Helium isotopic ratios in carbonaceous chondrites: Significant for the early solar nebula and circumstellar diamonds?

Busemann, H.; Baur, H. and Wieler, R. (2001). Helium isotopic ratios in carbonaceous chondrites: Significant for the early solar nebula and circumstellar diamonds? In: 32nd Lunar and Planetary Science Conference, 12-16 Mar 2001, Houston, Texas, USA.

URL: http://www.lpi.usra.edu/meetings/lpsc2001/pdf/1598...

Abstract

Stepwise etching of acid-resistant residues from carbonaceous chondrites yields a new, extraordinarily low He isotopic ratio for phase Q that might represent early solar nebula composition. A much lower ratio possibly characterizes He-P3 from circumstellar diamonds.

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About

• Item ORO ID
• 8341
• Item Type
• Conference or Workshop Item
• Extra Information
• Abstract #1598
• Keywords
• carbonaceous chondrites;
• Academic Unit or School
• Faculty of Science, Technology, Engineering and Mathematics (STEM) > Physical Sciences
  Faculty of Science, Technology, Engineering and Mathematics (STEM)
• Depositing User
• Kyra Proctor