Rietoog, Driedoornvlagte pinnacle reef complex: Ediacaran, Namibia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Namapoikia rietoogensis n. gen., n. sp.
Wood et al. 2002
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informal Thrombolite indet.
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informal Stromatolite indet.
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Cloudinidae
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Cloudina sp.
Germs 1972
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unclassified
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Namacalathus sp.
Grotzinger et al. 2000
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see common names |
Geography
Country: | Namibia |
Coordinates: | 23.9° South, 16.7° East (view map) |
Paleocoordinates: | 41.4° South, 179.2° West |
Basis of coordinate: | stated in text |
Geographic resolution: | outcrop |
Time
Period: | Ediacaran |
Key time interval: | Ediacaran |
Age range of interval: | 635.00000 - 541.00000 m.y. ago |
Stratigraphy
Lithology and environment
Primary lithology: | lithified "limestone" |
Includes fossils? | Y |
Lithology description: The reef complex is over 300 m thick and at least 7 km long. Bioherms individually form elliptical mounds that reach up to 20 m in diameter, 5 to 10 m in width, and 5 m in height. Bioherm cores were constructed by massive thrombolites, often with entrapped Namacalathus; the outer layers consist of stromatolites up to 0.75 m thick. Fissures are abundant and occur with a spacing of up to three per meter. Remaining void space is filled with large neomorphosed aragonitic botryoids up to 15 mm in radius. | |
Environment: | reef, buildup or bioherm |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Also known as: | Reef 4124 | ||
Database number: | 113370 | ||
Authorizer: | W. Kiessling | Enterer: | U. Merkel |
Modifier: | M. Krause | Research group: | marine invertebrate |
Created: | 2011-07-28 23:20:32 | Last modified: | 2018-01-29 09:21:58 |
Access level: | authorizer only | Released: | 2012-07-28 23:20:32 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
36793. | R. A. Wood, J. P. Grotzinger, and J. A. D. Dickson. 2002. Proterozoic Modular Biomineralized Metazoan from the Nama Group, Namibia. Science 296(5577):2383-2386 [W. Kiessling/U. Merkel] |