H-13: Blackhillsian, Utah
collected by L.F. Hintze

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
? Bryozoa indet. Ehrenberg 1831
Hintze 1953
Trilobita - Asaphida - Asaphidae
Trigonocerca sp. Ross 1951
Hintze 1953 R category
see common names

Geography
Country:United States State/province:Utah County:Millard
Coordinates: 38.8° North, 113.5° West (view map)
Paleocoordinates:7.4° South, 83.0° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Ordovician Epoch:Early/Lower Ordovician
Stage:late Early Ordovician 10 m.y. bin:Ordovician 2
Key time interval:Blackhillsian Trilobite zone: H
Age range of interval:478.60000 - 471.80000 m.y. ago
Stratigraphy
Formation:Fillmore Limestone
Local section:Ibex, section H Regional bed:300.4 ft
Regional order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Ibexian; Blackhillsian
Lithology and environment
Primary lithology: lithified conglomerate
Lithology description: flat-pebble; quartz-rich; grey; calcarenite matrix
Environment:open shallow subtidal Tectonic setting:passive margin
Geology comments: carbonate ramp, above wave base
Taphonomy
Modes of preservation:body,replaced with silica
Size of fossils:macrofossils
Collection methods and comments
Collection methods:bulk,field collection
Reason for describing collection:biostratigraphic analysis
Collectors:L.F. Hintze
Metadata
Also known as:SF 332
Database number:104117
Authorizer:S. Finnegan, M. Hopkins Enterer:S. Finnegan, M. Hopkins
Modifier:J. Alroy Research group:marine invertebrate
Created:2011-02-07 12:04:21 Last modified:2011-02-06 19:04:21
Access level:the public
Creative Commons license:CC BY
Reference information

Primary reference:

18349. L.F. Hintze. 1951. Lower Ordovician detailed stratigraphic sections for western Utah. Utah Geological and Mineralogical Survey Bulletin 39:99 p. [A. Miller/A. Miller]

Secondary references:

18329 L. F. Hintze. 1953. Lower Ordovician trilobites from western Utah and eastern Nevadea. Utah Geological and Mineralogical Survey Bulletin 48:249 p. [A. Miller/A. Miller/P. Novack-Gottshall]