Death Valley (borates, unspecified deposit)

California, Death Valley, United States

OtherB

Type: Neogene lacustrine borates (colemanite)

Calcium borates of the Death Valley area; the article does not specify the source deposit. Colemanite and meyerhofferite are secondary there, inyoite being the probable primary mineral (theoretical -7.8 ‰ against -8.3 ‰ observed on average, with compiled data).

δ11B in ‰ (per mil) Values of the same system

Standard : NIST SRM 951

Value	Range	n	Mineral or matrix	Source
−4.9 ‰		1	colemanite Single analysis.	Oi et al. (1989), Boron isotopic compositions of some boron minerals, Geochimica et Cosmo…

Deposits of the same type

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Stelvio Italy
Oris Italy
Kupferschiefer, Lubin-Sieroszowice district Poland
Timna Israël
Datangpo-type manganese (Gaolou, Minle, Zhenxing) China
Eyller Bruch bog iron ore Germany

Cite this page

IsoFind Atlas (2026). Death Valley (borates, unspecified deposit), isotope signatures. https://www.isofind.tech/isotopes/en/deposits/death-valley-borates-gite-non-precise/ (accessed 2026-10-19).

@misc{isofind2026deathvalleyboratesunspecified,
  title = {Death Valley (borates, unspecified deposit), isotope signatures},
  author = {{IsoFind Atlas}},
  year = {2026},
  url = {https://www.isofind.tech/isotopes/en/deposits/death-valley-borates-gite-non-precise/},
  note = {Accessed 2026-10-19}
}

Updated : 2026-10-19