Cross-section sample
Definition
A soil sample collected to preserve the depth stratification of the profile, with distinct layers kept separate. Comparison of a questioned sample's characteristics against specific depth horizons can narrow the geographic match.
Related terms
- Chain of custody
- The unbroken documentary trail of who held a sealed exhibit, when, and under what seal, from the moment of collection through analysis...
- Control sample
- A water sample collected from the suspected drowning environment at or shortly after the time of body recovery. Its diatom assemblage is...
- Pedogenic heterogeneity
- The variation in soil properties (colour, texture, mineralogy, chemistry) over short distances, arising from differences in parent rock, drainage, vegetation, land use,...
- Persistence
- The property that friction ridge configuration remains stable from birth through death and into decomposition, as long as the papillary dermis survives....
- Transfer efficiency
- The proportion of soil available at a source location that actually moves onto the receiving surface during contact. Influenced by soil moisture,...
Explained in
- Soil and Sediment as Trace EvidenceA soil sample collected to preserve the depth stratification of the profile, with distinct layers kept separate. Comparison of a questioned sample's characteri...