Renli-Chuanziyuan (Mufushan batholith)
Northeastern Hunan, Pingjiang, China
Magmatic (Ni-Cu-PGE, carbonatites)Li-Nb-Ta (Be)
- Type
- LCT-type granitic pegmatites, Nb-Ta (Renli) and Li-Nb-Ta (Chuanziyuan)
Pegmatite field associated with the Mufushan batholith, a Late Jurassic biotite granite and an Early Cretaceous muscovite granite. The spodumene-free Renli pegmatites, close to the pluton, have high δ7Li; the more distal spodumene-bearing Chuanziyuan pegmatites have low δ7Li. The authors link this contrast to exsolution, accumulation and migration of a magmatic volatile phase.
δ7Li in ‰ (per mil) Values of the same system
Standard : L-SVEC
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 4.66 ± 2.63 ‰ | 2.1 / 9 ‰ | 5 | whole rock, lithium-poor spodumene-free pegmatite (Renli) Mean and standard deviation recalculated from 5 analyses in Table 1 (including two sample repeats). | Ye et al. (2023), Lithium isotopic systematics and numerical simulation for highly-fracti… |
| −3.43 ± 1.93 ‰ | −6.4 / −0.7 ‰ | 8 | whole rock, lithium-rich spodumene pegmatite (Chuanziyuan) Mean and standard deviation recalculated from 8 analyses in Table 1. Lithium contents of 324 to 11,260 ppm. | Ye et al. (2023), Lithium isotopic systematics and numerical simulation for highly-fracti… |
| −3.99 ± 2.42 ‰ | −6.78 / −2.54 ‰ | 3 | spodumene from the Chuanziyuan pegmatites Mean and standard deviation of 3 samples, Table 2. The CZY-2-c repeat (-7.21 ‰) is not counted. | Ye et al. (2023), Lithium isotopic systematics and numerical simulation for highly-fracti… |
| −2.48 ± 0.4 ‰ | −2.81 / −1.83 ‰ | 5 | muscovite from the pegmatites (Renli and Chuanziyuan) Mean and standard deviation of 5 samples, Table 2. Mica δ7Li varies little (about 3 ‰), unlike whole-rock δ7Li. | Ye et al. (2023), Lithium isotopic systematics and numerical simulation for highly-fracti… |
| 5.54 ± 6.83 ‰ | −1.83 / 14.08 ‰ | 5 | quartz from the pegmatites (Renli and Chuanziyuan) Mean and standard deviation of 5 samples, Table 2; heavy quartz in the lithium-poor pegmatites (+9.8 and +14.1 ‰). The CZY-2-c repeat (+6.86 ‰) is not counted. Large scatter: interpret sample by sample. | Ye et al. (2023), Lithium isotopic systematics and numerical simulation for highly-fracti… |
| 1.01 ± 6.34 ‰ | −5.88 / 10.64 ‰ | 5 | feldspar from the pegmatites (Renli and Chuanziyuan) Mean and standard deviation of 5 samples, Table 2. Large scatter (about 15 ‰). | Ye et al. (2023), Lithium isotopic systematics and numerical simulation for highly-fracti… |
| −0.39 ± 0.74 ‰ | −1.4 / 0.7 ‰ | 10 | whole rock, Mufushan muscovite granite (Early Cretaceous) Mean and standard deviation of 10 samples, Table 1; RL-D5-2 and its repeat are identical (+0.7 ‰) and counted once. | Ye et al. (2023), Lithium isotopic systematics and numerical simulation for highly-fracti… |
| −1.83 ± 0.79 ‰ | −2.8 / −0.9 ‰ | 4 | whole rock, Mufushan biotite granite (Late Jurassic) Mean and standard deviation of 4 samples, Table 1. | Ye et al. (2023), Lithium isotopic systematics and numerical simulation for highly-fracti… |
| −1.55 ± 1.2 ‰ | −2.4 / −0.7 ‰ | 2 | whole rock, Lengjiaxi Group host schist Mean of 2 samples, Table 1. | Ye et al. (2023), Lithium isotopic systematics and numerical simulation for highly-fracti… |
εNd(t) in ε units (parts per 10,000) Values of the same system
Standard : CHUR
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −7.9 ± 0.26 ε | −8.2 / −7.6 ε | 4 | whole rock, Mufushan biotite granite Mean and standard deviation of 4 samples, Table 1. | Ye et al. (2023), Lithium isotopic systematics and numerical simulation for highly-fracti… |
| −8.86 ± 0.09 ε | −9 / −8.8 ε | 5 | whole rock, Mufushan muscovite granite Mean and standard deviation of 5 samples, Table 1. Both granites derive from the same isotopically homogeneous magma reservoir. | Ye et al. (2023), Lithium isotopic systematics and numerical simulation for highly-fracti… |
Deposits of the same type
- Yashan (Yichun Ta-Nb-Li deposit) China
- Tong'an-Baishuidong lithium district (Wutang granites) China
- Jiajika, No. X03 vein China
- Bayan Obo China
- Jinchuan China
- Piaohechuan (No. 4 intrusion) China
- Luobusa China
- Bailongshan China
Cite this page
IsoFind Atlas (2026). Renli-Chuanziyuan (Mufushan batholith), isotope signatures. https://www.isofind.tech/isotopes/en/deposits/renli-chuanziyuan-batholite-de-mufushan/ (accessed 2026-10-13).
@misc{isofind2026renlichuanziyuanmufushanbatho,
title = {Renli-Chuanziyuan (Mufushan batholith), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/renli-chuanziyuan-batholite-de-mufushan/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13