JO 53, Galice Formation s.l., Josephine ophiolite (Jurassic of the United States)

Where: California (41.9° N, 123.8° W: paleocoordinates 36.5° N, 68.3° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Galice Member (Josephine Formation), Early/Lower Oxfordian (161.2 - 155.7 Ma)

• Zone 2 gamma. Age re-assigned based on Baumgartner et al. (1995) and estimated from position in section. Informal Formation name.

• bed-level stratigraphic resolution

Environment/lithology: basinal (siliceous); lithified lime mudstone and lithified chert

• Smith River Subterrane
• Thin bed of light gray pelagic limestones interbedded with dark gray siliceous mudstone, black chert and graywacke

Size class: microfossils

Preservation: original silica

Collection methods: chemical, hydrochloric,

Primary reference: E. A. Pessagno, Jr., C. D. Blome, D. M. Hull and W. M. Six. 1993. Jurassic radiolaria from the Josephine ophiolite and overlying strata, Smith River subterrane (Klamath Mountains), northwestern California and southwestern Oreg. Micropaleontology 39:93-166 [W. Kiessling/W. Kiessling/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 51660: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 09.06.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Nassellaria - Parvicingulidae
"Praeparvicingula siskiyouensis" = Praeparvicingula, "Praeparvicingula sp." = Praeparvicingula, "Praecaneta sp." = Praeparvicingula
"Praeparvicingula siskiyouensis" = Praeparvicingula radiolarian
"Praeparvicingula sp." = Praeparvicingula Pessagno et al. 1993 radiolarian
"Praecaneta sp." = Praeparvicingula Pessagno et al. 1993 radiolarian
 Spumellaria - Pantanelliidae
Gorgansium sp.
Gorgansium sp. Pessagno and Blome 1980 radiolarian