Table 3. Palaeomagnetic data for the reversals at the base and top of the Mammoth Subchron in DSDP Hole 610A.
| Site | Hole | Core, type | Section | Half | Top (cm) | Bottom (cm) | Depth (mbsf) | Sample name | Inclination (°) | Inc (low) | Inc (high) | Comments | |
| 610 | A | 17 | H | 3 | W | 73 | 75 | 156.74 | Mam-N1821 | 41.2 | 10.6 | 57.4 | |
| 610 | A | 17 | H | 3 | W | 88 | 90 | 156.89 | Mam-N1822 | 48.9 | 36.4 | 57.2 | |
| 610 | A | 17 | H | 3 | W | 98 | 100 | 156.99 | Mam-N1823 | 69.6 | 44.4 | 77.2 | |
| 610 | A | 17 | H | 3 | W | 108 | 110 | 157.09 | Mam-N1824 | 62.9 | 53.9 | 68.5 | |
| 610 | A | 17 | H | 3 | W | 115 | 117 | 157.16 | Mam-N1825 | 53 | 45.9 | 58.3 | |
| 610 | A | 17 | H | 3 | W | 127 | 129 | 157.28 | Mam-N1826 | 56.6 | 50.7 | 61.1 | |
| 610 | A | 17 | H | 3 | W | 139 | 141 | 157.40 | Mam-N1827 | 55.4 | 30.4 | 66.6 | |
| 610 | A | 17 | H | 4 | W | 6 | 8 | 157.57 | Mam-N1828 | 51.9 | 39.2 | 60 | |
| 610 | A | 17 | H | 4 | W | 21 | 23 | 157.72 | Mam-N1829 | 42.1 | −42.5 | 69.8 | |
| 610 | A | 17 | H | 4 | W | 26 | 28 | 157.77 | Mam-N1830 | 45.4 | 29 | 55.8 | |
| 610 | A | 17 | H | 4 | W | 36 | 38 | 157.87 | Mam-N1831 | 49.8 | 34.3 | 59.4 | |
| 610 | A | 17 | H | 4 | W | 52 | 54 | 158.03 | Mam-N1832 | 78.2 | 71.2 | 81.5 | |
| 610 | A | 17 | H | 4 | W | 69 | 71 | 158.20 | Mam-N1833 | 48 | 40.1 | 54.1 | |
| 610 | A | 17 | H | 4 | W | 84 | 86 | 158.35 | Mam-N1834 | 45.3 | 25 | 57.3 | |
| 610 | A | 17 | H | 4 | W | 92 | 94 | 158.43 | Mam-N1835 | 22.7 | 2.5 | 38.4 | |
| 610 | A | 17 | H | 4 | W | 114 | 116 | 158.65 | Mam-N1836 | −17.2 | −40 | 12.4 | |
| 610 | A | 17 | H | 4 | W | 124 | 126 | 158.75 | Mam-N1837 | −30.7 | −41.8 | −16.5 | |
| 610 | A | 17 | H | 6 | W | 69 | 71 | 161.20 | Mam-N1838 | −66.5 | −70 | −61.6 | |
| 610 | A | 17 | H | 6 | W | 88 | 90 | 161.39 | Mam-N1839 | −58.7 | −61.6 | −55.3 | |
| 610 | A | 17 | H | 6 | W | 93 | 95 | 161.44 | Mam-N1840 | −50.2 | −53.7 | −46.1 | |
| 610 | A | 17 | H | 6 | W | 101 | 103 | 161.52 | Mam-N1841 | −56.8 | −58.9 | −54.5 | |
| 610 | A | 17 | H | 6 | W | 117 | 119 | 161.68 | Mam-N1842 | 64.1 | 62.3 | 65.7 | |
| 610 | A | 17 | H | 6 | W | 134 | 136 | 161.85 | Mam-N1843 | −39.2 | −41 | −37.3 | |
| 610 | A | 17 | H | CC | W | 11 | 13 | 161.97 | Mam-N1844 | 20.8 | 10.9 | 29.6 | |
| 610 | A | 18 | H | 1 | W | 2 | 4 | 162.63 | Mam-N1845 | 44.1 | 43 | 45.3 | Disturbed? |
| 610 | A | 18 | H | 1 | W | 8 | 10 | 162.69 | Mam-N1846 | −3.7 | −6.5 | −1 | Disturbed? |
| 610 | A | 18 | H | 1 | W | 14 | 16 | 162.75 | Mam-N1847 | 43.4 | 41.8 | 45 | Disturbed? |
| 610 | A | 18 | H | 1 | W | 23 | 25 | 162.84 | Mam-N1848 | 7.1 | 6.1 | 8.1 | Disturbed? |
| 610 | A | 18 | H | 1 | W | 27 | 29 | 162.88 | Mam-N1849 | −20.6 | −23.9 | -17.1 | Disturbed? |
| 610 | A | 18 | H | 1 | W | 31 | 33 | 162.92 | Mam-N1850 | −71.3 | −74.9 | −65.6 | |
| 610 | A | 18 | H | 1 | W | 41 | 43 | 163.02 | Mam-N1851 | −57.1 | −59.4 | −54.4 | |
| 610 | A | 18 | H | 1 | W | 50 | 52 | 163.11 | Mam-N1852 | 34.2 | 31 | 37.3 | |
| 610 | A | 18 | H | 1 | W | 68 | 70 | 163.29 | Mam-N1853 | 9.7 | −8.9 | 26.6 | |
| 610 | A | 18 | H | 1 | W | 86 | 88 | 163.47 | Mam-N1854 | 57.3 | 34.5 | 67.6 | |
| 610 | A | 18 | H | 1 | W | 101 | 103 | 163.62 | Mam-N1855 | 37.4 | −12.4 | 60.2 | |
| 610 | A | 18 | H | 1 | W | 124 | 126 | 163.85 | Mam-N1856 | 17.5 | 4.7 | 28.7 | |
Depths in bold demonstrate the position of the reversals.
–30 cm of Section 610A-18H1. Note: The reversal at the base of the Mammoth Subchron is difficult to identify due to a core gap and potentially disturbed sediments in the upper 0