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Mifflin Sand Quarry, McVeytown, PA (Locality 5), Onondaga Limestone

Mifflin County, Pennsylvania
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Next site in PennsylvaniaGranville · 4 mi

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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.

4 miGranvilleFossil17 miSherman ValleyCalcite, chlorite, orthoclase +417 miMapletonQuartz

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About Mifflin Sand Quarry, McVeytown, PA (Locality 5), Onondaga Limestone

Mifflin Sand Quarry, McVeytown, PA (Locality 5), Onondaga Limestone is a fossil collection site in Mifflin, Pennsylvania, cataloged in the Paleobiology Database. Fossils here come from the Onondaga Formation, dated to the Eifelian (393.47–387.95 million years ago). The depositional environment is recorded as deep subtidal shelf and the tectonic setting is foreland basin. Documented finds include Aparchites, Bollia, Octonaria quadricostata, Thlipsurella, Ponderodictya, Orbiculoidea.

Geologic setting

Formation
Onondaga
Geologic interval
Eifelian
Age
393.47–387.95 Ma
Depositional environment
deep subtidal shelf
Tectonic setting
foreland basin
Recorded occurrences
9
Locality notes

Mifflin Sand Quarry, just west of highway to Lewistown, three miles northeast of McVeytown, PA; coordinates based on location relative to McVeytown and Lockport, PA.

Fossils found here

Aparchites
Ostracoda · Aparchitidae
Bollia
Ostracoda · Bolliidae
Octonaria quadricostata
Ostracoda · NO_FAMILY_SPECIFIED
Thlipsurella
Ostracoda · Thlipsuridae
Ponderodictya
Ostracoda · Healdiidae
Orbiculoidea
Lingulata · Discinidae
Chonetes
Strophomenata · Chonetidae
Rhipidomella vanuxemi
Rhynchonellata · Rhipidomellidae
Atlanticocoelia acutiplicata
Rhynchonellata · NO_FAMILY_SPECIFIED

Records and references

Data: Paleobiology Database collection 9524 (CC BY 4.0) — view the source record

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Questions about Mifflin Sand Quarry, McVeytown, PA (Locality 5), Onondaga Limestone

Can you collect at Mifflin Sand Quarry, McVeytown, PA (Locality 5), Onondaga Limestone?

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 Mifflin Sand Quarry, McVeytown, PA (Locality 5), Onondaga Limestone?

Fossil.

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Source: Paleobiology Database.