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Mapes OKM-23

Osage County, Oklahoma
Directions
Next site in OklahomaMapes OKM-21 · 16 mi

Can I collect here?

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See who owns this land and whether it is claimedPro shows the owner, the claim on this spot and every claim within a mile.
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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.

16 miMapes OKM-21Fossil18 miHMY 1. Exposed old excavation and pond NE of abandoned race trackFossil23 miMapes OKM-47Fossil

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About Mapes OKM-23

Mapes OKM-23 is a fossil collection site in Osage, Oklahoma, cataloged in the Paleobiology Database. Fossils here come from the Iola Formation, dated to the Missourian (306–303.7 million years ago). The depositional environment is recorded as marine indet and the tectonic setting is cratonic basin. Documented finds include Pseudorthoceras knoxense.

Geologic setting

Formation
Iola
Geologic interval
Missourian
Age
306–303.7 Ma
Depositional environment
marine indet.
Tectonic setting
cratonic basin
Recorded occurrences
1
Locality notes

From spillway for Candy Creek reservoir, NWNW sec. 9, T23N, R12E, Avant 7.5 Quadrangle, Osage County

Fossils found here

Pseudorthoceras knoxense
Cephalopoda · Pseudorthoceratidae

Records and references

Data: Paleobiology Database collection 92865 (CC BY 4.0) — view the source record

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Questions about Mapes OKM-23

Can you collect at Mapes OKM-23?

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 Mapes OKM-23?

Fossil.

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Meteorite nearbyA 787 g stony meteorite was found at Keystone Lake in 2003, 27 miles from here.

Source: Paleobiology Database.