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The burrow you would like to determine has a complex orientation within the sediment. How would you describe its general shape?
- Zig-zag
- Tunnel with serial shafts
- Network (The burrow branches mostly two-dimensionally, horizontal elements are dominating by far.)
- Boxwork (The borrow branches three-dimensionally, horizontal and vertical or oblique elements occur in more or less equal amounts.)
- Root-like
- Radial
- Meandering
- Spiral
- Circular, crescent
- Spherical, alveolar
- Tabular, oblate
- Cup-shaped
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