Friable, very sticky and plastic, violently effervescent and strongly alkaline 
(pH 10.0)  0.4% organic carbon; 58.1% clay; 15.3% silt,; 26.6% sand.  6% 
CaCO3 and a trace of CaSO4.

Clay mineralogy: medium analcime peak, small montmorillonite and mica 
peaks, and weak kaolinite and calcite peaks.

Coarse mineralogy (CNZG1 horizon at 46 cm): 43% quartz, 25% biotite, 
12% potassic feldspar, 9% hornblende, 5% other, 3% opaque, 2% 
plagioclase feldspar, 2% zircon, and traces of glass, chlorite, and muscovite.
