Concentration,

ppm

Isotope ratios

Model age, Ma

ε_Nd

Sm

Nd

¹⁴⁷Sm/¹⁴⁴Nd

¹⁴³Nd/¹⁴⁴Nd

Err.

CHUR

DM

Whole rock

2.004

10.066

0.14938

0.511811

28

2655

3155

−1.4

Plagioclase

0.654

3.655

0.07654

0.510639

22

Clinopyroxene

1.901

6.398

0.17956

0.512285

9

Chalcopyrite

0.109

0.647

0.13085

0.511499

53

Pyrrhotite

0.301

2.017

0.17299

0.512185

47

Sulphide mix

0.114

0.709

0.12648

0.511431

46