secwatch.observer — SEC 8-K summary
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Issuer:     PERPETUA RESOURCES CORP. (PPTA)
CIK:        0001526243
Form:       8-K
Filed at:   2022-10-28T23:59:59+00:00
Accession:  0001104659-22-112172
Event type: regulatory
Sentiment:  positive
Materiality: 0.70
Item codes: 7.01, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

USFS selects Perpetua's Stibnite Gold Project as Preferred Alternative in SDEIS
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- USFS published SDEIS on Oct 28, 2022; 75-day comment period ends Jan 10, 2023.
- Modified Mine Plan reduces footprint by 13%, mined material by 10%, eliminates 168 acres of waste rock storage.
- Project would be only U.S. mined source of antimony; China, Russia, Tajikistan control 90% of global supply.
- SDEIS identifies Perpetua's proposed action as Preferred Alternative, a major NEPA milestone.
- Project aims to restore legacy environmental conditions and produce gold and antimony.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1526243/000110465922112172/0001104659-22-112172-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1526243/000110465922112172/tm2229138d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-22-112172

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