Cosmogenic-nuclide measurements and stratigraphic info
Borehole 3-B-99
Key to drillhole logs
Be-10 and Al-26 in quartz
| | | Depth | | [Be-10] | | | | [Al-26] | | |
| Sample name | | (ft) | | (atoms/g) | | +/- | | (atoms/g) | | +/- |
| |
| 3-B-99-87 | | 87.5 | | 3.19E+05 | | 1.08E+04 | | 1.34E+06 | | 4.29E+04 |
| 3-B-99-88 | | 88.5 | | 2.68E+05 | | 9.30E+03 | | 1.13E+06 | | 3.33E+04 |
| 3-B-99-89 | | 89.5 | | 1.97E+05 | | 5.84E+03 | | 8.56E+05 | | 3.77E+04 |
| 3-B-99-90 | | 90.75 | | 1.61E+05 | | 4.93E+03 | | 6.76E+05 | | 3.53E+04 |
| 3-B-99-91 | | 91.5 | | 1.58E+05 | | 4.75E+03 | | 5.79E+05 | | 2.13E+04 |
| 3-B-99-93MC | | 93.5 | | 1.22E+05 | | 3.84E+03 | | 5.10E+05 | | 2.71E+04 |
| 3-B-99-93F | | 93.5 | | 1.16E+05 | | 4.07E+03 | | 4.63E+05 | | 2.71E+04 |
Bulk Be-10 in sediment
| | Depth | | [Be-10] | | |
Sample name | | (ft) | | (atoms/g) | | +/- |
| |
| 3-B-99-87 | | 87.5 | | 6.95E+08 | | 2.06E+07 |
| 3-B-99-88 | | 88.5 | | 5.35E+08 | | 1.67E+07 |
| 3-B-99-89 | | 89.5 | | 2.29E+08 | | 8.67E+06 |
| 3-B-99-90 | | 90.5 | | 1.04E+08 | | 3.30E+06 |
| 3-B-99-91 | | 91.5 | | 1.02E+08 | | 3.29E+06 |
| 3-B-99-93 | | 93.5 | | 1.24E+08 | | 4.13E+06 |
Stratigraphy
For stratigraphic info on this hole, see the published paper -- here.