USGS M1191 - Eagle Rock section (Pliocene to of the United States)

Where: Aleutians East County, Alaska (55.8° N, 160.9° W: paleocoordinates 56.1° N, 160.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pliocene to Pliocene (5.3 - 0.0 Ma)

• From unnamed stratigraphic unit. This is the youngest collection in the region. It could hardly be older than late Miocene and is probably younger. Probably Pliocene or Pleistocene

• bed-level stratigraphic resolution

Environment/lithology: marine; poorly lithified sandstone

• No paleoenvironmental data reported.
• Soft sandstones

Size class: macrofossils

Collection methods: quarrying,

• Collections examined by F.S. MacNeil and D. Taylor (USGS), 1962. Collections are reposited at USGS Menlo Park, or presumably USNM (not reported)

Primary reference: C.A. Burk. 1965. Geology of the Alaska Peninsula-island arc and continental margin (Part 1). Geological Society of America Memoir 99(1) [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 44094: authorized by Austin Hendy, entered by Austin Hendy on 01.09.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• No other fossils mentioned.
Bivalvia
 Cardiida - Cardiidae
"Clinocardium aff. ciliatum" = Clinocardium (Ciliatocardium) ciliatum
"Clinocardium aff. ciliatum" = Clinocardium (Ciliatocardium) ciliatum Fabricius 1780 cockle
Also C. aff. chikagawasense
 Cardiida - Tellinidae
Macoma aff. brota Dall 1916 tellin clam
 Pholadida - Myidae
Mya sp. Linnaeus 1758 softshell clam
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster