What Sandfire Resources America does

Sandfire Resources America Inc. is a pre-revenue mining development company advancing the 100%-owned Black Butte Copper Project in Meagher County, Montana. The company was originally incorporated as Tintina Resources Inc. in 2013 and adopted its current name in 2018 following strategic investment by Australia's Sandfire Resources Limited, which holds approximately 86.89% of outstanding shares. The entity is publicly listed on the TSX Venture Exchange under ticker TAU and on OTCQX under SRAFF, with corporate headquarters in Vancouver, BC and operational offices in White Sulphur Springs, Montana.\n\nThe flagship asset is the Johnny Lee Deposit, an underground high-grade copper deposit with grades approximately 10x the global average for many existing mines. Per the Updated Pre-Feasibility Study released in December 2025, probable mineral reserves total 9.5 million tonnes at 2.9% copper, supporting an 8-year mine life with 226,100 tonnes of contained copper at 2.6% copper grade and an upfront capital cost of US$474 million. The project employs a wholly-underground mining architecture that preserves surface land use (agriculture and ranching) and integrates engineered environmental controls, including a Cemented Tailings Facility (CTF) for paste backfill and surface storage, and reverse osmosis water treatment enabling zero-discharge water management. A second deposit, the Lowry Deposit, has been incorporated into the updated mineral resource estimate and represents potential mine-life extension optionality.\n\nThe business model is single-asset copper mining with revenue exclusively generated post-production from the sale of copper concentrate to smelters and metal trading counterparties under commercial offtake agreements. The company is pre-revenue, with cash on hand of CAD $1.77 million as of March 30, 2025 and 1.023 billion shares outstanding. Project development to date has been funded through the parent company's strategic investments (a CAD $16 million unit purchase in 2014 established the partnership; subsequent acquisitions lifted the parent's stake to approximately 57.2% in 2015) and an incrementally upsized bridge loan facility now totaling US$65.3 million as of May 2026. Operational headcount is small (11–50 employees) with approximately 200 jobs anticipated during the mine operating period. Earlier-stage modeling from the 2013 PEA indicated a pre-tax IRR of 30.5% and NPV of US$218 million at a US$3.05/lb copper price assumption.

Name

Sandfire Resources America

Legal name

Sandfire Resources America Inc.

Website

https://sandfireamerica.com

Company type

Public

Founded year

2013

Operating status

Operating

Headcount range

11–50 employees

Short description

Sandfire Resources America is a pre-revenue mining developer of the 100%-owned Black Butte Copper Project in Montana, targeting underground extraction of high-grade copper for clean energy and industrial supply chains.

Ownership category

akta.pro rank

Product category

Copper Mining

NAICS

Copper, Nickel, Lead, and Zinc Mining (212230)

SIC

Metal Mining (1000)

akta.pro primary industry

Copper Exploration & Resource Development (IMAKADAA)

akta.pro secondary industry

Copper Ore Mining (Open-Pit & Underground) (IMAKADAB)

Keywords

• Copper mining
• Mineral exploration
• Underground mining
• Mine development
• Base metals

Headquarters

HQ city

White Sulphur Springs

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Personnel, Infrastructure, Technology or R&D, Others

Distribution channels1 record

Marketing channels5 records

Core offering

Sandfire Resources America is a pre-revenue mining development company advancing the Black Butte Copper Project in central Montana, a high-grade underground copper project. The company focuses on copper exploration, permitting, and mine construction, with plans to produce copper concentrate for sale to smelters and metal traders upon commencement of operations.

Product overview

Sandfire Resources America Inc. is a mining company that operates as the American depositary receipt issuer for Australian-based Sandfire Resources Ltd. The company's primary offering is the Black Butte Copper Project, a wholly-underground copper mining operation in Montana. The project encompasses the Johnny Lee Deposit and Lowry Deposit, with the Johnny Lee being the primary target featuring copper grades 10 times higher than many existing mines. The company focuses on copper and gold production using modern mining techniques, with an updated Pre-Feasibility Study supporting an 8-year mine life with probable mineral reserves of 9.5 million tonnes at 2.9% copper and upfront capital cost of US$474 million.

Differentiator

Problem solved

Functional benefit

Products and services

• Black Butte Copper Project

Quantifiable outcome

• 8-year mine life with 9.5 million tonnes at 2.9% copper
• +3 more outcomes

Segments2 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Two partnerships are on record, tiered core and minor.

• Meagher County Stewardship CouncilcoreStrategic or Co-development Partner · 1 January 2026Sandfire Resources America and The Meagher County Stewardship Council achieved framework for a Community Benefits Agreement, demonstrating commitment to local community engagement and mutual benefit for generations to come.
• Wyoming Gold Mining Company Inc.minorOthers · 30 June 2014Purchase of 40 unpatented lode mining claims in Meagher County, Montana, USA, expanding the Black Butte Copper Project property holdings.

Scale indicators8 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Lundin Mining: Mid-cap diversified base-metal producer with material copper exposure. Provides comparable for copper concentrate offtake, smelter treatment charges, and copper price sensitivity analysis.
• Capstone Copper: Mid-cap copper producer with operating mines in the Americas. Relevant comparable for post-production valuation framework and offtake/pricing benchmarks for US copper concentrate.
• Hudbay Minerals: Diversified copper miner with North American operations including underground copper mines. Provides a peer reference for underground copper unit economics and operating cost benchmarks.
• Freeport-McMoRan: Largest US-listed copper producer with global operations including major underground copper mines. Provides strategic context on US copper supply, peer cost curve positioning, and global capital allocation for copper assets.
• Sandfire Resources Limited: ASX-listed parent company operating producing copper mines (Motheo/DeGrussa) and holder of 86.89% of Sandfire Resources America. Closest corporate parent/operator comparable and likely model for Black Butte's post-construction operating profile.

Emerging players

• Solaris Resources: Junior copper-gold developer with the Warintza project in Ecuador. Comparable as a single-asset copper developer at PFS/permitting stage, though in a different jurisdiction.
• Ivanhoe Electric: US-focused copper developer (Santa Cruz, Arizona) with proprietary Typhoon exploration technology. Relevant comparable given US copper-development focus and use of advanced technology in exploration and mining.
• Western Copper and Gold: Canadian-listed developer of the Casino copper-gold project in Yukon. Comparable as a single-asset North American copper developer in late-stage permitting/feasibility, though gold exposure differs.
• Arizona Sonoran Copper: Pre-production copper developer focused on the Cactus Project in Arizona. Comparable as a US-based, single-asset copper developer in pre-feasibility/permitting phase, though using heap-leach/SX-EW rather than underground.

Direct peers

• Taseko Mines: Mid-tier copper-focused miner/developer with the Florence Copper in-situ recovery project in Arizona. Most direct US copper-development comparable given similar single-asset, US-jurisdiction, permitting-stage profile.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks7 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/248775065305797
• LinkedInlinkedin.com/company/sandfire-resources-america-inc

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Sandfire Resources America