Adak Island loc. 5 (Eocene of the United States)

Where: Alaska (52.0° N, 176.6° W: paleocoordinates 52.0° N, 176.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Andrew Lake Formation, Eocene (56.0 - 33.9 Ma)

• about 70 meters above the formation's base

Environment/lithology: marine; tuffaceous sandstone

• "turbidite deposition in a marine basin"
• yellowish-brown tuffaceous sandstone

Size class: mesofossils

Primary reference: D. W. Scholl, H. G. Greene, and M. S. Marlow. 1970. Eocene age of the Adak 'Paleozoic (?)' Rocks, Aleutian Islands, Alaska. Geological Society America Bulletin 81(12):3583-3592 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 189958: authorized by Patricia Holroyd, entered by Patricia Holroyd on 23.11.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

• sponge spicules noted in text
Gnathostomata
  -
Osteichthyes indet. bony fish
"ray-finned fish" remains