Passaic
52 occ.
13 taxa (4 genera)
1 countries
Description
The Passaic Formation is a mapped bedrock unit in Pennsylvania, New Jersey, and New York. It was previously known as the Brunswick Formation since it was first described in the vicinity of New Brunswick, New Jersey. It is now named for the city of Passaic, New Jersey, which is near where its type section was described by paleontologist Paul E. Olsen.
Genera
4 genera
Temporal range
252
201
145
66
0 Ma
Geological group / Member
Chatham
20
Chatham / Perkasie
14
Chatham / Graters
4
Chatham / Kilmer
4
Chatham / Cedar Grove
4
Chatham / Ukrainian
2
Chatham / TT/Pine Ridge
2
Chatham / F
1
Chatham / NN/OO
1
Top countries
🇺🇸 United States
52
Depositional environments
Terrestrial indet.
33
Lacustrine indet.
19
Top collectors
S. Clark
11
J. Eyerman
11
Blackbeer
4
Resch
4
W. Covington
3
E. Poole
2
P. E. Olsen
2
S. Silvestri
2
Collection activity by decade
1880s
22
1930s
2
1960s
4
1970s
5
1980s
1
1990s
3