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USGS M562, Mazuma Creek

Alaska
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Next site in AlaskaUSGS Mesozoic loc. 26955 · 9 mi

Can I collect here?

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See who owns this land and whether it is claimedPro shows the owner, the claim on this spot and every claim within a mile.
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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.

9 miUSGS Mesozoic loc. 26955Fossil15 miUSGS Mesozoic loc. 8567Fossil18 miAR1, Anthracite RidgeFossil

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About USGS M562, Mazuma Creek

USGS M562, Mazuma Creek is a fossil collection site in Alaska, cataloged in the Paleobiology Database. Fossils here come from the Matanuska Formation, dated to the Late Campanian (83.6–72.2 million years ago). The depositional environment is recorded as offshore. Documented finds include Diplomoceras cylindraceum, Pachydiscus (Pachydiscus) kamishakensis, Hypophylloceras (Neophylloceras) ramosum, Pseudophyllites indra, Desmophyllites diphylloides.

Geologic setting

Formation
Matanuska
Geologic interval
Late Campanian
Age
83.6–72.2 Ma
Depositional environment
offshore
Recorded occurrences
5
Locality notes

Talkeetna Mountains (A-2) quad. Mazuma Creek. Lat 62°4'50" N., long 147°50'00" W.

Fossils found here

Diplomoceras cylindraceum
Cephalopoda · Diplomoceratidae
Pachydiscus (Pachydiscus) kamishakensis
Cephalopoda · Pachydiscidae
Hypophylloceras (Neophylloceras) ramosum
Cephalopoda · Phylloceratidae
Pseudophyllites indra
Cephalopoda · Tetragonitidae
Desmophyllites diphylloides
Cephalopoda · Desmoceratidae

Records and references

Data: Paleobiology Database collection 63935 (CC BY 4.0) — view the source record

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Questions about USGS M562, Mazuma Creek

Can you collect at USGS M562, Mazuma Creek?

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 M562, Mazuma Creek?

Fossil.

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Source: Paleobiology Database.