Shale weathering TAN. 29.5 TAN MICACEOUS V CONSOLIDATED CLAYEY MICACEOUS (47%) SILTSTONE. SHOWS BEDDING ON WEATHERED SLOPE. GYPSIFEROUS Y SLIGHT CARBONATE CONTENT LIMONITE YELLOW 35. BROWN LIMONITE IMPREG. SILTSTONE AS IN 29-1 36. Vfg, SA., MIC. 37% TAN LIMONITE STAINED SOI CLAYEY & UNCONSOLIDATED SS WITH SOME CARBONATE STAINED BROWN BY LIMONITE BUT OCCASIONALLY DARK GREY. SAME AS UNIT FROM 39. 37.5. BROWN LIMONITE STAINED. As below 29-37. 42- WELL CEMENTED - CARBONATE RICH LEDGE OF L.GREY (UNW.) TAN (WH). FINE GR. SA., CLAYEY MICACEOUS 27% SS LAMINATED.