Progress in Earth and Planetary Science

Table 2 Correlations between average values of sclerosponge geochemistry^*

From: Evaluation of geochemical records as a paleoenvironmental proxy in the hypercalcified demosponge Astrosclera willeyana

	δ¹⁸O	Mg/Ca	Sr/Ca	Ba/Ca	Pb/Ca	U/Ca
δ¹³C	0.27	0.22	0.17	0.22	-0.35	-0.11
δ¹⁸O		-0.06	0.47	0.29	-0.04	-0.06
Mg/Ca			-0.11	0.18	-0.56	0.02
Sr/Ca				0.16	-0.01	-0.12
Ba/Ca					-0.38	-0.69
Pb/Ca						0.19

^*Coefficent values in italics and bold fall outside (p > 0.01) and inside (p < 0.01) the 99% confidence intervals, respectively

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