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).

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 (
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