Sentences with phrase «microfossil preservations»
His goal is to try to understand the processes and mechanisms of organic microfossil preservation and to reconstruct the biology, and environmental conditions and perturbations of the Neoproterozoic.
http://www.complex-life.org/ Not exact matches
«Periods of very intense North Atlantic circulation and higher Northern Hemisphere temperatures increased the preservation of microfossils in the sediment cores, whereas those with slower circulation, when the study site was primarily influenced from the south, were linked with decreased carbonate ion concentrations at our core site which led to partial dissolution,» said co-author Dr Luke Skinner, also from Cambridge's Department of Earth Sciences.
Even when microfossils are found, there are often controversies about their biological origin, since parameters that lead to a good preservation of microfossils are not well constrained.