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Tecnocyrtina fauna, Gizzard Creek Mbr., Coralville Fmn., Glory Quarry

Black Hawk County, Iowa
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Next site in IowaRiverview Recreation Area · 1 mi

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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 Iowa
1 miRiverview Recreation AreaGeode5 miBlack Hawk CountyColdwater Agate12 miLa Porte CityAgate

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About Tecnocyrtina fauna, Gizzard Creek Mbr., Coralville Fmn., Glory Quarry

Tecnocyrtina fauna, Gizzard Creek Mbr., Coralville Fmn., Glory Quarry is a fossil collection site in Black Hawk, Iowa, cataloged in the Paleobiology Database. Fossils here come from the Coralville Formation, dated to the Late Givetian (383.4–382.31 million years ago). The depositional environment is recorded as marine indet. Documented finds include Tecnocyrtina, Athyris, Desquamatia (Independatrypa), Crinoidea, Stromatoporoidea.

Geologic setting

Formation
Coralville
Geologic interval
Late Givetian
Age
383.4–382.31 Ma
Depositional environment
marine indet.
Recorded occurrences
6
Geology notes

Said by author to be in transgressive part of cycle.

Locality notes

Glory Quarry, SE corner of Black Hawk County (basis of coordinates).

Fossils found here

Tecnocyrtina
Rhynchonellata · Cyrtinidae
Athyris
Rhynchonellata · Athyrididae
Desquamatia (Independatrypa)
Rhynchonellata · Atrypidae
Crinoidea
Crinoidea
Stromatoporoidea
Stromatoporoidea

Records and references

Data: Paleobiology Database collection 35477 (CC BY 4.0) — view the source record

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Questions about Tecnocyrtina fauna, Gizzard Creek Mbr., Coralville Fmn., Glory Quarry

Can you collect at Tecnocyrtina fauna, Gizzard Creek Mbr., Coralville Fmn., Glory Quarry?

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 Tecnocyrtina fauna, Gizzard Creek Mbr., Coralville Fmn., Glory Quarry?

Fossil.

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Source: Paleobiology Database.