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Fil: Rego, Francisco.

Josep Maria Ruiz Simon, A arte de Raimundo Lúlio e a teoria escolástica da ciência, trad. Fernando Salles, Instituto Brasileiro de Filosofía e Ciência “Raimundo Lúlio" (Ramon Llull), Sâo Paulo, 2004. ISBN: 85 - 89294 - 05 - 6. 368 p.

Fil: Mendoza, José María Felipe.

Caso Karen Llantoy v. Perú. Documento No. CCPR/C/85/D/1153/2003

http://www.cdh.uchile.cl/libros/dh-mujeres/21llantoy.pdf

Calcium carbonate, sedimentation and mass accumulation rates at DSDP Site 85-572

At Site 572, located at 1°N, 114° W (3903 m water depth), we recovered a continuous hydraulic piston cored section of upper Miocene to upper Pleistocene pelagic sediments. The sediment is composed of biogenic carbonate and silica with nonbiogenic material as a minor component. Detailed analysis of the calcium carbonate content shows that the degree of variability in carbonate deposition apparently changed markedly between the late Miocene and Pliocene at this equatorial Pacific site. During this interval carbonate mass accumulation rates decreased from 2.6 to 0.8 g/cm**2 per 10**3 yr. If we assume that variations in CaCO3 content reflect changes in the degree of dissolution, then the detailed carbonate analysis would suggest that the degree of variability in carbonate deposition decreases by a factor of 5 as the dominant wavelength of variations increases significantly. However, if the variability in carbonate concentration is described in terms of changes in mean mass accumulation, calculations then suggest that relatively small changes in noncarbonate rates may be important in controlling the observed carbonate records. In addition, the analysis suggests that the degree of variability observed in pelagic carbonate data may in part reflect total accumulation rates. Intervals with high sedimentation rates show lower amplitude variations in concentration than intervals with lower sedimentation rates for the same degree of change in the carbonate accumulation rate.