Gilpin County, Colorado  •  Federal Patent  •  1875

America's germanium
deposit, held under
a federal patent.

A federally patented mining asset in Colorado's historic mineral belt — confirmed sphalerite ore, existing underground workings, and extralateral rights extending the mineral estate to unlimited depth.

Inquire about partnership
#1
Defense-Critical Mineral
Listed by USGS & DoD
~80%
U.S. Import Dependence
on China for Germanium
2023
China Export Controls
Imposed on Germanium
Mine adit and underground workings, Gilpin County Colorado

01 — Securing the Supply Chain

A federally patented critical-minerals asset, structured for strategic partnership.

Germanium Lode controls a federally patented mining claim in Colorado's mineral belt — issued under the Mining Act of 1866, recorded with the BLM, with confirmed sphalerite mineralization and existing underground workings.

We are actively engaged with the Department of Defense (DIBC), the Department of Energy (CMMA / AMMTO), and USTDA on the Critical Minerals Partnership.

Location
Gilpin County, Colorado
Colorado Mineral Belt
Patent Basis
Mining Act of 1866
BLM-recorded, 1875
Primary Ore
Sphalerite (ZnS)
Confirmed at surface
Federal Engagement
DoD · DoE CMMA
USTDA

02 — The Critical Need

Why germanium.
Why now.

Germanium is a defense-critical semiconductor mineral with no commercial-scale domestic primary production in the United States. China controls approximately 80% of global germanium supply and imposed export restrictions in July 2023 — a direct response to U.S. semiconductor controls.
The USGS lists germanium as a critical mineral. The Department of Defense has identified domestic germanium sourcing as a strategic priority. No new domestic primary germanium project has been brought into production in over a generation.
01

Infrared Optics

Night-vision and thermal imaging for military systems

02

Fiber Optic Cables

Backbone of global communications infrastructure

03

Solar Photovoltaics

Multi-junction cells for satellites and concentrated solar

04

Semiconductor Wafers

Next-generation electronics and radar systems

“Germanium is to infrared optics what silicon is to computers.”

03 — The Asset

Legal certainty.
Mineral potential.

Germanium Lode controls a federally patented mining claim in Gilpin County, Colorado — issued under the Mining Act of 1866 and recorded with the Bureau of Land Management. The mineral estate is privately held with no federal reservations.

01 / 06

Federal Patent — 1875

Issued under the Mining Act of 1866. Full mineral estate privately held. No federal mineral reservations. BLM-recorded with confirmed patent chain.

02 / 06

Extralateral Rights

Patent grants the right to follow the vein “to any depth, although it may enter the land adjoining said claim.” The mineral estate extends well beyond surface boundaries wherever the vein dips.

03 / 06

Confirmed Sphalerite Ore

Zinc sulfide (ZnS) vein mineralization confirmed at surface. Sphalerite is the primary host mineral for germanium in base metal districts globally.

04 / 06

Existing Underground Workings

Active mine shaft and workings in place from historic operations. Blower ventilation infrastructure confirmed. Direct vein access without new excavation.

05 / 06

USGS-Documented REE Corridor

Located in the Fourmile Creek critical minerals corridor. USGS Earth MRI surveys document elevated Yttrium, Ytterbium, Gadolinium, and Samarium.

06 / 06

Immediately Accessible

Vein system exposed at surface via a road cut through the full claim width. Surface sampling can commence without excavation, disturbance permits, or federal review.

04 — Minerals Profile

Nine critical material
streams. One asset.

Ge
Germanium — Primary Target
HostConfirmed sphalerite (ZnS) on-site
ApplicationInfrared optics, fiber optics, multi-junction solar, semiconductor wafers
Supply RiskChina export-controlled since July 2023; U.S. 100% import-dependent
ListedUSGS Critical Minerals List · DoD Strategic Priority

REE & Co-Products — Secondary Streams

Y
Yttrium
REE — Secondary
Elevated concentrations in USGS Fourmile Creek surveys. YAG lasers, LED phosphors, Y-90 oncology.
Yb
Ytterbium
REE — Secondary
Documented in USGS corridor surveys. Fiber lasers, directed-energy, atomic clocks for GPS.
Gd
Gadolinium
REE — Secondary
USGS documented. MRI contrast agents, neutron shielding, defense radar microwave devices.
Sm
Samarium
REE — Secondary
SmCo magnets for missiles, jet engines, satellites. No viable substitute in high-temp defense applications.
Au
Gold
Precious — Co-product
Central City district produced ~85% of dollar value as gold (USGS PP 359, 1963). Grade to be confirmed by Phase 1 assay.
Ag
Silver
Precious — Co-product
Confirmed — galena (PbS-Ag) primary in vein. Designated U.S. critical mineral 2026.
Zn·Pb·Cu
Zinc · Lead · Copper
Base Metals — Co-products
Sphalerite, galena, chalcopyrite. Primary ores — Ge and Ag recovered as byproducts of Zn/Pb smelting.
Tailings
Mine Tailings
Secondary Feedstock
On-property historical tailings. REE, Ge, and Ag recovery without new mining. DOE CMMA Topic Area 1C filed.

05 — Geology

District-scale geology.
Claim-scale legal rights.

The project is located in the Colorado Mineral Belt — a northeast-trending hydrothermal corridor that produced more than $1 billion in gold, silver, zinc, lead, and uranium from the 19th century through the mid-20th century.

The Central City mining district (Gilpin County) is the most productive camp in the Front Range mineral belt (USGS Professional Paper 359, 1963). Individual vein systems are documented over strike lengths of 1 to 5+ miles, with economic widths maintained at depths exceeding 1,500 feet.

Mineralization was driven by Laramide-age porphyritic intrusions into Precambrian metamorphic host rocks approximately 65 million years ago.

Extralateral Rights — Depth Extension

At 1,000 ft depth 350–700 ft lateral extension
At 1,500 ft depth 525–1,050 ft lateral extension
Phase 1 will quantify Full 3D resource envelope
Sphalerite ore sample
SURFACE SURFACE CLAIM 500 1000 1500 2000 VEIN EXTRALATERAL ft ft ft
Cross-section — surface claim vs. extralateral mineral estate at depth
Germanium optical component

07 — Partnership

Three pathways
to partnership.

We are actively engaged with federal agencies and welcome inquiries from operators, national laboratories, and capital partners.

01 / 03
For
Junior mining companies, critical minerals producers

Strategic JV / Acquisition

Open to JV and acquisition discussions with companies bringing underground mining expertise, processing capabilities, or active germanium / REE portfolios.

We Offer
Site access Mineral estate Federal submission history USGS data package Underground workings Extralateral rights
We Seek
Underground mining expertise Processing technology Phase 1 capital
02 / 03
For
National laboratories, universities, technology developers

Process Development Collaboration

Project structured as a demonstration site for domestic germanium extraction from sphalerite and REE recovery from tailings. National lab partnerships are a priority.

We Offer
Feedstock supply Site access Project management Federal co-submission framework Cost-share commitment
We Seek
Bench-scale R&D TEA / LCA support National lab letter of support
03 / 03
For
Family offices, PE funds, critical minerals investors

Equity Investment

Phase 1 characterization estimated at $280K–$500K. Unlocks Phase 2 ($2M DOE CMMA) and Phase 3 pilot ($8M–$20M+) funding paths.

We Offer
Equity stake Project milestone rights First right of refusal on future rounds
We Seek
$280K–$500K Phase 1 capital Patient, sophisticated investor

09 — Inquire

Open to strategic partnership.

We are actively engaged with federal agencies and welcome inquiries from operators, national laboratories, and capital partners.

All inquiries are handled personally and held in confidence.

DoD · DoE · USTDA
Germanium Lode is engaged with the Department of Defense (DIBC), the Department of Energy (CMMA / AMMTO), and USTDA on the Critical Minerals Partnership. Federal agency inquiries are welcome through this form.
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Gilpin County, Colorado · All inquiries confidential