Database dump for this sample: |
| Top depth (cm) | 79.0 |
| Bottom depth (cm) | 80.0 |
| Lithology | Weakly-stratified muddy diamict with common granule-sized intraclasts of mud and diamict. TOC (0.27- 0.37 percent), low water content (25-30 percent). Clasts include: quartz, dolerite, granite,metamorphic lithologies (foliated/mylontic granitoids, metasediment, biotite schists, marble). Highly fragmented diatoms (0.4 * 10^9 valves/g). |
| Facies interpretation | Glacimarine sediment deposited proximal to grounding line by melt out of subglacial basal debris. A lower sand content than Facies Dm suggest some water sorting during deposition, while the slightly elevated diatom abundance, water content and TOC compared to the underlying massive diamict suggest an increasing marine influence. (Domack et al., 1999). Common intraclasts are consistent with the granulated facies of Domack et al., 1999. |
| Core sample comments | None |
| Carbon type | AIO |
| Analysis date | None |
| Chem lab | None |
| Analyst | None |
| Sample preparation method | None |
| AMS lab | Rafter Radiocarbon Lab |
| AMS date | None |
| Analysis ID | NZA37582 |
| Percent carbon | None |
| Fraction modern | None |
| δ13C (‰) | None |
| 14C age (yr) | 35250.0 |
| 14C age uncertainty (yr) | 510.0 |
| 14C comments | None |
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Calibration results: |
| Calibration curve | Marine20 |
| Reservoir correction (14C yr BP) (mean and st.dev. of all Antarctica calibration samples) (http://calib.org/marine/) | 1141 ± 179 |
| Calibration software | IOSACal (v.0.6.0) |
| Calibrated age 95.45 % HPD interval(s) (yr) | 39342.0 to 36752.0 cal yr BP |
| Calibrated age 68.2 % HPD interval(s) (yr) | 38890.0 to 37473.0 cal yr BP |
| 14C calibration plot | |
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