Hydrothermal Ammoniation of Chondrites: Implications for Ceres
Izawa M. R. M., Koutoula E., Stancu M.-N., Yamashita S., Okuchi T. et al.
52nd Lunar and Planetary Science Conference (2021), Abstract #2247
“Hydrothermal reactions between carbonaceous chondrites and ammonia-water solutions do not produce ammoniated clays such as those proposed for the Cerean surface — not even saponite-rich Tagish Lake. R chondrites, however, do produce such clays.”