Table T12. Summary of AF demagnetization results for discrete samples, Hole U1408A.
|
Core, section, interval (cm) |
Depth (mbsf) |
Declination 20 mT or PCA (°) |
Inclination 20 mT or PCA (°) |
PCA MAD (°) |
PCA range (mT) |
NRM 20 mT (A/m) |
Measurement error (%) |
|---|---|---|---|---|---|---|---|
| 342-U1408A- | |||||||
| 2H-3W, 75–77 | 8.06 | 184.7 | –54.0 | 1.58E–02 | 3.1 | ||
| 2H-5W, 55–57 | 10.86 | 119.1 | 61.5 | 2.06E–03 | 3.9 | ||
| 2H-7W, 35–37 | 13.17 | 25.0 | 84.4 | 1.14E–04 | 5.4 | ||
| 3H-3W, 75–77 | 17.56 | 7.2 | 56.2 | 1.63E–04 | 4.8 | ||
| 3H-5W, 75–77 | 20.56 | –29.9 | 45.1 | 1.25E–04 | 3.7 | ||
| 4H-2W, 75–77 | 25.56 | –37.4 | 67.6 | 8.66E–05 | 6.4 | ||
| 4H-3W, 75–77 | 27.06 | –60.4 | 85.2 | 6.17E–03 | 3.3 | ||
| 4H-4W, 75–77 | 28.56 | –24.1 | 83.2 | 1.32E–04 | 6.1 | ||
| 4H-5W, 75–77 | 30.06 | 256.7 | 64.0 | 3.24E–05 | 11.8 | ||
| 4H-6W, 30–32 | 31.12 | 0.9 | 78.6 | 1.02E–03 | 3.5 | ||
| 5H-1W, 75–77 | 33.56 | –16.4 | 58.7 | 3.60E–03 | 3.3 | ||
| 5H-3W, 75–77 | 36.56 | 18.5 | 55.0 | 6.1 | 20–60 | 6.82E–03 | 4.6 |
| 5H-5W, 75–77 | 39.56 | –0.4 | 48.0 | 1.08E–02 | 3.9 | ||
| 6H-1W, 75–77 | 43.06 | 25.7 | 57.0 | 8.73E–03 | 4.0 | ||
| 6H-3W, 75–77 | 46.06 | 5.3 | 54.4 | 8.9 | 20–60 | 7.46E–03 | 3.7 |
| 6H-5W, 75–77 | 49.06 | 139.3 | 34.4 | 1.35E–03 | 3.3 | ||
| 6H-6W, 42–44 | 50.23 | 163.7 | –26.0 | 7.40E–03 | 3.7 | ||
| 6H-7W, 30–32 | 51.11 | 167.3 | –19.6 | 2.99E–03 | 4.0 | ||
| 7H-4W, 75–77 | 57.06 | –25.6 | 47.8 | 10.00E–05 | 6.4 | ||
| 7H-5W, 75–77 | 58.56 | –63.2 | 4.4 | 5.37E–05 | 9.5 | ||
| 7H-6W, 75–77 | 60.06 | 188.5 | –23.0 | 5.76E–05 | 6.9 | ||
| 7H-7W, 35–37 | 61.16 | 176.2 | –2.9 | 2.16E–04 | 7.9 | ||
| 8H-1W, 75–77 | 62.06 | 182.4 | –18.6 | 4.42E–03 | 5.5 | ||
| 8H-3W, 70–72 | 65.01 | 180.9 | –6.5 | 5.7 | 20–60 | 4.08E–03 | 5.5 |
| 8H-5W, 75–77 | 68.06 | 179.0 | –5.9 | 4.26E–03 | 5.7 | ||
| 8H-7W, 30–32 | 70.23 | 164.7 | –24.7 | 9.26E–03 | 5.6 | ||
| 9H-1W, 75–77 | 71.56 | 177.2 | 36.3 | 3.65E–03 | 3.7 | ||
| 9H-2W, 75–77 | 73.06 | 170.4 | 10.5 | 2.9 | 20–60 | 4.30E–03 | 3.2 |
| 9H-3W, 75–77 | 74.56 | 140.8 | 45.1 | 1.65E–03 | 3.5 | ||
| 9H-4W, 75–77 | 76.06 | 155.0 | –8.6 | 2.69E–03 | 3.0 | ||
| 9H-5W, 75–77 | 77.56 | 171.5 | –29.5 | 6.16E–03 | 3.8 | ||
| 9H-6W, 30–32 | 78.42 | 151.7 | –3.2 | 6.17E–03 | 3.3 | ||
| 10H-1W, 75–77 | 81.06 | 143.4 | 17.6 | 4.50E–03 | 5.0 | ||
| 10H-3W, 65–67 | 83.96 | 155.2 | –54.0 | 3.58E–04 | 4.5 | ||
| 10H-5W, 75–77 | 87.06 | 153.3 | –33.7 | 4.4 | 20–60 | 8.78E–03 | 5.7 |
| 10H-7W, 27–29 | 89.58 | 138.7 | 21.8 | 3.34E–03 | 4.9 | ||
| 11H-1W, 82–84 | 90.63 | 105.8 | –52.8 | 9.03E–05 | 3.7 | ||
| 11H-1W, 97–99 | 90.78 | 9.6 | –48.0 | 1.47E–05 | 16.0 | ||
| 11H-2W, 74–76 | 92.05 | –53.6 | –30.1 | 4.09E–05 | 9.6 | ||
| 11H-3W, 74–76 | 93.55 | 177.2 | –30.6 | 6.79E–03 | 6.3 | ||
| 11H-5W, 76–78 | 96.57 | 171.1 | –17.8 | 8.3 | 30–60 | 1.96E–03 | 7.9 |
| 11H-7W, 24–26 | 98.86 | 152.1 | –52.8 | 2.64E–03 | 4.7 | ||
| 12H-1W, 19–21 | 99.50 | 146.1 | 50.0 | 2.17E–03 | 4.4 | ||
| 12H-2W, 74–76 | 100.46 | 154.5 | –39.2 | 6.2 | 30–60 | 2.16E–03 | 5.1 |
| 12H-4W, 74–76 | 103.46 | –19.5 | 43.6 | 4.45E–03 | 3.2 | ||
| 12H-7W, 74–76 | 107.96 | –8.6 | 38.8 | 2.49E–03 | 3.4 | ||
| 13H-2W, 74–76 | 111.05 | –52.0 | 54.6 | 1.61E–04 | 7.0 | ||
| 13H-4W, 74–76 | 114.05 | –10.1 | 41.3 | 4.2 | 10–60 | 1.52E–04 | 6.5 |
| 13H-6W, 74–76 | 117.05 | –32.5 | 47.1 | 1.14E–04 | 7.7 | ||
| 14H-2W, 74–76 | 120.55 | –12.4 | 34.1 | 9.45E–05 | 9.4 | ||
| 14H-4W, 74–76 | 123.55 | 17.2 | 45.9 | 2.0 | 10–30 | 1.23E–04 | 8.6 |
| 14H-6W, 74–76 | 126.55 | 1.6 | 38.1 | 1.07E–04 | 6.8 | ||
| 15H-2W, 74–76 | 130.05 | 2.0 | 42.9 | 1.07E–04 | 9.9 | ||
| 15H-4W, 74–76 | 133.05 | 20.7 | 42.3 | 5.09E–05 | 9.1 | ||
| 15H-6W, 66–68 | 135.97 | 10.1 | 38.9 | 6.95E–05 | 13.8 | ||
| 16H-2W, 74–76 | 138.26 | 5.3 | 57.0 | 6.07E–05 | 13.4 | ||
| 16H-3W, 74–76 | 139.75 | 142.9 | 3.6 | 23.2 | 10–60 | 3.70E–05 | 13.1 |
| 16H-5W, 74–76 | 142.75 | 155.5 | –6.8 | 3.63E–05 | 9.8 | ||
| 17H-1W, 74–76 | 147.55 | 212.2 | –24.0 | 2.83E–05 | 12.9 | ||
| 17H-3W, 76–78 | 150.57 | 235.8 | 6.3 | 1.18E–05 | 29.2 | ||
| 17H-5W, 74–76 | 153.55 | 194.3 | –27.2 | 3.04E–05 | 12.8 | ||
| 18H-3W, 74–76 | 158.88 | 40.3 | –25.9 | 1.31E–05 | 15.6 | ||
| 18H-5W, 70–72 | 161.62 | 162.4 | –31.4 | 4.11E–05 | 10.4 | ||
| 19H-1W, 74–76 | 166.55 | 229.2 | –21.5 | 6.17E–05 | 14.7 | ||
| 19H-3W, 74–76 | 169.55 | 199.2 | –44.7 | 10.0 | 20–60 | 9.81E–05 | 5.1 |
| 19H-5W, 74–76 | 172.55 | 256.4 | –15.5 | 5.02E–05 | 16.6 | ||
| 20H-2W, 68–70 | 177.49 | 159.8 | –33.8 | 1.83E–04 | 4.5 | ||
| 20H-4W, 75–77 | 180.56 | 144.4 | –18.0 | 5.25E–05 | 3.8 | ||
| 21X-2W, 110–112 | 185.51 | –2.0 | –7.2 | 3.69E–05 | 15.4 | ||
| 21X-4W, 51–53 | 187.92 | –37.8 | –33.6 | 19.8 | 10–60 | 7.17E–05 | 4.8 |
| 21X-6W, 78–80 | 191.19 | 114.9 | –30.3 | 1.28E–04 | 6.2 | ||
| 22X-2W, 72–74 | 191.03 | 195.3 | –12.4 | 2.09E–05 | 18.7 | ||
| 22X-4W, 74–76 | 194.05 | 265.2 | –25.7 | 7.41E–05 | 8.2 | ||
| 22X-6W, 88–90 | 197.21 | 128.5 | –38.5 | 5.44E–05 | 4.6 | ||
| 23X-1W, 73–75 | 199.24 | –19.5 | –22.4 | 1.05E–04 | 6.0 | ||
| 23X-3W, 103–105 | 202.54 | –53.1 | –17.6 | 4.83E–05 | 11.7 | ||
| 23X-5W, 37–39 | 204.88 | 198.1 | –27.2 | 1.15E–04 | 4.7 | ||
| 24X-1W, 49–51 | 208.60 | 113.6 | –41.6 | 7.86E–05 | 4.5 | ||
| 24X-2W, 83–85 | 210.44 | –37.5 | –19.3 | 1.24E–04 | 8.7 | ||
| 24X-3W, 48–50 | 211.59 | 34.6 | –25.3 | 6.30E–05 | 2.6 | ||
| 24X-4W, 99–101 | 213.60 | 8.6 | 65.0 | 7.42E–05 | 2.5 | ||
| 24X-5W, 76–78 | 214.87 | 149.4 | 83.3 | 2.69E–05 | 12.4 | ||
| 25X-1W, 85–87 | 218.56 | 124.5 | 48.5 | 7.78E–05 | 8.0 | ||
| 25X-3W, 84–86 | 221.55 | –63.9 | 41.6 | 7.37E–05 | 9.1 | ||
| 25X-4W, 33–35 | 222.54 | –43.8 | 47.3 | 7.72E–05 | 8.1 | ||
| 25X-6W, 38–40 | 225.59 | 167.7 | –0.3 | 1.92E–05 | 19.8 | ||
| 25X-7W, 41–43 | 226.62 | 104.1 | –20.2 | 3.93E–05 | 11.3 | ||
| 26X-1W, 11–13 | 227.42 | –57.9 | 22.0 | 5.07E–05 | 12.2 | ||
| 26X-3W, 70–72 | 230.20 | 29.5 | –19.2 | 1.89E–03 | 2.6 | ||
| 27X-1W, 78–80 | 237.69 | –66.2 | –33.9 | 4.41E–04 | 7.5 | ||
| 27X-3W, 84–86 | 240.75 | –90.0 | –57.5 | 2.61E–04 | 7.3 | ||
| 27X-5W, 75–77 | 243.66 | 127.2 | 31.7 | 1.39E–04 | 6.1 | ||
Declinations for Cores 1H through 20H are in geographic coordinates. PCA = principal component analysis, MAD = maximum angle of deviation, NRM = natural remanent magnetism.
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