Table T12. Summary of AF demagnetization results for discrete samples, Holes U1404A and U1404B.
|
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) |
|---|---|---|---|---|---|---|
| 342-U1404A- | ||||||
| 1H-1W, 72–74 | 0.73 | 268.3 | 72.2 | 4.00E–03 | ||
| 1H-2W, 56–58 | 2.07 | –54.9 | 69.3 | 4.80E–03 | ||
| 1H-3W, 42–44 | 3.14 | 177.9 | –40.7 | 5.7 | 20–40 | 2.04E–03 |
| 1H-4W, 42–44 | 4.13 | 7.8 | 76.1 | 2.55E–04 | ||
| 2H-1W, 116–118 | 5.87 | –20.8 | 71.8 | 4.51E–03 | ||
| 2H-2W, 46–48 | 6.67 | –48.6 | 79.7 | 2.74E–03 | ||
| 2H-3W, 54–56 | 7.70 | 204.1 | –38.1 | 8.7 | 20–40 | 2.00E–03 |
| 2H-4W, 72–74 | 9.38 | –0.9 | 71.3 | 5.27E–03 | ||
| 2H-5W, 72–74 | 10.88 | 197.8 | –49.5 | 3.56E–03 | ||
| 2H-6W, 52–54 | 12.18 | 247.5 | –67.0 | 9.24E–05 | ||
| 2H-7W, 64–66 | 13.39 | 227.5 | 3.2 | 1.25E–05 | ||
| 3H-1W, 111–113 | 15.32 | 147.0 | –43.6 | 3.93E–05 | ||
| 3H-2W, 78–80 | 16.49 | 224.5 | –19.9 | 4.50E–05 | ||
| 3H-3W, 64–66 | 17.85 | 151.2 | 44.9 | 7.06E–05 | ||
| 3H-4W, 76–78 | 19.47 | 34.6 | 70.8 | 5.98E–05 | ||
| 3H-5W, 55–57 | 20.76 | 193.6 | –27.2 | 2.82E–05 | ||
| 3H-6W, 40–42 | 21.81 | 213.7 | 83.9 | 4.29E–05 | ||
| 5H-1W, 92–94 | 34.13 | 218.9 | –56.0 | 7.06E–05 | ||
| 5H-2W, 74–76 | 35.45 | 187.5 | –30.7 | 5.43E–05 | ||
| 5H-3W, 94–96 | 37.15 | 170.1 | 58.2 | 3.67E–05 | ||
| 5H-4W, 74–76 | 38.45 | 36.3 | 47.1 | 4.47E–05 | ||
| 5H-5W, 66–68 | 39.87 | –3.4 | 65.5 | 7.48E–05 | ||
| 6H-1W, 74–76 | 43.45 | 13.2 | 57.1 | 1.02E–04 | ||
| 6H-2W, 74–76 | 44.95 | 50.8 | 75.4 | 7.70E–05 | ||
| 6H-3W, 74–76 | 46.45 | 80.8 | 42.9 | 6.31E–05 | ||
| 6H-4W, 54–56 | 47.75 | 231.6 | –35.1 | 6.63E–05 | ||
| 6H-5W, 35–37 | 48.76 | 216.5 | –43.6 | 7.75E–05 | ||
| 7H-1W, 75–77 | 52.96 | –63.4 | 71.5 | 6.68E–05 | ||
| 7H-2W, 75–77 | 54.46 | –84.1 | –8.6 | 3.86E–05 | ||
| 7H-3W, 50–52 | 55.71 | 65.4 | 72.4 | 5.53E–05 | ||
| 7H-4W, 75–77 | 57.46 | 19.2 | 47.9 | 7.00E–05 | ||
| 7H-5W, 39–41 | 58.60 | 5.8 | 63.4 | 9.53E–05 | ||
| 8H-1W, 75–77 | 62.46 | 150.1 | 75.2 | 3.65E–05 | ||
| 8H-2W, 75–77 | 63.96 | 86.1 | 47.5 | 4.08E–05 | ||
| 8H-3W, 75–77 | 65.46 | 25.4 | 48.9 | 5.11E–05 | ||
| 8H-4W, 75–77 | 66.96 | 48.9 | 55.9 | 3.08E–05 | ||
| 8H-5W, 75–77 | 68.46 | –17.6 | 58.8 | 4.48E–05 | ||
| 8H-6W, 60–62 | 69.81 | 18.9 | 75.2 | 5.71E–05 | ||
| 8H-7W, 29–31 | 70.80 | –40.8 | 72.8 | 4.71E–05 | ||
| 9H-1W, 75–77 | 71.96 | 4.2 | 33.7 | 5.78E–05 | ||
| 9H-2W, 75–77 | 73.46 | 48.4 | 25.1 | 2.36E–05 | ||
| 9H-3W, 75–77 | 74.96 | 92.3 | –3.9 | 3.12E–05 | ||
| 9H-4W, 75–77 | 76.46 | –66.8 | 4.6 | 1.01E–05 | ||
| 9H-5W, 75–77 | 77.96 | 76.3 | –27.7 | 2.58E–05 | ||
| 9H-6W, 75–77 | 79.46 | 162.1 | –29.9 | 3.21E–05 | ||
| 9H-7W, 32–34 | 80.53 | 169.3 | –61.2 | 4.39E–05 | ||
| 10H-1W, 65–67 | 81.36 | 249.9 | –20.7 | 6.60E–05 | ||
| 10H-2W, 75–77 | 82.96 | 227.5 | –38.3 | 8.21E–05 | ||
| 10H-3W, 75–77 | 84.46 | 224.7 | –25.5 | 8.28E–05 | ||
| 10H-4W, 75–77 | 85.96 | 194.7 | –34.7 | 5.95E–05 | ||
| 10H-5W, 75–77 | 87.46 | 243.9 | –26.1 | 7.19E–05 | ||
| 10H-6W, 75–77 | 88.96 | 236.3 | –24.8 | 6.41E–05 | ||
| 10H-7W, 30–52 | 90.11 | 236.3 | –34.6 | 7.00E–05 | ||
| 11H-1W, 60–62 | 90.81 | –27.2 | –42.9 | 1.78E–05 | ||
| 11H-2W, 81–83 | 92.35 | 241.7 | 39.3 | 2.46E–05 | ||
| 11H-3W, 75–77 | 93.82 | –50.8 | 46.3 | 14.7 | 20–60 | 9.96E–05 |
| 11H-4W, 63–65 | 95.16 | –15.5 | 58.0 | 6.16E–05 | ||
| 12H-1W, 63–65 | 96.84 | –8.4 | 7.5 | 2.00E–05 | ||
| 12H-2W, 63–65 | 98.29 | 266.3 | –37.0 | 2.63E–05 | ||
| 12H-3W, 63–65 | 99.74 | 233.6 | –76.0 | 7.96E–05 | ||
| 12H-4W, 63–65 | 101.19 | –27.4 | 10.2 | 1.58E–05 | ||
| 12H-5W, 63–65 | 102.64 | 53.5 | 50.9 | 6.27E–05 | ||
| 12H-6W, 60–62 | 104.11 | –73.8 | –27.2 | 4.43E–05 | ||
| 12H-7W, 29–31 | 105.30 | 230.1 | –20.6 | 4.23E–05 | ||
| 13H-2W, 76–78 | 106.99 | –23.2 | –10.8 | 1.09E–04 | ||
| 13H-3W, 74–76 | 108.48 | 238.1 | –62.1 | 5.60E–05 | ||
| 13H-4W, 74–76 | 109.98 | 233.9 | –30.1 | 7.67E–05 | ||
| 13H-5W, 74–76 | 111.48 | 248.6 | –17.4 | 6.58E–05 | ||
| 13H-6W, 104–106 | 113.28 | 189.7 | –46.5 | 8.49E–05 | ||
| 13H-7W, 48–50 | 114.22 | 48.1 | –58.0 | 5.92E–05 | ||
| 14H-1W, 74–76 | 115.95 | 218.0 | –20.7 | 2.55E–05 | ||
| 14H-2W, 74–76 | 117.45 | 169.9 | –45.5 | 4.01E–05 | ||
| 14H-3W, 74–76 | 118.95 | 7.6 | 56.9 | 4.6 | 30–60 | 1.73E–04 |
| 14H-4W, 74–76 | 120.45 | –2.4 | 47.4 | 1.20E–04 | ||
| 14H-5W, 74–76 | 121.95 | 42.3 | 23.9 | 1.27E–04 | ||
| 14H-6W, 44–46 | 123.15 | 65.1 | 36.4 | 3.45E–05 | ||
| 14H-7W, 44–46 | 124.15 | –66.5 | 46.0 | 1.15E–05 | ||
| 15H-1W, 74–76 | 125.45 | 229.8 | –21.2 | 6.76E–05 | ||
| 15H-2W, 74–76 | 126.91 | 230.9 | –43.1 | 7.75E–05 | ||
| 15H-3W, 80–82 | 128.44 | 191.0 | –40.7 | 14.5 | 20–60 | 1.39E–04 |
| 15H-4W, 74–76 | 129.84 | 214.1 | –16.7 | 7.15E–05 | ||
| 15H-5W, 74–76 | 131.30 | –29.3 | 54.1 | 8.07E–05 | ||
| 15H-6W, 68–70 | 132.71 | 67.2 | 73.0 | 4.60E–05 | ||
| 15H-7W, 44–46 | 133.98 | 34.7 | 56.1 | 8.06E–05 | ||
| 16H-1W, 74–76 | 134.95 | –16.1 | 27.0 | 7.02E–05 | ||
| 16H-2W, 74–76 | 136.45 | 3.3 | 64.8 | 5.59E–05 | ||
| 16H-3W, 74–76 | 137.95 | –58.7 | 48.5 | 2.93E–05 | ||
| 16H-4W, 76–78 | 139.47 | –51.3 | 48.9 | 2.63E–05 | ||
| 16H-5W, 74–76 | 140.95 | 22.9 | 29.2 | 3.74E–05 | ||
| 16H-6W, 65–67 | 142.36 | 154.0 | –42.3 | 2.06E–05 | ||
| 16H-7W, 42–44 | 143.33 | 46.8 | 3.1 | 4.85E–05 | ||
| 17H-1W, 74–76 | 144.45 | –14.5 | 20.9 | 8.44E–05 | ||
| 17H-2W, 74–76 | 145.96 | –75.9 | 53.9 | 4.06E–05 | ||
| 17H-3W, 74–76 | 147.41 | 167.9 | –17.0 | 11.0 | 20–60 | 1.19E–04 |
| 17H-4W, 74–76 | 148.87 | 169.8 | –67.5 | 1.08E–04 | ||
| 17H-5W, 74–76 | 150.33 | 202.9 | –46.6 | 3.28E–05 | ||
| 17H-6W, 74–76 | 151.79 | 265.5 | 33.2 | 1.99E–05 | ||
| 17H-7W, 46–48 | 152.97 | –51.6 | –10.8 | 2.47E–05 | ||
| 18H-1W, 75–77 | 153.96 | –18.8 | –50.9 | 4.07E–05 | ||
| 18H-2W, 75–77 | 155.47 | 99.6 | –26.7 | 4.14E–05 | ||
| 18H-3W, 75–77 | 156.98 | 150.7 | 51.4 | 3.69E–05 | ||
| 18H-4W, 75–77 | 158.50 | 64.7 | 26.9 | 3.76E–06 | ||
| 18H-5W, 75–77 | 160.01 | 234.1 | –33.4 | 2.62E–05 | ||
| 18H-6W, 55–57 | 161.32 | 74.6 | 45.4 | 9.53E–05 | ||
| 18H-7W, 40–42 | 162.38 | 78.7 | 38.1 | 9.18E–05 | ||
| 19H-1W, 75–77 | 163.46 | 141.9 | 50.4 | 2.65E–05 | ||
| 19H-2W, 75–77 | 164.96 | 163.7 | 21.6 | 9.46E–05 | ||
| 19H-3W, 75–77 | 166.46 | 153.2 | 37.2 | 9.74E–05 | ||
| 19H-4W, 75–77 | 167.97 | 188.5 | 27.6 | 6.31E–05 | ||
| 19H-5W, 75–77 | 169.48 | 157.0 | 23.1 | 9.42E–05 | ||
| 19H-6W, 75–77 | 171.00 | –64.2 | –25.3 | 1.01E–04 | ||
| 19H-7W, 45–47 | 171.92 | –39.5 | –15.6 | 8.31E–05 | ||
| 20H-1W, 75–77 | 172.96 | 84.0 | –7.2 | 1.35E–05 | ||
| 20H-2W, 75–77 | 174.46 | 166.5 | –71.5 | 2.68E–05 | ||
| 20H-3W, 75–77 | 175.96 | 200.0 | –26.8 | 8.1 | 10–60 | 9.84E–05 |
| 20H-4W, 75–77 | 177.46 | 12.8 | –30.8 | 3.83E–05 | ||
| 20H-5W, 75–77 | 178.96 | 191.2 | –4.0 | 3.98E–05 | ||
| 20H-6W, 55–57 | 180.26 | 24.1 | 63.6 | 3.32E–05 | ||
| 20H-7W, 40–42 | 181.31 | –40.5 | 18.1 | 7.97E–05 | ||
| 21H-1W, 85–87 | 182.56 | 25.9 | 28.6 | 7.26E–05 | ||
| 21H-2W, 75–77 | 183.96 | 4.5 | 58.4 | 1.70E–04 | ||
| 21H-3W, 62–64 | 185.33 | 40.5 | 61.2 | 6.7 | 10–60 | 1.58E–04 |
| 21H-4W, 75–77 | 186.96 | –21.7 | 46.2 | 4.42E–05 | ||
| 21H-5W, 75–77 | 188.46 | –43.2 | 52.4 | 1.60E–04 | ||
| 21H-6W, 50–52 | 189.71 | 12.3 | 42.3 | 1.82E–04 | ||
| 21H-7W, 32–34 | 191.03 | 18.9 | 51.5 | 2.01E–04 | ||
| 22H-1W, 90–92 | 192.11 | 32.7 | 11.5 | 1.33E–04 | ||
| 22H-2W, 55–57 | 193.26 | 8.6 | 69.1 | 6.52E–05 | ||
| 22H-3W, 26–28 | 194.07 | 163.0 | 8.4 | 4.58E–05 | ||
| 23H-1W, 75–77 | 195.66 | 57.4 | 11.4 | 6.08E–05 | ||
| 23H-2W, 75–77 | 197.16 | 67.9 | –6.1 | 3.70E–05 | ||
| 23H-3W, 75–77 | 198.66 | 64.1 | 32.6 | 11.1 | 10–60 | 3.39E–03 |
| 23H-4W, 75–77 | 200.16 | 229.3 | –26.4 | 3.7 | 20–60 | 1.12E–02 |
| 23H-5W, 75–77 | 201.66 | 66.0 | 31.0 | 6.48E–03 | ||
| 23H-6W, 42–44 | 202.83 | 65.5 | 50.8 | 5.59E–03 | ||
| 23H-7W, 27–29 | 203.68 | 98.7 | 55.7 | 9.20E–05 | ||
| 24H-1W, 70–72 | 205.01 | 12.3 | –17.0 | 2.60E–03 | ||
| 24H-2W, 74–76 | 206.55 | –78.6 | 4.5 | 3.86E–03 | ||
| 24H-3W, 74–76 | 208.05 | 228.7 | 33.2 | 7.2 | 10–80 | 7.05E–03 |
| 24H-4W, 74–76 | 209.55 | 218.5 | 46.5 | 3.10E–04 | ||
| 24H-5W, 64–66 | 210.95 | 204.5 | 51.8 | 1.94E–03 | ||
| 24H-6W, 47–49 | 212.28 | 230.1 | 34.2 | 5.58E–03 | ||
| 25H-1W, 74–76 | 213.55 | 219.9 | –54.6 | 1.80E–03 | ||
| 25H-2W, 74–76 | 215.05 | 37.6 | 59.7 | 4.03E–04 | ||
| 25H-3W, 74–76 | 216.55 | –27.3 | 56.7 | 7.98E–04 | ||
| 25H-4W, 66–68 | 217.97 | 45.2 | 51.9 | 4.00E–03 | ||
| 25H-5W, 21–23 | 219.02 | 17.8 | 54.5 | 4.40E–03 | ||
| 26H-1W, 67–69 | 221.18 | –61.5 | –20.5 | 8.1 | 20–40 | 3.64E–03 |
| 26H-1W, 120–122 | 221.71 | –52.6 | 11.9 | 3.01E–05 | ||
| 26H-2W, 74–76 | 222.75 | 110.1 | 64.2 | 3.67E–03 | ||
| 26H-3W, 74–76 | 224.25 | 105.4 | 49.2 | 1.28E–03 | ||
| 26H-4W, 74–76 | 225.75 | 99.3 | 51.2 | 3.46E–03 | ||
| 26H-5W, 54–56 | 227.05 | 116.6 | 48.5 | 2.19E–03 | ||
| 26H-6W, 29–31 | 228.00 | 114.7 | 55.8 | 2.68E–04 | ||
| 27H-1W, 74–76 | 229.35 | 136.0 | 43.1 | 10.9 | 20–80 | 1.07E–04 |
| 27H-2W, 74–76 | 230.85 | 133.3 | 51.2 | 4.14E–04 | ||
| 27H-3W, 74–76 | 232.35 | 127.0 | 53.6 | 2.24E–04 | ||
| 27H-4W, 68–70 | 233.79 | 146.2 | 58.0 | 6.05E–04 | ||
| 27H-5W, 72–74 | 235.33 | 114.8 | 65.3 | 5.48E–04 | ||
| 28H-1W, 72–74 | 237.23 | –22.8 | 41.7 | 1.65E–04 | ||
| 28H-2W, 72–74 | 238.73 | –36.7 | 16.5 | 5.29E–05 | ||
| 28H-3W, 72–74 | 240.23 | 165.2 | –63.2 | 1.06E–04 | ||
| 28H-4W, 68–70 | 241.69 | –44.8 | 45.2 | 1.64E–04 | ||
| 28H-5W, 61–63 | 243.12 | –53.8 | 26.9 | 1.08E–04 | ||
| 29H-1W, 74–76 | 244.85 | 213.1 | 21.6 | 3.39E–04 | ||
| 29H-2W, 74–76 | 246.35 | 211.2 | 34.7 | 1.27E–04 | ||
| 29H-3W, 74–76 | 247.85 | 207.2 | 9.8 | 7.4 | 10–60 | 3.26E–04 |
| 29H-4W, 74–76 | 249.35 | –3.5 | –3.1 | 1.09E–03 | ||
| 29H-5W, 66–68 | 250.77 | 266.4 | 4.8 | 1.43E–05 | ||
| 30H-1W, 60–62 | 253.61 | –46.7 | –18.2 | 2.72E–04 | ||
| 30H-2W, 46–48 | 254.72 | –51.6 | –23.1 | 1.78E–04 | ||
| 30H-3W, 43–45 | 255.58 | –32.3 | –9.6 | 12.5 | 20–60 | 1.51E–04 |
| 30H-4W, 75–77 | 257.40 | –76.8 | –11.9 | 9.23E–05 | ||
| 30H-5W, 25–27 | 258.40 | 234.8 | –4.2 | 7.71E–05 | ||
| 31H-1W, 75–77 | 260.46 | 160.2 | –11.9 | 1.75E–04 | ||
| 31H-2W, 75–77 | 261.96 | 144.6 | –36.7 | 2.22E–03 | ||
| 31H-3W, 60–62 | 263.31 | 124.4 | –34.7 | 2.25E–04 | ||
| 31H-4W, 30–32 | 264.51 | 137.8 | 30.7 | 1.18E–05 | ||
| 32H-2W, 53–55 | 266.20 | 242.3 | 30.7 | 4.83E–05 | ||
| 32H-3W, 75–77 | 267.74 | 198.9 | 42.3 | 4.50E–05 | ||
| 32H-4W, 60–62 | 269.09 | –47.0 | 15.5 | 3.30E–04 | ||
| 33X-1W, 33–35 | 271.34 | –83.2 | –36.2 | 2.10E–04 | ||
| 33X-2W, 42–44 | 272.93 | 107.0 | –59.0 | 1.28E–04 | ||
| 33X-3W, 80–82 | 274.81 | 213.1 | –25.6 | 2.85E–04 | ||
| 33X-4W, 134–136 | 276.85 | 88.3 | –13.9 | 5.54E–05 | ||
| 33X-5W, 99–101 | 278.00 | 129.8 | –64.0 | 4.63E–05 | ||
| 33X-6W, 33–35 | 278.84 | 256.1 | 11.5 | 7.75E–05 | ||
| 34X-2W, 105–107 | 283.26 | 229.5 | 31.3 | 1.05E–04 | ||
| 34X-3W, 44–46 | 284.15 | –26.6 | 59.8 | 1.91E–04 | ||
| 34X-4W, 48–50 | 285.69 | –24.5 | 46.5 | 8.12E–05 | ||
| 34X-5W, 89–91 | 287.60 | 240.3 | 37.7 | 2.40E–04 | ||
| 34X-6W, 51–53 | 288.72 | 9.9 | 68.5 | 20.9 | 20–60 | 1.04E–04 |
| 34X-7W, 29–31 | 289.50 | 248.0 | 37.9 | 1.17E–04 | ||
| 35X-1W, 95–97 | 290.36 | 211.1 | 38.5 | 7.36E–05 | ||
| 35X-2W, 80–82 | 291.71 | 47.4 | 50.3 | 22.1 | 10–60 | 1.35E–04 |
| 35X-3W, 57–59 | 292.85 | 158.7 | 31.1 | 6.32E–05 | ||
| 36X-1W, 66–68 | 299.77 | –14.3 | –51.1 | 8.00E–05 | ||
| 342-U1404B- | ||||||
| 24H-4W, 50–52 | 207.21 | 246.3 | 60.6 | 8.14E–04 | ||
Declinations for Cores 342-U1404A-1H through 23H and 342-U1404B-24H are corrected into geographical coordinates using FlexIT orientation data. PCA = principal component analysis, MAD = maximum angle of deviation, NRM = natural remanent magnetism.
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