minerals in the Marquette, Gogebic, and Iron River districts of Michigan and are accompaniedby lesser...trioctahedral montmorillonite,palygorskite, and regular interstratifications of chlorite-montmorillonite, as well...kaolinitc, 1M muscovite, chlorite,nontronite,montmorillonite,talc, chamosite,apatite, gibbsitc, and alunite...in the types of kaolin minerals present in the Michigan and Minnesota areas are believed to be indicative...specimens is as follows:62 specimens are from Michigan with 35 from the Marquettedistrict,12 from the |