Table 1 Guideline for sampling for 10Be and 26Al
Step (after the selection of sample) |
|---|
Determine the geographical position and altitude |
Take photographs of the boulder |
Measure the dimension of the boulder |
Measure the strike and dip of the top surface |
Measure topographical shielding |
Measure local shielding |
Describe vegetation |
Describe the potential sample with its surrounding (e.g. lithology, weathering, and differential movements) |
Take photographs of the potential surface |
Take the sample (up to the required weight) |
Take the pictures of the sample and boulder after sampling |