Home HYDROGEN ABUNDANCES AND ISOTOPE COMPOSITIONS OF CHONDRULES IN CARBONACEOUS AND ORDIANARY CHONDRITES. HYDROGEN ABUNDANCES AND ISOTOPE COMPOSITIONS OF CHONDRULES IN CARBONACEOUS AND ORDIANARY CHONDRITES. Shimizu, K.; Alexander, C. M. O'D.; Hauri, E. H.; Sarafian, A. R.; Nittler, L. R.; Wang, J.; Jacobsen, S. D.; Mendybaev, R. A. 2019 METEORITICS & PLANETARY SCIENCE