Locality 11, Green Canyon, Zone "B": Gasconadian, Utah
collected by R. J. Ross, Jr. 1946-1947
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Geography
Country: | United States | State/province: | Utah | County: | Cache |
Coordinates: | 41.8° North, 111.8° West (view map) | ||||
Paleocoordinates: | 7.3° South, 82.1° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | outcrop |
Time
Period: | Ordovician | Epoch: | Early/Lower Ordovician |
Stage: | Tremadocian | 10 m.y. bin: | Ordovician 1 |
Key time interval: | Gasconadian | Trilobite zone: | Bellefontia-Xenostegium |
Age range of interval: | 485.40000 - 477.70000 m.y. ago |
Stratigraphy
Formation: | Garden City | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: Fossils from base of 306 foot interval 126 feet above base of formation. |
Lithology and environment
Primary lithology: | lithified "limestone" |
Secondary lithology: | intraclastic lithified grainstone |
Includes fossils? | Y |
Lithology description: "Interbeds of crystalline limestone, muddy, weak laminated limestone, and intraformational conglomerate in crystalline matrix; beds 1-2 feet thick." | |
Environment: | shallow subtidal indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection | ||
Reason for describing collection: | biostratigraphic analysis | ||
Museum repositories: | YPM | ||
Collectors: | R. J. Ross, Jr. | Collection dates: | 1946-1947 |
Metadata
Database number: | 103913 | ||
Authorizer: | M. Hopkins | Enterer: | M. Hopkins |
Modifier: | P. Wagner | Research group: | marine invertebrate |
Created: | 2011-02-03 07:36:48 | Last modified: | 2012-08-25 21:21:49 |
Access level: | the public | Released: | 2011-02-03 07:36:48 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
25414. | R. J., J.r. Ross. 1951. Stratigraphy of the Garden City Formation in northeastern Utah, and its trilobite faunas. Yale Peabody Museum of Natural History Bulletin 6:1-161 [S. Finnegan/S. Finnegan/P. Wagner] |