Metadata Overview for Tephra "CH22-NL-T1"
Below is all the metadata supplied for this sample. Some additional metadata has not been made public by the creator(s).
General| Lab IDs: | CH22-NL-T1_top, CH22-NL-T1_middle, CH22-NL-T1_bottom |
| Comment: | Same as tephra TPM-094, dated at 3.9±0.8 Ma and described in Cartas Bahía Isla Blanca y Taltal. Región de Antofagasta. |
Responsible Party| Creator: | Niklas Leicher (n.leicher@uni-koeln.de) |
Collection Details| Collection Site: | CH22-NL-T1 |
| Sample Collection Method: | Manual |
| Sample Collection Date: | 27.09.2022 |
| Sampling Method: | Channel through selected sub-interval of stratum or layer |
Analysis Details| Subsample Count: | 3 |
| Subsample Info: | 1-2 m thick, subhorizontal tephra whitish ash with biotites, no evidence for interal grainsize variations (bedding, grading) Sample 1/3 (TOP) 50-60 cm thickness, powdery Sample 2/3 (MIDDLE) 5-10 cm thickness, lithified Sample 3/3 (bottom) >1 m thickness powdery unit |
| Major/Minor Element Analysis Method: | None |
| Trace Element Analysis Method: | None |
| Isotope Analysis Method: | None |
| Dating Method: | None |
