gsa.confex.com 2016 rees in...ph adjustment, gravity flow elution of mono/dia-valent cations...

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N ≈ 150

N = 28

δ δ ⁸

chondrite

PAAS

chondrite (ppm)

NPDW x 10⁷

Note Ce anomaly

⁻⁷

ppm

maj

ors

ppm

maj

ors

≈ ≈

ppm

maj

ors

Eu Gd Er Eu Gd Er

Carbon ManagementInstitute

… …

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