Table T3. Chemical composition of Hole C0009A cutting samples in this study and onboard X-ray fluorescence (XRF) analysis.
| Methods: | ICP-AES result | Shipboard XRF result | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cutting samples: | 130-SMW | 193-SMW | 213-SMW | 130-SMW | 193-SMW | 213-SMW | ||||||
| Storage duration (months): | 0 | 6 | 33 | 0 | 6 | 33 | 0 | 6 | 33 | NA | NA | NA |
| Major elements (wt%): | ||||||||||||
| Al | 7.0 | 7.0 | 6.4 | 5.7 | 6.3 | 6.6 | 7.0 | 7.1 | 7.0 | 8.2 | 8.0 | 7.9 |
| Ca | 4.8 | 4.9 | 4.2 | 2.4 | 3.6 | 2.9 | 3.0 | 3.7 | 3.5 | 5.6 | 3.7 | 3.4 |
| Fe | 3.3 | 3.0 | 2.9 | 2.3 | 2.7 | 2.8 | 2.8 | 2.9 | 2.7 | 3.8 | 3.2 | 3.2 |
| K | 2.2 | 2.3 | 2.1 | 1.7 | 2.1 | 2.2 | 2.2 | 2.3 | 2.3 | 2.7 | 2.7 | 2.6 |
| Mg | 1.2 | 1.1 | 1.0 | 0.8 | 0.8 | 0.9 | 0.9 | 0.9 | 0.9 | 1.3 | 1.1 | 1.1 |
| Na | 0.9 | 0.9 | 0.9 | 0.8 | 0.9 | 0.9 | 1.1 | 1.0 | 1.0 | 1.2 | 1.5 | 1.4 |
| Minor elements (ppm): | ||||||||||||
| Ba | 400 | 370 | 350 | 320 | 350 | 340 | 410 | 380 | 370 | ND | ND | ND |
| Mn | 350 | 320 | 320 | 240 | 280 | 280 | 320 | 310 | 310 | 410 | 390 | 410 |
| Sr | 250 | 260 | 230 | 140 | 190 | 170 | 180 | 210 | 190 | ND | ND | ND |
| Zn | 80 | 96 | 74 | 60 | 90 | 70 | 90 | 80 | 79 | ND | ND | ND |
| Li | 60 | 61 | 54 | 47 | 56 | 57 | 58 | 62 | 58 | ND | ND | ND |
| Cr | 37 | 35 | 33 | 22 | 28 | 23 | 26 | 30 | 29 | ND | ND | ND |
ICP-AES = inductively coupled plasma−atomic emission spectroscopy. NA = not applicable, ND = not determined.