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Fransfontein Ridge

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<span class="search-highlight">Fransfontein</span> <span class="search-highlight">Ridge</span> (Namibia) geology in the vicinity of sample DW-1. See  F...
Published: 01 August 2016
Figure 2. Fransfontein Ridge (Namibia) geology in the vicinity of sample DW-1. See Figure 1 for location. Fm—formation; ls—limestone; ds—dolostone.
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Simplified stratigraphy of the <span class="search-highlight">Fransfontein</span> <span class="search-highlight">Ridge</span> area around Duurwater and...
Published: 01 August 2016
Figure 3. Simplified stratigraphy of the Fransfontein Ridge area around Duurwater and the Navachab area, Namibia (for details of Navachab, see Hoffmann et al., 2004 ); left column is a detailed section showing the stratigraphic position of the DW-1 ash bed, the middle of three ash beds, within
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Field photographs from the <span class="search-highlight">Fransfontein</span> <span class="search-highlight">Ridge</span> (see Figure 9  for locations)...
Published: 01 December 2005
Figure 11. Field photographs from the Fransfontein Ridge (see Figure 9 for locations). ( a ) Silicified sea-floor crystal fans (aragonite pseudomorphs) in the lower Maieberg Formation, directly above the Keilberg cap dolostone on the Duurwater Moraine, section 22. ( b ) Ice-rafted debris (grey
Journal Article
Published: 01 March 2008
South African Journal of Geology (2008) 111 (1): 117–140.
... times ca. 550 Ma ago. The map area occupies the lithofacies and tectonic transition from the highly deformed more eugeoclinal Swakop Group sequence to the south to the coeval, uniformly southward-dipping, miogeoclinal Otavi Group of the Fransfontein Ridge to the north. The oldest unit is a largely...
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Journal Article
Published: 01 December 2005
South African Journal of Geology (2005) 108 (4): 557–577.
...Figure 11. Field photographs from the Fransfontein Ridge (see Figure 9 for locations). ( a ) Silicified sea-floor crystal fans (aragonite pseudomorphs) in the lower Maieberg Formation, directly above the Keilberg cap dolostone on the Duurwater Moraine, section 22. ( b ) Ice-rafted debris (grey...
FIGURES | View All (12)
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Lithostratigraphic correlation of the Swakop Group in the Outjo District (m...
Published: 01 March 2008
Figure 13. Lithostratigraphic correlation of the Swakop Group in the Outjo District (maps 1 to 3) with the Otavi Group sequence of the Fransfontein Ridge to the north (see Figure 3 ).
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Figure 1. Carbon isotopic data from preglacial, glacial, and postglacial ca...
Published: 01 December 2001
is implied other than relative stratigraphic position at single localities and whether carbonate samples were obtained from base, middle, or top of glacial successions. Gray symbols and numbers in A (Mount Capitor) and B (Fransfontein Ridge) indicate data reported from Kennedy et al. (1998) . Additional
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Outcrop belt of the autochthonous Otavi Group in northern Namibia (Hedberg,...
Published: 01 December 2005
Figure 7. Outcrop belt of the autochthonous Otavi Group in northern Namibia (Hedberg, 1981), showing approximate trace of the foreslope-platform break (dashed white line). Rectangular box gives location of the Fransfontein Ridge. Towns: Gr, Grootberg; Ka, Kamanjab; Kh, Khorixas; Ko, Kombat; Op
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Measured stratigraphic sections (see inset map for locations) of the Abenab...
Published: 01 December 2005
Figure 9. Measured stratigraphic sections (see inset map for locations) of the Abenab and lower Tsumeb Subgroups on the Fransfontein Ridge (Figure 7 ). See text for interpretation. Datum for sections 1 to 12 is the top of the Franni-aus Member and for sections 14 to 25 is the top
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Photomaps and measured columnar sections in key sectors of the <span class="search-highlight">Fransfontein</span>...
Published: 01 December 2005
Figure 12. Photomaps and measured columnar sections in key sectors of the Fransfontein Ridge. ( a ) Central sector (sections 18 to 23) showing the double-crested moraine ridge of the Ghaub Formation and the axial zone of the underlying grainstone prism. ( b ) Sector west of the Duurwater Trough
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Field photographs from the <span class="search-highlight">Fransfontein</span> foreslope (see Figure 9  for locati...
Published: 01 December 2005
of the western terminus of Fransfontein Ridge. The siltstone is the only terrigenous incursion in the Ghaub Formation and is likely derived from erosion of the Narachaams Member in the Duurwater Trough (see Figure 9 ) or equivalent structure.
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Comparisons of the carbon isotopic records of four Pliocene–Pleistocene cor...
Published: 01 January 2012
sections from Namibia and Svalbard representing approximately similar spacing as for the Pliocene–Pleistocene Caribbean sections (between 20 and 60 km). Ombaatjie Formation (black); Fransfontein Ridge ( Kennedy et al., 1998 ) (dark blue); Tweelingskop section at Huab Ridge (green); Keiserfontein section
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Stratigraphic reconstruction of the SW Congo passive margin sedimentary pri...
Published: 15 June 2022
Fig. 4. Stratigraphic reconstruction of the SW Congo passive margin sedimentary prism at the end of the Marinoan glaciation (Ghaub Formation in mauve, red and purple), based on measured columnar sections on Fransfontein Ridge, Kunene Region, Namibia. (A) Map (modified after Miller and Schalk
Journal Article
Journal: Geology
Published: 01 August 2016
Geology (2016) 44 (8): 631–634.
...Figure 2. Fransfontein Ridge (Namibia) geology in the vicinity of sample DW-1. See Figure 1 for location. Fm—formation; ls—limestone; ds—dolostone. ...
FIGURES | View All (4)
Journal Article
Journal: GSA Bulletin
Published: 01 July 2011
GSA Bulletin (2011) 123 (7-8): 1448–1477.
... the upper limit of the Ghaub Formation at a depth of 1.34 km (5 km × tan 15°) beneath the rim of the platform and the thickest part of the Ghaub wedge at a paleodepth of 1.88 km (7 km × tan 15°). The Fransfontein homocline forms a topographic ridge underlain by Otavi Group carbonate strata dipping 50...
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Series: Geological Society, London, Memoirs
Published: 01 January 2011
DOI: 10.1144/M36.14
EISBN: 9781862394117
... rectangle shows the area of Figure  14.1 b. ( b ) Geological map of the Fransfontein Ridge and its relation to the Otavi Platform of the Upper Huab outlier and Danubé (after Hoffman et al. 2007 ). Also shown is the division of the foreslope into proximal and distal zones, the location of the Duurwater...
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Journal Article
Journal: Geology
Published: 01 December 2001
Geology (2001) 29 (12): 1135–1138.
... is implied other than relative stratigraphic position at single localities and whether carbonate samples were obtained from base, middle, or top of glacial successions. Gray symbols and numbers in A (Mount Capitor) and B (Fransfontein Ridge) indicate data reported from Kennedy et al. (1998) . Additional...
FIGURES
Journal Article
Journal: Geology
Published: 01 December 2014
Geology (2014) 42 (12): 1103–1106.
..., Namibia. E: Fransfontein section, Congo craton, Namibia. AT—Aktas tillite; NT—Nantuo tillite; GG—Ghaub glacial deposit; KM—Keilberg Member. In detail, the δ 11 B values for the Kyrshabakty section display a sinusoidal profile and a relative shift of ∼12‰. With the onset of cap dolomite deposition...
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Journal Article
Published: 19 January 2016
Canadian Journal of Earth Sciences (2016) 53 (11): 1177–1189.
... . Hoffman, P.F., Bellefroid, E., Hodgin, E.B., Johnson, B.W., Kunzmann, M., Sansjofre, P., et al. 2014. A Cryogenian-early Ediacaran carbonate shelf break dominated by glacial paleotopography, Fransfontein Ridge, Kunene Region, Namibia. Geological Society of America, 2014 Annual Meeting Abstracts, Paper 130...
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Journal Article
Journal: Geology
Published: 01 January 2012
Geology (2012) 40 (1): 87–90.
... sections from Namibia and Svalbard representing approximately similar spacing as for the Pliocene–Pleistocene Caribbean sections (between 20 and 60 km). Ombaatjie Formation (black); Fransfontein Ridge ( Kennedy et al., 1998 ) (dark blue); Tweelingskop section at Huab Ridge (green); Keiserfontein section...
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