Hayward's Quarry, Massachussets - Braintree Member is a fossil collection site in Massachusetts, cataloged in the Paleobiology Database. Fossils here come from the Chamberlain's Brook Formation, dated to the St Davids (506.5–497 million years ago). The depositional environment is recorded as marine indet. Documented finds include Condylopyge, Agnostida, Dawsonia dawsoni, Kingaspis avalonensis, Paradoxides (Hydrocephalus) harlani, Braintreella rogersi.

Geologic setting

Formation: Chamberlain's Brook
Geologic interval: St Davids
Age: 506.5–497 Ma
Depositional environment: marine indet.
Recorded occurrences: 7

Geology notes

Oxic bottom environment.

Locality notes

Hayward's Quarry, southwest border of Quincy, Massachusetts, with the city of Braintree. The quarry was close to a tidal creek known as Hayward's Creek and located between Wymouth Fore River on th east and East Howard Street to the west. The Quincy shipyard was extended over the quarry during WWII and additional material cannot be collected. Lat/long estimate based on town of Braintree.

Fossils found here

Condylopyge

Artiopoda · Condylopygidae

Agnostida

Artiopoda

Dawsonia dawsoni

Artiopoda · Eodiscidae

Kingaspis avalonensis

Trilobita · Ellipsocephalidae

Paradoxides (Hydrocephalus) harlani

Trilobita · Paradoxididae

Braintreella rogersi

Trilobita · Ptychopariidae

Agraulos quadrangularis

Trilobita · Agraulidae

Records and references

Data: Paleobiology Database collection 49340 (CC BY 4.0) — view the source record

Getting there

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Questions about Hayward's Quarry, Massachussets - Braintree Member

Can you collect at Hayward's Quarry, Massachussets - Braintree Member?

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 Hayward's Quarry, Massachussets - Braintree Member?

Fossil.

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Source: Paleobiology Database.