Formation/Area | Tanawal | Misri Banda | ||
Quartz (modal %) | TQ1 = 83 - 86 (85) | TQ2 = 79 - 85 (82) | 86 - 90 (88) | |
Feldspar (modal %) | ~1 | Mostly 5 - 8 (7) | ||
Matrix (modal %) | TQ1 = 5 - 9 | TQ2 = 7 - 11 | ≤1 (0.3) | |
Grain Size | Medium | Fine | ||
Sorting | Poor | Moderate | ||
Roundness | Rounded to sub-rounded and sub-angular | Sub-angular to sub-rounded | ||
Sutured Contacts | Rare: only some of the larger quartz grains display sutured contacts | More common than in Tanawal samples | ||
Intra-granular Fractures | More common than in Misri Banda samples | Rare | ||
Strained Quartz | Monocrystalline quartz with undulose extinction occurs insubstantial amounts | Rare: only some of the larger quartz grains show undulose extinction | ||
Polycrystalline Quartz | More abundant than in Misri Banda samples, but very rarely containing more than 2 to 3 sub-grains per grain | Present; but the overall abundance is lower and the number of sub-grains per grain less than Tanawal | ||
Average UCS (MPa) | TQ1 = 122.69 ± 0.52 | TQ2 = 118.89 ± 2.71 | 155.29 ± 0.57 | |
Average UTS (MPa) | TQ1 = 13.21 ± 0.45 | TQ2 = 15.85 ± 0.19 | 24.52 ± 0.12 | |
Average Specific Gravity | TQ1 = 2.583 ± 0.018 | TQ2 = 2.562 ± 0.045 | 2.647 ± 0.001 | |
Water Absorption (%) | TQ1 = 0.403 ± 0.182 | TQ2 = 0.533 ± 0.182 | 0.084 ± 0.012 | |