Fig. 3: Geochemistry of OIB-like rocks from the Texas Beds.

Data: this study (yellow diamonds, green circles) and from ref. ³⁵ (gray circles). Plots after: A⁶⁴, C⁶⁵. B Primitive mantle (PM) after ref. ⁶⁶. C Average enriched mid-ocean ridge basalt (E-MORB), normal (N-MORB), and ocean island basalt (OIB) after ref. ⁶⁷.