Striation Mark
Definition
A scratch pattern made when a tool slides across a softer surface. Pry bar dragging across painted wood, blade cut, a screwdriver tip slipping in a strike plate.
Related terms
- Class Characteristics
- Features deliberately or systematically imparted to a group of items by design or manufacture, such as the calibre of a bullet, the...
- Dynamic Mark
- A combination of compression and sliding in one contact. The most common real-world tool mark and the hardest to reproduce in test...
- Impression Mark
- A compression mark made when a tool meets a softer surface with no relative motion. Hammer face on brass, plier jaw crimping...
- Individual Characteristics
- Surface features on a fired bullet or cartridge case that arise from random or unique events (tool wear, corrosion, service damage) and...
- Test Mark
- A reference mark deliberately made with a suspect tool against a soft medium (lead, clay, aluminium) so it can be compared against...
Explained in
- Tool Mark Evidence: Types, Comparison Principles and CollectionA scratch pattern made when a tool slides across a softer surface. Pry bar dragging across painted wood, blade cut, a screwdriver tip slipping in a strike plat...