Rampura-Agucha
Rajasthan, Bhilwara Supergroup, India
SEDEXZn-Pb
- Type
- Metamorphosed SEDEX (Zn-Pb)
Lens-shaped orebody (about 1550 by 100 m) in graphite-mica-sillimanite schists, classified SEDEX, formed around 1800 Ma and metamorphosed at granulite facies (8 kbar, 730 °C). Bhuyan et al. (2023): metamorphic tourmaline only, from -15.0 to -13.4 ‰, formed around 700 to 730 °C.
δ11B in ‰ (per mil) Values of the same system
Standard : NIST SRM 951
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −14.97 / −13.4 ‰ | 9 | metamorphic tourmaline of metapelites (included in garnet and in the matrix) Range only. Dravite (XMg 0.66 to 0.70); grains in garnet from -14.64 to -13.4 ‰, matrix grains from -14.97 to -13.61 ‰. | Bhuyan et al. (2023), Continental evaporites as brine sources for formation of SEDEX and … |
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Cite this page
IsoFind Atlas (2026). Rampura-Agucha, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/rampura-agucha/ (accessed 2026-10-20).
@misc{isofind2026rampuraaguchaisotopesignature,
title = {Rampura-Agucha, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/rampura-agucha/},
note = {Accessed 2026-10-20}
}Updated : 2026-10-20