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KJ86158

Slope County, North Dakota
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Next site in North DakotaNDGS96-23.1 · 0.7 mi

Can I collect here?

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Based on our latest records, with claims updated from the BLM on Oct 3, 2026. Land and claims can change quickly, so check before you go.

Minerals on record here

1 mineral

Recorded here: fossil.

Nearby sites

All of North Dakota
0.7 miNDGS96-23.1Fossil3 miKJ86119Fossil3 miKJ86108Fossil

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About KJ86158

KJ86158 is a fossil collection site in Slope, North Dakota, cataloged in the Paleobiology Database. Fossils here come from the Hell Creek Formation, dated to the Lancian (72.2–66 million years ago). The depositional environment is recorded as fine channel fill and the tectonic setting is cratonic basin. Documented finds include Platanites marginata, Grewiopsis, Ficus planicostata, Dicotyledoneae, Ulmaceae, Magnoliid.

Geologic setting

Formation
Hell Creek
Geologic interval
Lancian
Age
72.2–66 Ma
Depositional environment
fine channel fill
Tectonic setting
cratonic basin
Altitude
2860
Recorded occurrences
13
Locality notes

Marmarth 7.5'

Fossils found here

Platanites marginata
NO_CLASS_SPECIFIED · Platanaceae
Grewiopsis
NO_CLASS_SPECIFIED · Tiliaceae
Ficus planicostata
NO_CLASS_SPECIFIED · Moraceae
Dicotyledoneae
Dicotyledoneae
Ulmaceae
NO_CLASS_SPECIFIED · Ulmaceae
Magnoliid
Angiospermae
Dryophyllum
NO_CLASS_SPECIFIED · Nothofagaceae
Rosidae
Magnoliopsida
Platanaceae
NO_CLASS_SPECIFIED · Platanaceae
Marmarthia trivialis
NO_CLASS_SPECIFIED · Lauraceae
Paranymphaea
NO_CLASS_SPECIFIED · Nymphaeaceae
Amesoneuron
NO_CLASS_SPECIFIED · Arecaceae

Records and references

Data: Paleobiology Database collection 48195 (CC BY 4.0) — view the source record

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Questions about KJ86158

Can you collect at KJ86158?

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 KJ86158?

Fossil.

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Source: Paleobiology Database.