Figure F84. Nb-Zr-Y ternary diagram showing the fields for different basalt types. Al = within-phase basalt, A2 = within-plate alkali basalt, C = within-plate tholeiite, E-MORB = enriched mid-ocean-ridge basalt (MORB), N-MORB = normal MORB. Samples taken from Site 1256 all lie in the N-MORB field.

Figure F84. Nb-Zr-Y ternary diagram showing the fields for different basalt types. Al = within-phase basalt, A2 = within-plate alkali basalt, C = within-plate tholeiite, E-MORB = enriched mid-ocean-ridge basalt (MORB), N-MORB = normal MORB. Samples taken from Site 1256 all lie in the N-MORB field.