Locality 27. Chimneyhill Creek and bluff to north, 7 miles south of Ada
Pontotoc County, Oklahoma34.66667, −96.67500
Can I collect here?
ProSee who owns this land and whether it is claimedPro shows the owner, the claim on this spot and every claim within a mile.
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 mineralRecorded here: fossil.
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About Locality 27. Chimneyhill Creek and bluff to north, 7 miles south of Ada
Locality 27. Chimneyhill Creek and bluff to north, 7 miles south of Ada is a fossil collection site in Pontotoc, Oklahoma, cataloged in the Paleobiology Database. Fossils here come from the Henryhouse Formation, dated to the Pridoli (422.7–419.62 million years ago). The depositional environment is recorded as carbonate indet. Documented finds include Resserella brownsportensis, Rhipidomella henryhousensis, Isorthis (Arcualla) arcuaria, Ptychopleurella, Sieberella, Anastrophia.
Geologic setting
- Formation
- Henryhouse
- Geologic interval
- Pridoli
- Age
- 422.7–419.62 Ma
- Depositional environment
- carbonate indet.
- Recorded occurrences
- 14
Locality notes
center E½ SE ¼ sec. 5, and NW½ SW¼ sec. 4, T. 2 N., R. 6 E.
Fossils found here
Resserella brownsportensis
Rhynchonellata · Dalmanellidae
Rhipidomella henryhousensis
Rhynchonellata · Rhipidomellidae
Isorthis (Arcualla) arcuaria
Rhynchonellata · Dalmanellidae
Ptychopleurella
Rhynchonellata · Hesperorthidae
Sieberella
Rhynchonellata · Gypidulidae
Anastrophia
Rhynchonellata · Parastrophinidae
Lissostrophia cooperi
Strophomenata · Strophodontidae
Fardenia
Strophomenata · Chilidiopsidae
Leptaena oklahomensis
Strophomenata · Rafinesquinidae
Atrypa
Rhynchonellata · Atrypidae
Nucleospira
Rhynchonellata · Nucleospiridae
Lissatrypa
Rhynchonellata · Lissatrypidae
Merista oklahomensis
Rhynchonellata · Meristidae
Homoeospira
Rhynchonellata · Rhynchospirinidae
Records and references
Data: Paleobiology Database collection 170263 (CC BY 4.0) — view the source record
Getting there
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Questions about Locality 27. Chimneyhill Creek and bluff to north, 7 miles south of Ada
Can you collect at Locality 27. Chimneyhill Creek and bluff to north, 7 miles south of Ada?
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 Locality 27. Chimneyhill Creek and bluff to north, 7 miles south of Ada?
Fossil.
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Source: Paleobiology Database.