Table T12. Summary of AF demagnetization results for discrete samples, Hole U1407A.
|
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-U1407A- | |||||||
| 1H-3W, 73–75 | 3.74 | 44.6 | 56.6 | 1.36E–02 | 3.3 | ||
| 1H-5W, 34–36 | 6.35 | 211.0 | –47.5 | 8.30E–03 | 3.2 | ||
| 2H-3W, 48–50 | 10.29 | 16.0 | 67.4 | 6.7 | 20–60 | 3.75E–03 | 3.9 |
| 2H-5W, 34–36 | 12.02 | 201.2 | 55.8 | 2.09E–03 | 4.3 | ||
| 3H-2W, 75–77 | 18.56 | 45.6 | 52.3 | 4.80E–03 | 3.8 | ||
| 3H-4W, 75–77 | 21.56 | 6.7 | 63.1 | 4.5 | 20–60 | 4.70E–03 | 4.3 |
| 4H-1W, 87–89 | 26.68 | 156.7 | –40.3 | 2.82E–04 | 6.2 | ||
| 4H-2W, 75–77 | 28.06 | 2.5 | –35.5 | 1.67E–05 | 22.3 | ||
| 4H-3W, 75–77 | 29.56 | –4.5 | –65.1 | 2.02E–05 | 8.9 | ||
| 4H-4W, 81–83 | 31.12 | 29.8 | –64.0 | 1.68E–05 | 11.9 | ||
| 4H-5W, 75–77 | 32.56 | 12.0 | –39.0 | 1.27E–05 | 26.0 | ||
| 4H-6W, 50–52 | 33.81 | 31.2 | –66.5 | 1.70E–05 | 19.5 | ||
| 5H-1W, 105–107 | 36.36 | –31.0 | –57.2 | 1.33E–05 | 20.2 | ||
| 5H-2W, 75–77 | 37.56 | –1.3 | –30.3 | 2.00E–05 | 13.2 | ||
| 5H-3W, 75–77 | 39.06 | 180.4 | –61.7 | 2.07E–05 | 5.2 | ||
| 5H-4W, 75–77 | 40.56 | 172.3 | –74.9 | 2.43E–05 | 15.6 | ||
| 5H-5W, 75–77 | 42.06 | –59.4 | –77.8 | 3.35E–05 | 11.8 | ||
| 5H-6W, 75–77 | 43.56 | 180.4 | –51.7 | 5.29E–05 | 4.2 | ||
| 5H-7W, 27–29 | 44.58 | 214.9 | –50.3 | 4.65E–05 | 11.0 | ||
| 6H-1W, 75–77 | 45.56 | 167.8 | –32.0 | 6.30E–05 | 7.4 | ||
| 6H-2W, 75–77 | 47.06 | –14.1 | 27.1 | 3.38E–05 | 10.8 | ||
| 6H-3W, 75–77 | 48.56 | –5.3 | 37.5 | 6.9 | 20–60 | 1.18E–04 | 3.0 |
| 6H-5W, 60–62 | 51.41 | 44.4 | 8.5 | 3.04E–05 | 18.2 | ||
| 7H-2W, 70–72 | 56.51 | 12.9 | 29.9 | 4.28E–05 | 17.3 | ||
| 7H-4W, 75–77 | 59.56 | 14.8 | 37.5 | 3.32E–05 | 6.9 | ||
| 7H-6W, 75–77 | 62.56 | 40.8 | 6.8 | 1.61E–05 | 31.7 | ||
| 8H-2W, 75–77 | 66.06 | –30.9 | 29.3 | 4.36E–05 | 15.5 | ||
| 8H-4W, 75–77 | 69.06 | –32.8 | 28.6 | 6.64E–05 | 9.8 | ||
| 8H-6W, 75–77 | 72.06 | –26.4 | 2.5 | 2.77E–05 | 32.0 | ||
| 9H-1W, 74–76 | 74.05 | –2.8 | 18.0 | 2.10E–05 | 8.1 | ||
| 9H-2W, 74–76 | 75.55 | –22.3 | 35.2 | 2.86E–05 | 11.7 | ||
| 9H-3W, 74–76 | 77.05 | 13.3 | –27.1 | 1.08E–05 | 7.8 | ||
| 9H-4W, 74–76 | 78.55 | 11.9 | 14.7 | 1.66E–05 | 11.9 | ||
| 9H-5W, 74–76 | 80.05 | –36.9 | 43.8 | 1.60E–05 | 8.8 | ||
| 9H-6W, 74–76 | 81.55 | –28.0 | 49.5 | 1.70E–05 | 33.1 | ||
| 9H-7W, 29–31 | 82.60 | –14.7 | 23.4 | 1.94E–05 | 12.6 | ||
| 10H-1W, 74–76 | 83.55 | 224.3 | –47.6 | 8.74E–05 | 8.9 | ||
| 10H-2W, 74–76 | 85.05 | 244.0 | –51.5 | 4.84E–05 | 9.0 | ||
| 10H-3W, 74–76 | 86.55 | 56.3 | 29.3 | 6.90E–05 | 6.5 | ||
| 10H-5W, 74–76 | 89.55 | –6.2 | 30.1 | 1.27E–04 | 5.2 | ||
| 10H-7W, 39–41 | 91.90 | 186.2 | –53.9 | 9.23E–05 | 5.8 | ||
| 11H-1W, 74–76 | 93.05 | 213.3 | 14.1 | 2.22E–04 | 6.3 | ||
| 11H-2W, 22–24 | 94.03 | 49.7 | 68.4 | 1.50E–04 | 5.4 | ||
| 11H-3W, 74–76 | 96.05 | 40.8 | 66.4 | 2.25E–04 | 4.5 | ||
| 11H-4W, 74–76 | 97.55 | 43.6 | 74.3 | 2.91E–04 | 3.8 | ||
| 11H-5W, 74–76 | 99.05 | 68.4 | 68.6 | 3.53E–04 | 4.2 | ||
| 11H-6W, 72–74 | 100.53 | 41.8 | 58.1 | 3.39E–04 | 4.3 | ||
| 11H-7W, 14–16 | 101.45 | 57.8 | 59.7 | 1.61E–04 | 7.0 | ||
| 12H-1W, 48–50 | 102.29 | 69.8 | –13.9 | 7.82E–04 | 1.7 | ||
| 16X-1W, 34–36 | 122.25 | –19.5 | –8.2 | 4.00E–03 | 6.2 | ||
| 16X-1W, 81–83 | 122.72 | 70.3 | –41.7 | 3.94E–04 | 3.9 | ||
| 16X-2W, 57–59 | 123.98 | 43.8 | –27.4 | 4.20E–04 | 3.1 | ||
| 17X-1W, 49–51 | 126.80 | 64.0 | –29.5 | 3.98E–04 | 1.7 | ||
| 18X-1W, 58–60 | 136.49 | 0.7 | 23.0 | 5.09E–04 | 5.3 | ||
| 18X-3W, 99–101 | 139.90 | –70.6 | 46.9 | 1.83E–03 | 6.2 | ||
| 18X-5W, 29–31 | 142.20 | 40.7 | –11.6 | 4.67E–04 | 2.4 | ||
| 19X-1W, 27–29 | 145.78 | 55.3 | –23.5 | 2.30E–04 | 1.7 | ||
| 19X-3W, 48–50 | 148.80 | 151.0 | 44.5 | 13.2 | 20–60 | 1.20E–04 | 6.6 |
| 20X-1W, 67–69 | 155.78 | –25.0 | –30.5 | 5.03E–04 | 7.2 | ||
| 20X-3W, 113–115 | 159.24 | –71.3 | –42.9 | 11.7 | 30–60 | 1.96E–04 | 7.1 |
| 20X-5W, 80–82 | 161.91 | 58.6 | –32.7 | 5.68E–04 | 3.1 | ||
| 21X-1W, 60–62 | 165.31 | 106.0 | –36.0 | 8.33E–05 | 7.0 | ||
| 21X-3W, 80–82 | 168.51 | 5.6 | –28.9 | 1.2 | 20–60 | 1.45E–03 | 4.7 |
| 21X-5W, 41–43 | 171.12 | 56.1 | –18.1 | 9.02E–04 | 2.4 | ||
| 22X-1W, 40–42 | 174.71 | 78.9 | –21.5 | 3.87E–05 | 9.0 | ||
| 22X-3W, 50–52 | 177.81 | 234.0 | –29.8 | 9.4 | 20–60 | 4.91E–04 | 4.7 |
| 23X-1W, 37–39 | 184.28 | –67.5 | –38.3 | 5.37E–05 | 8.5 | ||
| 23X-3W, 101–103 | 187.92 | 41.1 | 66.6 | 15.0 | 30–60 | 9.04E–04 | 3.6 |
| 23X-5W, 6–8 | 189.97 | 11.4 | –21.0 | 5.84E–04 | 6.1 | ||
| 24X-1W, 86–88 | 194.37 | 53.1 | –17.8 | 2.01E–03 | 1.1 | ||
| 24X-3W, 106–108 | 197.57 | 67.2 | –13.6 | 1.21E–03 | 2.8 | ||
| 25X-1W, 58–60 | 203.69 | –65.1 | 60.0 | 2.47E–03 | 6.7 | ||
| 25X-2W, 67–69 | 205.03 | 43.8 | 30.0 | 5.42E–03 | 3.2 | ||
| 25X-3W, 69–71 | 206.36 | 39.7 | 31.4 | 2.7 | 20–60 | 6.39E–03 | 3.4 |
| 27X-2W, 65–67 | 224.46 | –36.8 | 36.1 | 3.80E–03 | 6.8 | ||
| 27X-3W, 103–105 | 226.34 | 81.4 | 26.9 | 1.06E–02 | 4.6 | ||
| 27X-4W, 62–64 | 227.43 | 36.1 | 35.9 | 5.20E–03 | 3.9 | ||
| 27X-5W, 109–111 | 229.40 | 68.8 | –7.5 | 6.02E–03 | 4.8 | ||
| 28X-2W, 126–128 | 234.67 | 103.4 | 22.3 | 1.14E–04 | 8.2 | ||
| 28X-3W, 29–31 | 235.20 | 164.0 | 28.4 | 2.3 | 10–60 | 2.20E–04 | 5.5 |
| 28X-4W, 91–93 | 237.32 | 250.0 | 28.7 | 9.61E–05 | 4.7 | ||
| 28X-5W, 26–28 | 238.17 | –66.2 | 25.3 | 4.19E–05 | 6.2 | ||
| 28X-6W, 22–24 | 239.23 | 48.6 | 20.9 | 2.09E–04 | 2.5 | ||
| 29X-1W, 91–93 | 242.42 | 100.6 | 29.8 | 7.09E–04 | 5.6 | ||
| 29X-2W, 82–84 | 243.83 | 2.4 | 38.6 | 5.92E–04 | 5.1 | ||
| 29X-3W, 51–53 | 245.02 | 258.5 | 31.0 | 4.31E–04 | 6.4 | ||
| 29X-4W, 41–43 | 246.42 | 150.1 | 41.1 | 2.3 | 10–60 | 3.07E–04 | 6.0 |
| 29X-5W, 37–39 | 247.88 | –15.4 | 48.8 | 1.03E–03 | 4.8 | ||
| 29X-6W, 17–19 | 249.18 | 78.2 | 43.4 | 4.29E–04 | 4.8 | ||
| 30X-1W, 35–37 | 251.46 | –1.0 | 38.3 | 4.46E–04 | 4.7 | ||
| 30X-3W, 36–38 | 254.47 | 156.2 | 44.0 | 1.8 | 10–60 | 1.96E–04 | 5.3 |
| 30X-5W, 28–30 | 257.19 | NA | NA | 4.05E–04 | 4.5 | ||
| 31X-1W, 31–33 | 261.02 | –9.0 | 40.2 | 6.62E–05 | 8.8 | ||
| 31X-3W, 35–37 | 264.06 | 9.9 | 32.0 | 1.50E–04 | 6.1 | ||
| 31X-5W, 48–50 | 267.19 | 33.2 | 41.0 | 1.10E–04 | 5.3 | ||
Declinations for Cores 1H to 12H are corrected to geographical coordinates using the FlexIT orientation data (Table T11). PCA = principal component analysis, MAD = maximum angle of deviation, NRM = natural remanent magnetism. NA = not available.
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