SSR Mining Outlines 20-Year Marigold Mine Plan with Gold Reserves Rising 43% to 4.6 Million Ounces
SSR Mining Inc. (SSRM) announced a 20-year plan for its Marigold Gold Complex, increasing gold reserves by 43% to 4.6 million ounces. The plan includes developing the Buffalo Valley project, forecasting 3.3 million ounces of gold production with AISC of $2,005 per ounce. The project's after-tax NPV is estimated at $3.3 billion using consensus gold price assumptions.
How this was made

The 30-second read
Why it matters
The reserve increase and NPV estimate provide fresh valuation inputs, likely prompting short‑term price movement.
Market read
First‑time disclosure of a sizable reserve boost for a junior gold miner, relevant for commodity‑focused investors.
What to watch
Execution risk on Buffalo Valley development and potential cost overruns could temper benefits.
Background
SSR Mining filed an 8‑K with a technical report summarizing a 20‑year plan for its Marigold complex, including the new Buffalo Valley project.
Ticker impact
SSR Mining disclosed a 43% increase in Marigold gold reserves and a $3.3B NPV, new technical report filing.
upside as investors price in higher reserves and future cash flow
The new reserve data is material and first‑time disclosed, improving the valuation outlook.
Market effects
May lift other U.S. gold miners as reserve upgrades set a positive precedent.
Strengthens perception of Nevada mining assets.
Adds to overall gold supply outlook, modest impact on global gold price.
Counterpoint
If capital costs rise or gold price falls, the reserve uplift may not translate into near‑term upside.
Key entities
- companySSR Mining Inc.
U.S. gold mining company reporting the reserve update.
