Mineral

RPFR

A

B

C

D

E

Calcite

^13/12C

6.91375 × 10⁸

−8.27353 × 10⁶

4.52610 × 10⁴

−2.56409

1.00012

^18/16O

2.12160 × 10⁸

−3.00179 × 10⁶

2.02866 × 10⁴

−2.00347

1.00043

^14/12C

1.15968 × 10⁹

−1.27842 × 10⁷

8.26906 × 10⁴

−5.28487

1.00064

Aragonite

^13/12C

7.00201 × 10⁸

−8.34641 × 10⁶

4.55477 × 10⁴

−2.29694

1.00002

^18/16O

2.20951 × 10⁸

−3.10683 × 10⁶

2.08805 × 10⁴

−2.00014

1.00042

^14/12C

1.17816 × 10⁹

−1.29108 × 10⁷

8.32912 × 10⁴

−4.87379

1.00049