The Ledger
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Risner: Hermosa is only advanced mine that can supply US battery-grade manganese
“And it's also the only advanced mine development that could produce a battery-grade manganese to provide battery-grade manganese for the emerging U.S. And North American electric vehicle supply chain.”
EV battery makers can completely eliminate cobalt by increasing manganese
“One is you can completely displace the cobalt in the battery by increasing the manganese content.”
Risner: Hermosa is only US mine project producing both zinc and manganese
“We have a world-class zinc deposit and a world-class manganese deposit, so it's the only mine development project in the United States. That would produce two critical minerals designated on the US Geological Survey's critical minerals list, so those being zin…”
Risner: Hermosa mine will require under 600 acres of surface disturbance
“We have devised, ah, Hermosa, or designed Hermosa as an underground operation. We can mine both the manganese and the zinc resource with less than 600 acres of total disturbance, compared to upwards of 10,000 for many other mining projects. And the vast majori…”
Risner: South32 Hermosa Project could employ over 80% local residents long-term
“We've communicated to the local community that we believe the long-term workforce at Hermosa could be greater, 80% or greater people that live in Santa Cruz County today.”
Risner: South32 Hermosa Project will support over 2,500 total jobs
“If you look at vendors, suppliers contractors, and induced jobs from increased disposable income, that number's in, in excess of 2500 jobs.”
Every Hermosa mine job pays 2.5x the local average household income
“Every job at Hermosa generates two and a half times the current average household income in the county.”
China supplies roughly 99% of global battery-grade manganese
“All of the battery, virtually all of the battery grade manganese in the world, it's like 99%, comes from China.”
Risner: South32 is the world's largest manganese ore producer
“South-Thirty-Two's the world's largest producer of manganese ore in the world.”
Manganese makes up 17% of EV batteries but only 1% of cost
“The typical electric vehicle battery right now has about 17% manganese. Manganese only constitutes about one percent of the cost, so it's a very low cost metal in the chemistry of the battery.”