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Ashael Lyman's, Northampton tracksite

Hampden County, Massachusetts
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Next site in MassachusettsSmith's Ferry tracksite · 0.7 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

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0.7 miSmith's Ferry tracksiteFossil0.7 miquarry opposite Smith's Ferry, tracksiteFossil1 miMount Tom, "Ostrom Bed"Fossil

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About Ashael Lyman's, Northampton tracksite

Ashael Lyman's, Northampton tracksite is a fossil collection site in Hampden, Massachusetts, cataloged in the Paleobiology Database. Fossils here come from the Portland Formation, dated to the Hettangian to Sinemurian (201.4–192.9 million years ago). The depositional environment is recorded as lacustrine - small. Documented finds include Grallator tuberosus, Eubrontes minusculus, Steropoides ingens, Eubrontes giganteus, Anomoepus, Eubrontes sillimani.

Geologic setting

Formation
Portland
Geologic interval
Hettangian to Sinemurian
Age
201.4–192.9 Ma
Depositional environment
lacustrine - small
Altitude
43 meters
Recorded occurrences
15
Geology notes

shallow lake and playa

Locality notes

E slope of Mt. Tom uplift, W bank of Connecticut River; between ridges of trap near Ashael Lyman's, in Northampton; now the Dinosaur Footprint Reservation; near retaining wall for Rte 5

Fossils found here

Grallator tuberosus
Reptilia · Grallatoridae
Eubrontes minusculus
Reptilia · Grallatoridae
Steropoides ingens
Reptilia · NO_FAMILY_SPECIFIED
Eubrontes giganteus
Reptilia · Grallatoridae
Anomoepus
Ornithischia · Moyenisauropodidae
Eubrontes sillimani
Reptilia · Grallatoridae
Eubrontes
Reptilia · Grallatoridae
Steropoides divaricatus
Reptilia · NO_FAMILY_SPECIFIED
Polemarchus dananus
Reptilia · NO_FAMILY_SPECIFIED
Eubrontes expansus
Reptilia · Grallatoridae

Records and references

Data: Paleobiology Database collection 53025 (CC BY 4.0) — view the source record

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Questions about Ashael Lyman's, Northampton tracksite

Can you collect at Ashael Lyman's, Northampton tracksite?

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 Ashael Lyman's, Northampton tracksite?

Fossil.

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Meteorite nearbyA 353 g iron meteorite was found at Northampton in 1963, 4 miles from here.

Source: Paleobiology Database.