Colorado Fossil Cone
Mesozoic-Cenozoic
About Colorado Fossil Cone
The Colorado Fossil Cone is a plant fossil dating to the Mesozoic-Cenozoic. Fossil Cone is a realistic Colorado fossil profile built around cone or seed structure preserved in lacustrine mudstones or silicified deposits. In this state, success usually comes from learning Morrison outcrops, Green River beds, and uplifted marine limestones, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
“According to TroveRadar, Colorado Fossil Cone fossils from the Mesozoic-Cenozoic are found across Colorado. TroveRadar's field database catalogs 696+ fossil entries for identification and collection guidance.”
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Colorado state guide
Fossil collecting rules in Colorado 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 Morrison dinosaur beds and Eocene lake fossils.
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Trail and ground routes
Trail: Dinosaur Ridge
Fossil Bed • Site-specific opportunities, Historic landscape clues
Trail: Florissant Fossil Beds National Monument
Fossil Bed • Site-specific opportunities, Historic landscape clues
Location: Arapaho and Roosevelt National Forests
National Forest • Seasonal edible mushrooms, Common invertebrate fossils in float
Location: San Isabel National Forest
National Forest • Seasonal edible mushrooms, Common invertebrate fossils in float
Identification Tips
- ●overlapping scales
- ●cone symmetry
- ●woody or silicified tissue
- ●Check Morrison outcrops, Green River beds, and uplifted marine limestones
Where Found
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Nevada Petrified Wood
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Utah Petrified Wood
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Petrified Wood is a realistic Utah fossil profile built around silicified wood preserving grain, bark, or growth-ring patterns. In this state, success usually comes from learning badlands mudstones, petrified wood flats, and playa margins, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.
New Mexico Petrified Wood
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Washington Petrified Wood
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Petrified Wood is a realistic Washington fossil profile built around silicified wood preserving grain, bark, or growth-ring patterns. 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.
Oregon Petrified Wood
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Petrified Wood is a realistic Oregon fossil profile built around silicified wood preserving grain, bark, or growth-ring patterns. 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.