Table 3 Summary of SIMS Li isotopes for three zircon standards.
From: Extreme lithium isotopic fractionation in three zircon standards (Plešovice, Qinghu and Temora)
δ7Li (‰) | Li (ppm) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Sample name | Spot size | Min | Max | Fractionation | core average* | 1sd | Min | Max | core average* | 1sd |
PlesoviceR | (20 μm) | −10.7 | 3.7 | 14.8 | 1.4 | 1.2 | 0.5 | 2.3 | 0.7 | 0.2 |
(10 μm) | −8.9 | 3.3 | 12.2 | 0.1 | 0.9 | 0.8 | 8.7 | 1.0 | 0.1 | |
(5 μm) | −14.1 | 3.4 | 17.6 | – | – | 0.5 | 9.5 | – | – | |
PlesoviceL | (20 μm) | −4.0 | 3.3 | 7.3 | 1.0 | 1.7 | 0.7 | 1.9 | 0.9 | 0.3 |
(10 μm) | −14.3 | 3.7 | 18.0 | 1.0 | 1.2 | 0.7 | 14.4 | 0.9 | 0.2 | |
(5 μm) | −13.7 | −1.0 | 12.7 | – | – | 0.5 | 13.3 | – | – | |
Plesovice-inter grains | −14.3 | 3.7 | 18.0 | – | – | 0.5 | 14.4 | – | – | |
Qinghu-1 | (20 μm) | −9.6 | 1.4 | 11.0 | −5.5 | 4.0 | 0.3 | 2.1 | 1.1 | 0.6 |
(10 μm) | −18.3 | −0.1 | 18.2 | −5.7 | 3.9 | 0.3 | 11.8 | 1.9 | 2.5 | |
(5 μm) | −9.3 | 1.4 | 10.7 | – | – | 0.7 | 4.0 | – | – | |
Qinghu-a | (10 μm) | −21.4 | 0.3 | 21.6 | −6.4 | 0.4 | 0.6 | 11.2 | 1.1 | 0.5 |
Qinghu-d | (10 μm) | −22.8 | 0.1 | 22.9 | −3.6 | 1.3 | 0.6 | 5.1 | 1.2 | 0.4 |
Qinghu-e | (10 μm) | −14.4 | −0.3 | 14.1 | −5.4 | 1.7 | 1.1 | 7.0 | 1.2 | 0.2 |
Qinghu-inter grains | −22.8 | 1.4 | 24.2 | – | – | 0.3 | 11.8 | – | – | |
Temora | (20 μm) | 1.1 | 13.1 | 12.0 | – | – | 0.0 | 0.3 | – | – |
(10 μm) | −4.7 | 16.1 | 20.8 | – | – | 0.0 | 6.8 | – | – | |
