Table T24. Position of paleomagnetic transitions, Holes U1313A, U1313B, U1313C, and U1313D.
Polarity chron interpretation |
Name | Age (Ma) |
Hole U1313A | Hole U1313B | Hole U1313C | Hole U1313D | ||||
---|---|---|---|---|---|---|---|---|---|---|
Depth (mbsf) |
Relative uncertainty (m) |
Depth (mbsf) |
Relative uncertainty (m) |
Depth (mbsf) |
Relative uncertainty (m) |
Depth (mbsf) |
Relative uncertainty (m) |
|||
C1n (b) | Brunhes/Matuyama | 0.78 | 34.2 | 0.4 | 34.1 | 0.4 | 34.1 | 0.4 | 33.8 | 0.1 |
C1r.1n (t) | Jaramillo (t) | 0.99 | 42.1 | 0.1 | 41.0 | 0.1 | 42.0 | 0.1 | 41.2 | 0.1 |
C1r.1n (b) | Jaramillo (b) | 1.07 | 45.3 | 0.1 | 45.1 | 0.1 | 47.1 | 0.1 | 45.8 | 0.1 |
C1r.2r-1n (t) | Cobb Mt. (t) | 1.19 | 49.5 | 0.1 | 49.4 | 0.1 | 49.6 | 0.1 | ||
C1r.2r-1n (b) | Cobb Mt. (b) | 1.215 | 50.7 | 0.1 | 50.8 | 0.1 | 50.9 | 0.1 | ||
C2n (t) | Olduvai (t) | 1.77 | 73.7 | 0.1 | 72.7 | 0.1 | 75.2 | 0.2 | 75.5 | 0.2 |
C2n (b) | Olduvai (b) | 1.95 | 82.2 | 0.1 | 81.8 | 0.1 | 82.4 | 0.4 | 83.1 | 0.1 |
C2r.1n (t) | Reunion (t) | 2.115 | 89.1 | 0.1 | 89.0 | 0.3 | ||||
C2r.1n (b) | Reunion (b) | 2.153 | 90.6 | 0.1 | 90.0 | 0.1 | ||||
C2An.1n (t) | Matuyama/Gauss | 2.581 | 111.0 | 0.2 | 109.9 | 0.2 | 110.5 | 0.1 | 111.6 | 0.1 |
C2An.1n (b) | Kaena (t) | 3.04 | 130.2 | 0.2 | 128.6 | 0.1 | 130.3 | 0.3 | ||
C2An.2n (t) | Kaena (b) | 3.11 | 131.7 | 0.2 | 131.7 | 0.1 | 131.9 | 0.1 | ||
C2An.2n (b) | Mammoth (t) | 3.22 | 136.2 | 0.2 | 135.9 | 0.1 | 137.4 | 0.4 | 135.9 | 0.3 |
C2An.3n (t) | Mammoth (b) | 3.33 | 138.4 | 0.1 | 139.1 | 0.2 | 138.4 | 0.1 | 139.0 | 0.2 |
C2An.3n (b) | Gauss/Gilbert | 3.58 | 155.2 | 0.2 | 154.8 | 0.1 | 153.8 | 0.1 | ||
C3n.1n (t) | Cochiti (t) | 4.18 | 175.4 | 0.6 | 176.1 | 1.1 | 175.5 | 0.2 | ||
C3n.1n (b) | Cochiti (b) | 4.29 | 182.1 | 0.4 | 180.7 | 0.9 | 183.0 | 0.1 | ||
C3n.2n (t) | Nunivak (t) | 4.48 | 188.4 | 0.1 | 187.5 | 1.2 | 188.9 | 0.1 | ||
C3n.2n (b) | Nunivak (b) | 4.62 | 195.6 | 0.3 | 194.1 | 0.1 | 195.1 | 0.2 | ||
C3n.3n (t) | Sidufjall (t) | 4.80 | 202.0 | 0.1 | 201.5 | 0.1 | 202.6 | 0.2 | ||
C3n.3n (b) | Sidufjall (b) | 4.89 | 204.3 | 0.7 | 206.7 | 0.1 | 207.0 | 0.1 | ||
C3n.4n (t) | Thvera (t) | 4.98 | 210.6 | 0.4 | 210.8 | 0.1 | 212.1 | 0.1 | ||
C3n.4n (b) | Thvera (b) | 5.230 | 222.3 | 0.3 | 220.8 | 0.3 | 222.7 | 0.2 | ||
C3An.1n (t) | Gilbert (b) | 5.894 | 239.2 | 1.0 | 239.4 | 1.3 | 244.2 | 0.8 | ||
C3An.1n (b) | 6.137 | 249.7 | 0.3 | 252.3 | 0.3 | 253.0 | 0.4 | |||
C3An.2n (t) | 6.269 | |||||||||
C3An.2n (b) | 6.567 |
Notes: Interpretations in italics correspond to uncertain ties to the reference geomagnetic polarity timescale. t = top, b = bottom.
Previous | Close | Next | Top of page