Leavenworth Cass NE Outcrop, Locality 25 is a fossil collection site in Cass, Nebraska, cataloged in the Paleobiology Database. Fossils here come from the Oread Limestone, dated to the Virgilian (303.7–298.9 million years ago). The depositional environment is recorded as platform/shelf-margin reef. Documented finds include Nankinella, Millerella, Triticites, Kansanella, Apterrinella, Tuberitina.

Geologic setting

Formation: Oread Limestone
Geologic interval: Virgilian
Age: 303.7–298.9 Ma
Depositional environment: platform/shelf-margin reef
Recorded occurrences: 19

Geology notes

Leavenworth limestone was deposited in a relatively shallow water on a broad, slowly subsiding, carbonate platform

Locality notes

NE 1/4 SE 1/4 sec. 10, T. 10 N., R. 12 E., Cass County, Nebraska. Exposure in old partiaööy abandoned Snyderville Quarries

Fossils found here

Nankinella

NO_CLASS_SPECIFIED · Staffellidae

Millerella

NO_CLASS_SPECIFIED · Eostaffellidae

Triticites

NO_CLASS_SPECIFIED · Schwagerinidae

Kansanella

NO_CLASS_SPECIFIED · NO_FAMILY_SPECIFIED

Apterrinella

Tubothalamea · Cornuspiridae

Tuberitina

Fusulinata · Tuberitinidae

Tetrataxis

Fusulinata · Tetrataxidae

Climacammina

Fusulinata · Palaeotextulariidae

Bradyina magna

Fusulinata · Bradyinidae

Globivalvulina bulloides

Fusulinata · Biseriamminidae

Endothyra

NO_CLASS_SPECIFIED · Endothyridae

Hemigordius

Tubothalamea · Cornuspiridae

Syzrania

NO_CLASS_SPECIFIED · Syzraniidae

Hyperammina

NO_CLASS_SPECIFIED · Hyperamminidae

Ammobaculites

NO_CLASS_SPECIFIED · Lituolidae

Textularia

NO_CLASS_SPECIFIED · Textulariidae

Adetognathus

Conodonta · Cavusgnathidae

Records and references

Data: Paleobiology Database collection 217126 (CC BY 4.0) — view the source record

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Questions about Leavenworth Cass NE Outcrop, Locality 25

Can you collect at Leavenworth Cass NE Outcrop, Locality 25?

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 Leavenworth Cass NE Outcrop, Locality 25?

Fossil.

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What to bring

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Meteorite nearbyA 10 kg stony meteorite fell at Eagle, 28 miles from here.

Source: Paleobiology Database.