NWA 7533 indicate an early age for crust formation on Mars. Ages of baddeleyite crystals in NWA 5298 indicate that shergottites are young. Clasts in Black Beauty impact melt breccia

  2. Ancient Clasts in Black Beauty

  3. Shergottite Age Conundrum (From Borg et al., 2003, GCA, v. 67(18), p. 3519-3536.) Pb isotopic data indicate old ages for Martian meteorites, including shergottites. But internal isochrons suggest young ages for shergottites.

  4. Baddeleyite Data Suggest Shergottites Are Young

More Related