M-11, Marble Mountains: Delamaran, California
collected by J. C. Hazzard 1930

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Redlichiida - Olenellidae
Mesonacis aff. fremonti (Walcott 1910)
see common names

Geography
Country:United States State/province:California County:San Bernardino
Coordinates: 34.6° North, 115.5° West (view map)
Paleocoordinates:2.1° South, 96.8° West
Time
Period:Cambrian
10 m.y. bin:Cambrian 3
Key time interval:Delamaran
Age range of interval:511.00000 - 506.50000 m.y. ago
Stratigraphy
Formation:Cadiz
Stratigraphy comments: Lower Cambrian. Fossil from base of shale above algal limestone at top of mapped Lower Cambrian.
Lithology and environment
Primary lithology: "shale"
Secondary lithology:stromatolitic lithified "limestone"
Includes fossils?Y
Lithology description: Fossil from base of shale above algal limestone at top of mapped Lower Cambrian.
Environment:carbonate indet. Tectonic setting:passive margin
Taphonomy
Modes of preservation:body,cast,mold/impression
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:general faunal/floral analysis
Collectors:J. C. Hazzard Collection dates:Summer, 1930
Collection method comments: In the course of the investigation fossils were collected from the Lower and Middle Cambrian rocks in the area immediately north of Cadiz, California, and from the Lower Cambrian formations exposed at the west base of the Providence Mountains east of Kelso, about 30 miles north of Cadiz. These collections were studied by Dr. Colin Crickmay, University of Illinois, who has written the report on the paleontology.
Metadata
Database number:219692
Authorizer:J. Marcot Enterer:J. Marcot
Modifier:J. Marcot Research group:marine invertebrate
Created:2021-04-18 15:15:46 Last modified:2021-04-18 15:26:54
Access level:the public Released:2021-04-18 15:15:46
Creative Commons license:CC BY
Reference information

Primary reference:
76495. J. C. Hazzard and C. H. Crickmay. 1933. Notes on the Cambrian rocks of the eastern Mohave Desert, California . University of California Publications Bulletin of the Department of Geological Sciences 23(2):57-80 [J. Marcot/J. Marcot]