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  • 121-752; 121-752A; 121-752B; 121-753A; 121-754B; 121-755A; COMPCORE; Composite Core; DRILL; Drilling/drill rig; Joides Resolution; Leg121; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean  (1)
  • Aeromonas sobria  (1)
  • 1990-1994  (2)
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  • 1990-1994  (2)
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  • 1
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    Cretaceous-Paleogene biomagnetostratigraphy of ODP Leg 121 sites (1991)
    PANGAEA
    In:  Supplement to: Pospichal, James J; Dehn, Jonathan; Driscoll, Neal W; van Eijden, AJM; Farrell, John W; Fourtanier, Elisabeth; Gamson, Paul; Gee, Jeff S; Janecek, Thomas R; Jenkins, D Graham; Klootwijk, Christian T; Nomura, Ritsuo; Owen, Robert M; Rea, David K; Resiwati, Purtyasti; Smit, Jan; Smith, Guy M (1991): Cretaceous-Paleogene biomagnetostratigraphy of Sites 752–755, Broken Ridge: a synthesis. In: Weissel, J; Peirce, J; Taylor, E; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 121, 721-741, https://doi.org/10.2973/odp.proc.sr.121.181.1991
    Details
    Publication Date: 2024-01-09
    Description: Broken Ridge, in the eastern Indian Ocean, is a shallow-water volcanic platform which formed during the Early to middle Cretaceous at which time it comprised the northern portion of the Kerguelen-Heard Plateau. Rifting during the middle Eocene and subsequent seafloor spreading has moved Broken Ridge about 20 infinity N to its present location. The sedimentary section of Broken Ridge includes Turonian-lower Eocene limestone and chalk with volcanic ash, an interval of detrital sands and gravels associated with middle Eocene rifting and uplift, and a middle-late Oligocene unconformity overlain by a thin section of Neogene-Holocene pelagic calcareous ooze. This paper summarizes the available post-cruise biostratigraphic and magnetostratigraphic data for the Cretaceous-Paleogene section on Broken Ridge. The synthesis of this information permits a more precise interpretation of the timing of events in the history of Broken Ridge, in particular the timing and duration of the middle Eocene rifting event. Paleontologic data support rapid flexural uplift of Broken Ridge in response to mechanical rather than thermal forces. Other highlights of the section include a complete Cretaceous/Tertiary boundary and an opportunity for first-order correlation of Paleogene diatom stratigraphy with that of the calcareous groups.
    Keywords: 121-752; 121-752A; 121-752B; 121-753A; 121-754B; 121-755A; COMPCORE; Composite Core; DRILL; Drilling/drill rig; Joides Resolution; Leg121; Ocean Drilling Program; ODP; South Indian Ridge, South Indian Ocean
    Type: Dataset
    Format: application/zip, 6 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
    Electronic Resource
    Electronic Resource
    A positive fever response in Agama agama and Sceloporus orcutti (Reptilia: Agamidae and iguanidae) (1991)
    Springer
    Journal of comparative physiology 161 (1991), S. 377-381 
    Details
    ISSN: 1432-136X
    Keywords: Fever ; Agama agama ; Seeloporus orcutti ; Aeromonas sobria ; Agamidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Three species of lizards (Agama agama, Mabuya perrotetii, and Sceloporus orcutti) were tested for a possible increase in mean selected body temperature (MSBT) in response to intraperitoneal injection of alcohol-killed Aeromonas sobria, a gram-negative bacterium known to be pathogenic to reptiles. A paired experimental design was utilized in which each animal was given an injection of sterile saline and 1 · 1010 A. sobria. Body temperatures were monitored via indwelling cloacal thermocouples at 4-min intervals for one 12-h light period under saline injection and for two consecutive 12-h light periods under bacteria injection. Agama agama demonstrated a significant increase in MSBT on both day 1 and day 2 of bacteria injection with increases of 2.7 and 2.3°C, respectively. The latency period on day 1 averaged 6.4 h. Sceloporus orcutti demonstrated a significant decrease in MSBT on day 1 of bacteria injection and a significant increase in MSBT of 1.0°C on day 2 of bacteria injection. No fever was evident in S. orcutti until the beginning of day 2. Mabuya perrotetii did not exhibit a significant change in MSBT on either day 1 or day 2 of bacteria injection. Agama agama (family Agamidae) is the first Old World reptile to exhibit a fever response to bacteria injection, and with these results fever has now been demonstrated in the lizard families Agamidae, Iguanidae, and Teiidae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00260796
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