Table 1.
M% and magnetic susceptibility (χLF) in (× 10−8 m3/kg) for all iron sand subsamples from Lampanah (Site 1) and Anoi Itam (Site 2).
| Sampling Point | Bulk |
VCS |
CS |
MS |
FS |
VFS |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M% | χLF | M% | χLF | M% | χLF | M% | χLF | M% | χLF | M% | χLF | ||
| Site 1 | L-1 | 100% | 4170.3 ± 1.9 | 1% < | 851.4 ± 5.6 | 1% | 1603.2 ± 1.3 | 38% | 3753.9 ± 2.3 | 55% | 3507.4 ± 3.2 | 3% | 5453.0 ± 2.7 |
| L-2 | 100% | 2904.0 ± 1.2 | 1% < | 365.0 ± 8.1 | 2% | 1297.6 ± 0.9 | 62% | 1818.1 ± 2.0 | 32% | 1286.5 ± 1.5 | 1% | 6237.5 ± 3.9 | |
| L-3 | 100% | 729.1 ± 1.0 | 3% | 861.9 ± 1.0 | 23% | 710.9 ± 1.0 | 30% | 740.8 ± 0.8 | 34% | 684.8 ± 0.9 | 2% | 3112.6 ± 2.2 | |
| L-4 | 100% | 677.1 ± 0.8 | 4% | 860.7 ± 1.5 | 17% | 785.0 ± 1.2 | 46% | 736.6 ± 1.2 | 10% | 886.1 ± 0.9 | 1% | 4065.7 ± 1.1 | |
| L-5 | 100% | 2781.2 ± 2.3 | 1% < | 719.6 ± 7.5 | 3% | 930.9 ± 0.9 | 37% | 3114.9 ± 1.9 | 52% | 3536.6 ± 2.8 | 3% | 2911.7 ± 3.3 | |
| L-6 | 100% | 3136.2 ± 2.6 | 1% < | 699.6 ± 4.3 | 1% | 1664.4 ± 1.0 | 40% | 3221.8 ± 3.8 | 55% | 3070.9 ± 3.9 | 2% | 3472.1 ± 4.3 | |
| L-7 | 100% | 4090.3 ± 2.3 | 1% < | 894.7 ± 4.5 | 1% < | 2116.4 ± 1.0 | 34% | 3868.7 ± 1.7 | 62% | 4894.0 ± 2.1 | 3% | 3111.4 ± 3.4 | |
| L-8 | 100% | 3189.0 ± 2.2 | 1% < | 655.6 ± 5.1 | 1% < | 1837.7 ± 1.9 | 29% | 4627.0 ± 3.6 | 64% | 3343.4 ± 3.6 | 5% | 3639.5 ± 3.2 | |
| L-9 | 100% | 2037.8 ± 3.5 | 2% | 930.1 ± 0.8 | 9% | 874.0 ± 0.9 | 34% | 1362.8 ± 1.1 | 52% | 1569.7 ± 2.5 | 3% | 3401.4 ± 1.3 | |
| Average | 100% | 2999.4 ± 2.0 | 1% | 719.2 ± 4.3 | 6.2% | 1313.3 ± 1.1 | 39% | 2582.8 ± 2.0 | 46% | 2531.0 ± 2.4 | 2% | 3933.9 ± 2.8 | |
| Site 2 | S-1 | 100% | 1628.3 ± 3.6 | 1% < | 1260.6 ± 2.1 | 1% < | 1883.7 ± 1.0 | 18% | 4921.0 ± 1.8 | 68% | 2752.1 ± 3.4 | 13% | 4494.0 ± 1.6 |
| S-2 | 100% | 3790.6 ± 2.1 | 1% < | 587.6 ± 6.2 | 1% | 1777.9 ± 1.6 | 32% | 2907.1 ± 2.8 | 65% | 2973.7 ± 6.1 | 2% | 5028.0 ± 5.8 | |
| S-3 | 100% | 2928.2 ± 2.4 | 1% < | 2319.9 ± 7.4 | 1% < | 2127.0 ± 5.5 | 9% | 4624.9 ± 3.1 | 71% | 3171.3 ± 4.5 | 18% | 3236.0 ± 3.9 | |
| S-4 | 100% | 5068.5 ± 3.2 | 1% < | 3522.5 ± 3.1 | 1% | 1398.7 ± 1.0 | 26% | 5142.1 ± 5.2 | 64% | 2940.5 ± 4.1 | 7% | 4638.0 ± 6.0 | |
| S-5 | 100% | 3248.6 ± 4.1 | 1% < | 1614.2 ± 4.1 | 1% < | 1061.0 ± 5.2 | 10% | 1973.8 ± 5.3 | 72% | 3642.1 ± 2.8 | 16% | 3552.0 ± 4.4 | |
| S-6 | 100% | 2346.8 ± 3.8 | 1% < | 780.3 ± 4.0 | 1% | 2474.9 ± 2.1 | 52% | 3183.1 ± 4.4 | 42% | 3941.6 ± 5.5 | 2% | 887.7 ± 4.1 | |
| S-7 | 100% | 2114.2 ± 4.1 | 1% | 844.9 ± 0.8 | 10% | 1694.6 ± 0.3 | 36% | 4267.0 ± 3.3 | 51% | 3415.8 ± 6.6 | 1% | 1102.5 ± 7.6 | |
| S-8 | 100% | 2934.2 ± 4.9 | 1% < | 556.2 ± 5.0 | 1% | 1962.8 ± 1.8 | 21% | 2961.1 ± 2.7 | 73% | 3075.9 ± 2.7 | 5% | 3161.1 ± 7.3 | |
| S-9 | 100% | 2943.3 ± 4.8 | 1% < | 2485.2 ± 4.3 | 1% < | 2503.1 ± 6.7 | 15% | 4267.3 ± 2.5 | 77% | 2490.4 ± 2.4 | 6% | 2367.2 ± 5.7 | |
| S-10 | 100% | 2004.4 ± 4.3 | 1% < | NA- | 1% < | 3486.3 ± 2.8 | 26% | 1470.6 ± 2.7 | 64% | 1933.5 ± 3.9 | 7% | 2404.2 ± 4.2 | |
| Average | 100% | 2834.2 ± 3.7 | 0.1% | 966.9 ± 3.7 | 2% | 1897.3 ± 2.8 | 25% | 3571.8 ± 3.4 | 65% | 3033.7 ± 4.2 | 8% | 3087.1 ± 5.1 | |
VCS, very coarse sand; CS, coarse sand; MS, medium sand; FS, fine sand; VFS, very fine sand.