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Amdel reports on the physical and mineralogical properties of white clay samples taken from a core cut in Kalabity drillhole K59.
Clay sample CE3989 has a brightness that is well below the requirements for a paper coating clay (85% or greater). Bleaching of the - 2 micron clay fraction increased the brightness to filler grade requirements (75-85%). Clay sample CE4008 has a...-
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Published: 20 Apr 1972