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Ngorongoro Crater

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Journal Article
Published: 01 December 2005
South African Journal of Geology (2005) 108 (4): 493–504.
...Daniel M. Deocampo Abstract Magnesium silicates such as chain clays and Mg-rich interstratifications commonly form in saline and alkaline soil and lake waters. Geochemical analyses of water and sediment from the Lake Eyasi and Ngorongoro Crater watersheds (northern Tanzania) were carried out...
FIGURES | View All (9)
Journal Article
Journal: PALAIOS
Published: 01 April 2002
PALAIOS (2002) 17 (2): 212–217.
...DANIEL M. DEOCAMPO Abstract Large mammals, especially Hippopotamus amphibius , have created a distinctive set of traces in a spring-fed freshwater wetland on the margin of the saline-alkaline crater lake in the Ngorongoro Crater, Tanzania. It is comprised of a ∼30 m diameter zone of deep (<2m...
FIGURES
Journal Article
Published: 01 September 1999
Journal of Sedimentary Research (1999) 69 (5): 974–979.
... within marshes in Ngorongoro Crater, Tanzania, locally increases aqueous P CO2 . The resulting lowered pH inhibits the precipitation of calcite and decreases the rate of silica dissolution. Steep geochemical gradients are produced. These are represented mineralogically by siliceous biomineralization...
Image
Evaporative evolution of <b>Ngorongoro</b> <b>Crater</b> waters. Conservative slope is fo...
Published: 01 December 2005
Figure 2. Evaporative evolution of Ngorongoro Crater waters. Conservative slope is for reference only, and does not refer to particular samples. ( a ) Sodium and potassium increase conservatively, although some dilute waters may have elevated sodium content due to local dissolution of trona (Na
Series: GSA Special Papers
Published: 01 September 2015
DOI: 10.1130/2015.2515(03)
.... Availability of Al- or Fe-rich detrital clays likely leads to Mg-rich smectite formation, whereas sepiolite or kerolite is favored in environments with no detrital substrates. Surface waters of the Ngorongoro Crater, Tanzania, provide a good example of alteration of incoming detrital clay minerals...
Series: SEPM Special Publication
Published: 01 January 2002
DOI: 10.2110/pec.02.73.0295
EISBN: 9781565761957
... the A-A’ transect, %vith core-auger probes indicated by vertical lines. Fig. 5.— A) View northwest from the top of the carbonate outcrop at the Mti Moja wetland, Ngorongoro Crater (Fig. 4 ). Water erupts at the base of the carbonate (out of view) and feeds a small linear stream and marsh before spreading...
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Image
F igure  1. . Topographical map of northern Tanzania. 1, Empakaai <b>Crater</b>, t...
Published: 01 November 2011
F igure 1. . Topographical map of northern Tanzania. 1, Empakaai Crater, the site of Lake Emakat; 2, the volcano, Ol'Doinyo Lengai; 3, Lake Natron; 4, Ngorongoro Crater; 5, Lake Eyasi; 6, Lakes Masek and Ndutu; 7, Olduvai Gorge. Controlled studies used water and soil collected from sites 4–6
Journal Article
Published: 01 March 2007
South African Journal of Geology (2007) 110 (1): 1–46.
..., incorporating the catastrophic forces of the important natural catastrophic processes affecting this planet. The nature of impact cratering as a fundamental universal process and the tools for the recognition of impact structures will be examined, and the role of this process since beginning of accretion...
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Image
TABLE 1 —Large vertebrate animals observed within 100 m of Mti Moja spring,...
in > PALAIOS
Published: 01 April 2002
TABLE 1 —Large vertebrate animals observed within 100 m of Mti Moja spring, northeast shore of Lake Makat, Ngorongoro Crater, Tanzania, 1996–1997
Series: Geological Society, London, Memoirs
Published: 01 January 2008
DOI: 10.1144/M33.7
EISBN: 9781862394087
... the pass between Lemagrut and the Oldeani volcano; Diameter : 20 km; Eruptive history : ?Pliocene; Crater diameter : no crater; Composition : olivine basalt, nephelinite; QDS : 52 Endulen. Lemagrut is a broad craterless dome standing adjacent to, and west of, Ngorongoro. Radial river valleys incise...
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Image
FIGURE 3 —Examples of large sedimentary structures created by  Hippopotamus...
in > PALAIOS
Published: 01 April 2002
shown in C. Geological hammer for scale at bottom. (F) View from the Crater rim (∼600 m above the floor) of a hippo trail emerging from the Lerai Hippo Pool, on the south edge of Ngorongoro Crater. Black dots at the bottom of the picture are wildebeest and zebra
Image
Clementine Mission (1999) image of the “Blue Planet” – against the foregrou...
Published: 01 March 2007
) of it one recognizes prominent Ngorongoro Crater. Elevations of the peaks around the image center are of the order of 3500 m. Source: NASA-JPL ( http://photojournal.jpl.nasa.gov/catalog/PIA06669 ). This image shall remind that, while much has been achieved technologically, also regarding our view of Africa
Image
Clementine Mission (1999) image of the “Blue Planet” – against the foregrou...
Published: 01 March 2007
) of it one recognizes prominent Ngorongoro Crater. Elevations of the peaks around the image center are of the order of 3500 m. Source: NASA-JPL ( http://photojournal.jpl.nasa.gov/catalog/PIA06669 ). This image shall remind that, while much has been achieved technologically, also regarding our view of Africa
Image
A: Precession (εsinω) and eccentricity (ε) factors following  Laskar et al....
in > Geology
Published: 19 May 2017
Figure 2. A: Precession (εsinω) and eccentricity (ε) factors following Laskar et al. (2004) . B: Insolation curves for the northern Indian Ocean monsoon at Ngorongoro Crater (Tanzania) in April, and the southern monsoon in December, following Laskar et al. (2004) . C: Mudstone compositions
Book Chapter

Author(s)
J. B. Dawson
Series: Geological Society, London, Memoirs
Published: 01 January 2008
DOI: 10.1144/M33.App02
EISBN: 9781862394087
.... Basanite, spur on south side of Ngorongo crater ( Wood 1968 ) 19. Tephrite, N.E. side of crater floor, Ngorongoro ( Wood 1968 ) 20. Tephrite, spur on south side of Ngorongoro crater ( Wood 1968 ) 21. Mugearite (ditto) 22. Mugearite (ditto) 23. Phono-tephrite, ditto. 24. High-K basanite...
Journal Article
Published: 01 September 2003
Journal of Sedimentary Research (2003) 73 (5): 691–705.
..., Tanzania and Their Implications for Early Hominid Ecology [unpublished Ph.D. Dissertation] : Rutgers University , New Brunswick, New Jersey , 327 p. Deocampo , D.M. , 1997 , Modern Sedimentation and Geochemistry of Freshwater Springs: Ngorongoro Crater, Tanzania [M.Sc. Thesis] : Rutgers...
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Journal Article
Published: 01 August 2010
Journal of Sedimentary Research (2010) 80 (8): 703–709.
.... , and Sarnthein , M. , 2000 , Coherent high-and low-latitude climate variability during the Holocene Warm Period : Science , v. 288 , p. 2198 – 2202 . Deocampo , D.M. , 1997 , Modern sedimentation and geochemistry of freshwater springs: Ngorongoro Crater, Tanzania [Masters Thesis]: Rutgers...
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Journal Article
Journal: PALAIOS
Published: 01 October 2006
PALAIOS (2006) 21 (5): 493–498.
... the site ( Eucladoceros , Fig. 6 ) show peculiar patterns with peaks in adult age classes that normally are least at risk of death. Comparison with extant hyenas may help explain this observation. Spotted hyenas living in the Serengeti National Park and in the Ngorongoro Crater show seasonal fluctuations...
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Journal Article
Published: 01 August 1997
Journal of the Geological Society (1997) 154 (4): 689–700.
..., Table 2). This date is similar to those obtained for ignimbrites from Ngorongoro crater, suggesting that the Lemagrut ignimbrites may actually originate from Ngorongoro (Manega 1993). An ankaramitic lava, presumed to have originated from Lemagrut, is cut by the Eyasi Fault and is dated at 3.1&0.3 Ma (7c...
Book Chapter

Author(s)
J. B. Dawson
Series: Geological Society, London, Memoirs
Published: 01 January 2008
DOI: 10.1144/M33.App01
EISBN: 9781862394087
... Print Tuff, Moinik Formation 1.26±0.04* 2 3 Phlogopite, Kisetey crater tuff 0.57±0.15 5 Phlogopite, Kisetey crater tuff 0.14±0.15 891 Phlogopite, Loolmurwak crater tuff 0.53±0.1 5 Phlogopite, Loolmurwak crater tuff 0.41±0.1 5 105 Phlogopite, Loolmurwak crater tuff 0.19...