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CHMAR-7

Chase County, Kansas
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Next site in KansasUSGS 13729, Unit C, Hughes Creek Shale member, Foraker LS formation · 0.2 mi

Can I collect here?

Pro
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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 Kansas
0.2 miUSGS 13729, Unit C, Hughes Creek Shale member, Foraker LS formationFossil5 miStrong City CemeteryFossil5 miStrong CityChalcopyrite, geode

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About CHMAR-7

CHMAR-7 is a fossil collection site in Chase, Kansas, cataloged in the Paleobiology Database. Fossils here come from the Red Eagle Limestone, dated to the Asselian (298.9–293.52 million years ago). The depositional environment is recorded as offshore and the tectonic setting is cratonic basin. Documented finds include Clavicosta, Composita subtilita, Derbyia, Reticulatia huecoensis, Hustedia mormoni, Linipalus magnispinus.

Geologic setting

Formation
Red Eagle Limestone
Geologic interval
Asselian
Age
298.9–293.52 Ma
Depositional environment
offshore
Tectonic setting
cratonic basin
Recorded occurrences
11
Locality notes

NW,SE,NW,sec.26,T19S,R7E

Fossils found here

Clavicosta
Bivalvia · Aviculopectinidae
Composita subtilita
Rhynchonellata · Athyrididae
Derbyia
Strophomenata · Derbyiidae
Reticulatia huecoensis
Strophomenata · Productidae
Hustedia mormoni
Rhynchonellata · Neoretziidae
Linipalus magnispinus
Strophomenata · Linoproductidae
Hystriculina wabashensis
Strophomenata · Paucispiniferidae
Meekella
Strophomenata · Meekellidae
Neochonetes granulifer
Strophomenata · Rugosochonetidae
Neospirifer dunbari
Rhynchonellata · Trigonotretidae
Wellerella osagensis
Rhynchonellata · Wellerellidae

Records and references

Data: Paleobiology Database collection 863 (CC BY 4.0) — view the source record

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Questions about CHMAR-7

Can you collect at CHMAR-7?

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 CHMAR-7?

Fossil.

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Meteorite nearbyA 7 kg stony meteorite was found at Elm Creek in 1906, 25 miles from here.

Source: Paleobiology Database.