Jul 14, 1998 - to tell where the source area for the CRP-l sediments h:is to be sought. It is most ... Jackson, 1982; Claridge & Campbell, 1984, 1989;. Campbell ...
Lower Miocene and Quaternary Clay Mineral Assemblages from CRP-1
Institut fiir Geologische Wissenschaftcn und Gciseltaliiiiisei~~ii, Doiiisti-assc 5 . D-OA100.4 correspond to Al-rich illites (muscovite). The ratio decreases with Mg and Fe substituting for octahedral Al. Mg- and Fe-rich illites (biotite) therefore have values
