Boulder tracksite is a fossil collection site in Boulder, Colorado, cataloged in the Paleobiology Database. Fossils here come from the Muddy Sandstone, dated to the Albian (113.2–100.5 million years ago). The depositional environment is recorded as coastal indet. Documented finds include Hadrosauropodus leonardii.

Geologic setting

Formation: Muddy Sandstone
Geologic interval: Albian
Age: 113.2–100.5 Ma
Depositional environment: coastal indet.
Altitude: 1624 meters
Recorded occurrences: 1

Fossils found here

Hadrosauropodus leonardii

Ornithischia · Iguanodontipodidae

Records and references

Data: Paleobiology Database collection 55197 (CC BY 4.0) — view the source record

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Questions about Boulder tracksite

Can you collect at Boulder tracksite?

It depends on who owns the land and whether a mining claim covers it. BLM land usually allows hand collecting for personal use, national parks allow none, and private land needs the owner’s permission. Pro members see the owner and any claims at this spot.

What minerals are found at Boulder tracksite?

Fossil.

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What to bring

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Meteorite nearbyA 227 kg iron meteorite was found at Bear Creek in 1866, 29 miles from here.

Source: Paleobiology Database.