Idaho Fossil Leaf Impression
Paleogene-Neogene
About Idaho Fossil Leaf Impression
The Idaho Fossil Leaf Impression is a plant fossil dating to the Paleogene-Neogene. Fossil Leaf Impression is a realistic Idaho fossil profile built around leaf compression or impression preserved in fine lake or floodplain sediments. In this state, success usually comes from learning marine shales, volcanic ash beds, and river gravels, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
“According to TroveRadar, Idaho Fossil Leaf Impression fossils from the Paleogene-Neogene are found across Idaho. TroveRadar's field database catalogs 696+ fossil entries for identification and collection guidance.”
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Idaho state guide
Fossil collecting rules in Idaho vary by land status and fossil type. Common invertebrate fossils may be collectible on some public lands, but vertebrate fossils, protected park units, tribal lands, and cultural sites require a much higher level of care and often a permit. This is especially relevant in Miocene lake beds and river gravels.
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Location: Boise National Forest
National Forest • Seasonal edible mushrooms, Common invertebrate fossils in float
Location: Payette National Forest
National Forest • Seasonal edible mushrooms, Common invertebrate fossils in float
Location: Salmon-Challis National Forest
National Forest • Seasonal edible mushrooms, Common invertebrate fossils in float
Location: Coeur d'Alene National Forest
National Forest • Seasonal edible mushrooms, Common invertebrate fossils in float
Identification Tips
- ●vein pattern
- ●thin carbon film
- ●flat bedding-plane preservation
- ●Check marine shales, volcanic ash beds, and river gravels
Where Found
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