Mine detail: Sigma Mine

Previously called 'Sigma-White Monster Mine'

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Location

Lat / long: 36.32108, -116.69398

Resource(N)

Primary: Boron-Borates

Production

Operation type: Surface
Development status: Past Producer

Geology

References

MAS60271260
DEP10260537
Reference{Deposit:: CALIF. DIV. MINES AND GEOL. SPECIAL REPORT 125, 1976, P. 28.}{Deposit:: CALIF. DIV. MINES AND GEOL. SPECIAL PUBLICATION 58, 1981,}{Deposit:: P. 39.}
ReporterLowe, Nathan T.