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USGS Mesozoic D5427

Garfield County, Utah
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Next site in UtahEscalante · 5 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.

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About USGS Mesozoic D5427

USGS Mesozoic D5427 is a fossil collection site in Garfield, Utah, cataloged in the Paleobiology Database. Fossils here come from the Straight Cliffs Formation, dated to the Middle Turonian to Early Campanian (93.9–72.2 million years ago). The depositional environment is recorded as marine indet. Documented finds include Inoceramus (Volviceramus) koeneni, Inoceramus albertensis, Phygraea newberryi, Exogyra, Euspira, Arrhoges.

Geologic setting

Formation
Straight Cliffs
Geologic interval
Middle Turonian to Early Campanian
Age
93.9–72.2 Ma
Depositional environment
marine indet.
Recorded occurrences
8
Locality notes

SW 1/4 sec. 12, T. 36 S., R. 1. E., Garfield County; strat section 82 in Peterson (1969)

Fossils found here

Inoceramus (Volviceramus) koeneni
Bivalvia · Inoceramidae
Inoceramus albertensis
Bivalvia · Inoceramidae
Phygraea newberryi
Bivalvia · Gryphaeidae
Exogyra
Bivalvia · Gryphaeidae
Euspira
Gastropoda · Naticidae
Arrhoges
Gastropoda · Aporrhaidae
Sciponoceras gracile
Cephalopoda · Baculitidae
Metoicoceras geslinianum
Cephalopoda · Acanthoceratidae

Records and references

Data: Paleobiology Database collection 100218 (CC BY 4.0) — view the source record

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Questions about USGS Mesozoic D5427

Can you collect at USGS Mesozoic D5427?

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 USGS Mesozoic D5427?

Fossil.

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Source: Paleobiology Database.