M¨ossbauer spectroscopy characterizes “Green rust related minerals” of the foug`erite group within the hydrotalcite supergroup (Mills et al. Mineral. Mag. 76(5), 1289–1336, 2012) in locations on Earth quite different from the original studies done in a temperate climate such as Brittany- France, Western Europe. Two examples are described, the gley at the bottom of Tatkul Lake in South Urals (Russia), which is representative of permafrost conditions, and a gley at the bottom of Yanga Lake, a reservoir in the Murray River catchment (NSW-Australia), which is representative of warm and desert conditions. Complementary information is obtained from XRD patterns.
Génin, J.-M. R., Christi, A., Garcia, Y., Ksenofontov, V., Mills, S., Ruby, C., & Shcherbakova, E. (2018). Mössbauerite; polytypes in Tatkul Lake (Russia) marls and evidence in a Murray River reservoir (Australia). Hyperfine Interactions, 239, 24. https://doi.org/10.1007/s10751-018-1497-z (Original work published 2018)