Sentences with phrase «subfossil materials»
She has been particularly fortunate to have material borrowed from the Duke University Primate Center's excellent collection of subfossil materials.
https://www.sciencedaily.com/ Not exact matches
Two sets of correlations are shown: one based only on the subfossil series and the other including the living tree material whose precise elevations are not known and have been set here to a constant elevation of 250 m. None of the correlations is significant indicating that there is little evidence for an elevation influence on ring density and hence little age - dependent bias in the temperature reconstruction arising out of the differences in sample heights shown in Figure 4.»