Rockhounding.org

KJ87109

Slope County, North Dakota
Directions
Next site in North DakotaKJ87110 · 0.2 mi

Can I collect here?

Pro
See who owns this land and whether it is claimedPro shows the owner, the claim on this spot and every claim within a mile.
Read the collecting rules by land type

Based on our latest records, with claims updated from the BLM on Oct 9, 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
0.2 miKJ87110Fossil0.4 miKJ87103Fossil0.8 miKJ88114Fossil

More fossil sites in North Dakota

See them all

More sites in North Dakota

View all North Dakota sites
The Market

New on the Market

Native American arrowheadNative American arrowhead$20cubedmoons3Browse the Market

Found something here? List it for sale

About KJ87109

KJ87109 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 Dryophyllum subfalcatum, Araliaephyllum, Metasequoia.

Geologic setting

Formation
Hell Creek
Geologic interval
Lancian
Age
72.2–66 Ma
Depositional environment
fine channel fill
Tectonic setting
cratonic basin
Altitude
2770
Recorded occurrences
4
Locality notes

Marmarth SE 7.5'

Fossils found here

Dryophyllum subfalcatum
NO_CLASS_SPECIFIED · Nothofagaceae
Araliaephyllum
NO_CLASS_SPECIFIED · Araliaceae
Metasequoia
NO_CLASS_SPECIFIED · Cupressaceae

Records and references

Data: Paleobiology Database collection 48222 (CC BY 4.0) — view the source record

Getting there

No directions yet.

How hard is it?

Getting there
– / 5
Finding anything
– / 5
Votes
0

Trip reports

No trip reports yet.

Questions about KJ87109

Can you collect at KJ87109?

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 KJ87109?

Fossil.

Comments

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

No comments yet.

What to bring

The whole kit
  • Estwing E3-22P Rock PickThe industry-standard 22oz geological hammer. One-piece forged steel with shock-reduction grip.See it on AmazonCompare picks
  • Clear Anti-Fog Safety Glasses (4 Pack)Adjustable, anti-fog lenses for clear vision in any conditions.See it on AmazonCompare picks
  • Watertight Medical KitCompact, waterproof first aid kit with bandages, moleskin, and field essentials.See it on AmazonCompare picks
  • Northwest Treasure Hunter's Gem and Mineral GuideWhether you're digging for the first time or are an experienced rockhound or "prospector," with a simple rock hammer and...See it on Amazon

As an Amazon Associate we earn from qualifying purchases.

Source: Paleobiology Database.