USGS 649, Raging River Formation, Hobart quadrangle (Eocene to of the United States)

Also known as USGS 649

Where: King County, Washington (47.5° N, 121.9° W: paleocoordinates 49.1° N, 106.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Raging River Formation, Lutetian to Lutetian (47.8 - 38.0 Ma)

• Formely included in Puget Group, but regarded as distinct due to lack of coal facies. Oldest sedimentary rocks in the Tiger Mountain-Taylor Mountain upland area. MacNeil (written communication) stated that there was little doubt this is a middle Eocene fauna. Probably equivalent to part of the McIntosh Formation of western Washington.

• bed-level stratigraphic resolution

Environment/lithology: marine; medium-grained, coarse, glauconitic, volcaniclastic, gray, green sandstone

• No paleoenvironmental data presented.
• Sandstone, volcaniclastic, medium-coarse-grained, gray to greenish gray, cemented with a green mineral (glauconite?)

Size class: macrofossils

Reposited in the USGS

Collection methods: quarrying,

• No repository for collection listed, but likely to be USNM.

Primary reference: J. D. Vine. 1969. Geology and coal resources of the Cumberland. Hobart, and Maple Valley Quadrangles, King County, Washington. United States Geological Survey Professional Paper 624:1-67 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 43340: authorized by Austin Hendy, entered by Austin Hendy on 12.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for mollusca. Mollusca identified by MacNeil (1959, 1960)
Foraminifera
 Globigerinaceae - Heterohelicidae
Globothalamea
 Rotaliida - Cibicididae
 Rotaliida - Discorbidae
 Rotaliida - Gavelinellidae
Gyroidina orbicularis d'Orbigny 1865
Subspecies: G. orbicularis planata
Tubothalamea
 Miliolida - Hauerinidae
Foraminifera
 Buliminoidea - Buliminidae
  -
"Marginulina subbulata" = Cristellaria (Marginulina)
"Marginulina subbulata" = Cristellaria (Marginulina)
Nodosariata
 Nodosariida - Nodosariidae
Robulus sp. Montfort 1808
Listed as "Robulu spp."
Dentalina sp. d'Orbigny 1826
Listed as "Dentalina spp."
Foraminifera
 Lituolida - Lituolidae
Gaudryina jacksonensis Cushman 1926
Subspecies: Gaudryina jacksonensis coalingensis
Cyclammina sp. Brady 1876
Gastropoda
 Cerithioidea - Turritellidae
Turritella wasana turret shell
Subspecies: Turritella wasana cf. hendoni
 Sorbeoconcha - Ficidae
"Ficopsis cf. redmondi" = Ficus
"Ficopsis cf. redmondi" = Ficus fig shell
Subspecies: Ficopsis cf. redmondi crescentensis
Bivalvia
 Cardiida - Veneridae
Nitidavenus cf. conradi Dickerson 1916 venus clam
Pitar (Lamelliconcha) avenalensis Vokes 1939 venus clam
 Cardiida - Tellinidae
Tellina soledadensis Hanna 1927 tellin clam
 Carditida - Carditidae
 Mytilida - Mytilidae
"Mytilus dichotomus" = Brachidontes (Brachidontes) cooperi
"Mytilus dichotomus" = Brachidontes (Brachidontes) cooperi Moore 1983 mussel