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Nudaus Formation

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Journal Article
Journal: PALAIOS
Published: 01 December 2002
PALAIOS (2002) 17 (6): 533–544.
... stromatolites in siliciclastic environments; instead, mats are preserved as wrinkle structures on bedding surfaces. Microbial mat signatures should be widespread in siliciclastic rocks deposited before the Cambrian Period; however, siliciclastic shelf successions of the upper Neoproterozoic Nudaus Formation...
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Journal Article
Published: 01 September 2005
Geological Magazine (2005) 142 (5): 519–538.
... subbasin. Two of these are in the siliciclastic-dominated lower part of the subgroup, which consists of the Nudaus Formation and Nasep Member of the Urusis Formation and comprises two depositional sequences. Identification and correlation of these ash beds are very well known based on stratigraphic...
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FIGURE 2 —Measured stratigraphic section of the <b>Nudaus</b> <b>Formation</b> at Bullspo...
in > PALAIOS
Published: 01 December 2002
FIGURE 2 —Measured stratigraphic section of the Nudaus Formation at Bullsport. Photograph shows study site at southern rim of Naukluft Nappe Complex, and the path of measured section. WS= wrinkle structures
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FIGURE 3 —Measured stratigraphic section of the <b>Nudaus</b> <b>Formation</b> at Harugha...
in > PALAIOS
Published: 01 December 2002
FIGURE 3 —Measured stratigraphic section of the Nudaus Formation at Harughas. Photograph shows study site and the path of measured section. Sandy siltstones form gentle slopes, whereas thick sandstones produce the flat-topped summits of the hills. WS= wrinkle structures; E= Ediacaran fossils. Note
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FIGURE 6 —Detailed stratigraphic section of a part of the <b>Nudaus</b> <b>Formation</b> ...
in > PALAIOS
Published: 01 December 2002
FIGURE 6 —Detailed stratigraphic section of a part of the Nudaus Formation at Harughas. Wrinkle structures (ws) range from ‘transparent’ (rippled depositional surfaces visible below crinkles; i-iii) to ‘non-transparent’ (depositional surface underneath crinkles not visible; iv-vi)
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Stratigraphic columns documenting the positions of sampled <b>Nudaus</b> and Nasep...
Published: 01 September 2005
Figure 6. Stratigraphic columns documenting the positions of sampled Nudaus and Nasep ash beds where both beds were identified in the same section. See Figure 5 for sample locations. N.F. is Nomtsas Formation.
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Figure  2 — 1,  Stratigraphic section of the Feldschuhhorn Member, Schwarzr...
Published: 01 January 2009
Figure 2 — 1, Stratigraphic section of the Feldschuhhorn Member, Schwarzrand Subgroup; 2, Stratigraphic section of the Vingerbreek Member, Nudaus Formation, Schwarzrand Subgroup
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Winnowed preservation of  Rangea  showing the three collapsed fronds and th...
Published: 01 September 2005
Figure 7. Winnowed preservation of Rangea showing the three collapsed fronds and the sheath. Niederhagen Member of the Nudaus Formation, Namibia. SAM K4367.
Journal Article
Published: 01 January 2012
Journal of Paleontology (2012) 86 (1): 7–18.
... in the Vingerbreek Member of the Nudaus Formation of Namibia by Bouougri and Porada (2007) , which await further description. An early Cambrian shallow-marine (upper offshore to offshore transition) ichnofauna is documented from the Puncoviscana Formation of northwest Argentina. The ichnofauna consists...
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FIGURE 8 —Textures of wrinkle structures in thin-sections of beds with wrin...
in > PALAIOS
Published: 01 December 2002
FIGURE 8 —Textures of wrinkle structures in thin-sections of beds with wrinkle marks, Nudaus Formation. (A) Dark clay-rich laminae separate sandy interlayers of different grain textures. Scale: 0.5 cm. (B) Single quartz grains ‘float’ independently from one another in the dark clay-rich matrix
Journal Article
Published: 01 September 2005
Geological Magazine (2005) 142 (5): 561–569.
... ) is questionable. The lower part of the Schwarzrand Subgroup largely consists of fine shale and sandstone of the Nudaus Formation, yielding rare Pteridinium and Rangea . Crimes & Germs (1982) reported the vertical spreite-burrow Diplocraterion from the Nudaus Formation in the northern sub-basin...
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Journal Article
Published: 01 September 2005
Geological Magazine (2005) 142 (5): 465–498.
...G. GEYER Abstract The Fish River Subgroup of the Nama Group, southern Namibia, is restudied in terms of lithostratigraphy and depositional environment. The study is based on partly fine-scaled sections, particularly of the Nababis and Gross Aub Formation. The results are generally in accordance...
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Journal Article
Journal: PALAIOS
Published: 01 March 2017
PALAIOS (2017) 32 (3): 181–194.
... features suggests that, similarly to the sandstone-hosted sandstone intraclasts described by Pflüger and Gresse (1996) from the Ediacaran Nudaus Formation of Namibia and by Hagadorn and McDowell (2012) from the Cambrian Elk Mound Group of the midwestern USA, the Ediacara Member clasts were organically...
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Journal Article
Published: 01 March 2012
South African Journal of Geology (2012) 115 (1): 91–102.
... (Nudaus Formation, Schwarzrand Subgroup), in which the unconformity occurs in the Klein Karas Mountains. ( Germs, 1972 ; 1995 ; Figures 2 and 3 ). The Vingerbreek Unconformity in southern Africa is a disconformity and has not yet been found in the Witputs area and north of Bethanie...
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Journal Article
Published: 01 September 2005
Geological Magazine (2005) 142 (5): 571–582.
...Figure 7. Winnowed preservation of Rangea showing the three collapsed fronds and the sheath. Niederhagen Member of the Nudaus Formation, Namibia. SAM K4367. ...
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Journal Article
Published: 01 January 2009
Journal of Paleontology (2009) 83 (1): 110–122.
...Figure 2 — 1, Stratigraphic section of the Feldschuhhorn Member, Schwarzrand Subgroup; 2, Stratigraphic section of the Vingerbreek Member, Nudaus Formation, Schwarzrand Subgroup ...
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Journal Article
Published: 01 January 2016
American Mineralogist (2016) 101 (1): 43–70.
... of these are in the siliciclastic-dominated lower part of the subgroup, which consists of the Nudaus Formation and Nasep Member of the Urusis Formation and comprises two depositional sequences. Identification and correlation of these ash beds are very well known based on stratigraphic position. Sixteen ash beds are contained...
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Journal Article
Journal: PALAIOS
Published: 01 April 2012
PALAIOS (2012) 27 (4): 252–273.
..., from bottom to top: the Nudaus, Urusis, and Nomtsas formations. The Nudaus Formation contains two sequences of shale and sandstone, with rare occurrences of enigmatic carbonaceous tubes ( Cohen et al., 2009 ) and the Ediacaran body fossils Pteridinium and Rangea ( Grotzinger et al., 1995a ; Narbonne...
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Journal Article
Published: 01 March 2014
Journal of Paleontology (2014) 88 (2): 269–283.
..., in the Chernokamen Formation of the Central Urals, in the Dabis, Nudaus, and Urusis formations of Namibia (bracketed between U-Pb zircon dates of 547.32 ± 0.31 and 540.61 ± 0.67 Ma [ Grotzinger et al., 1995 ]) ( Hahn and Pflug, 1988 ; Germs, 1995 ; Grazhdankin, 2004 ; Grazhdankin and Seilacher, 2005...
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