Oxidation of transition metal ions in sedimentary processes

2 Oxidation of transition metal ions in sedimentary processes Under the relatively oxidizing environments existing near the Earth s surface provided by aerated aqueous solutions in contact with the atmosphere, several 

Mineral (phase) Approximate formula Crystal class Cell parameters (pm) Average metal-oxygen distances (pm) Structure-type (isostructural minerals) Sources of data 

Mn02 spinel (synthetic) X-MnOz cubic a = 803 spinel [4] 

Sources of data [1] Baur (1976) [2] Bystrom (1949) [3] Turner Buseck (1983) [4] Hunter (1981) [5] de Wolff, Visser, Giovanoli Briitsch (1978) [6] Turner Buseck (1979) [7] Post, von Dreele Buseck (1982) [8] Post Bish (1989) [9] Turner Post (1988) [10] Post Bish (1988) [11] Post Appleman (1988) [12] Post Veblen (1990) [13] Stouff Bouldgue (1988) [14] Pauling Kamb (1982) [15] Manceau, Llorca Calas, (1987) [16] Chukhrov, Gorshkov, Vitovskaya, Drits, Sivtsov Rudnitskaya (1980) [17] Chukhrov, Gorshkov, Drits, Shterenberg Sakharov (1983). 

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