Fig. 1 | Nature Communications

Fig. 1

From: Compositional heterogeneity near the base of the mantle transition zone beneath Hawaii

Fig. 1

Study region and ray geometry of SS precursors. a Map showing the study region (black rectangle) and distribution of sources (red circles) and receivers (green triangles) used in this study. The circles within the black rectangle indicate the bins NW and SE of the Hawaiian hotspot for stacks shown in Fig. 4. Gray tones represent the distribution of ~180,000 SS reflection points (0.5° × 0.5° bins; scale bar below map). b Ray geometry of SS, S410S, and S660S for Δ = 120°

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