REE patterns (McDonough-Sun 1995)

Layer 2 — Chemistryin the geochemistry subtree

McDonough-Sun 1995 chondrite-normalized REE 'spider plots'; Eu anomaly = plagioclase fractionation; Ce anomaly = redox; basis of igneous-petrology + ore-genesis.

Related concepts

Tree (graph-theoretic)
REE Eu-Ce anomaly (Goldschmidt 1937)

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