Iowa Trace Fossil Burrow Identification
Trace Fossil Burrow is a realistic Iowa fossil profile built around tube or tunnel made by ancient invertebrates in soft sediment. In this state, success usually comes from learning Silurian and Devonian limestones, shale cuts, and glacial gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
Key Traits
- ●lined burrow
- ●repeating tube geometry
- ●different fill than host rock
- ●Check Silurian and Devonian limestones, shale cuts, and glacial gravels
Era
Various
Type
trace fossil
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