Spartan Metals IdenƟfies Two New Tungsten-Silver-Rubidium Targets at its Eagle Project, Nevada
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Spartan Metals IdenƟfies Two New Tungsten-Silver-Rubidium Targets
at its Eagle Project, Nevada
Vancouver, Canada, December 9, 2025 – Spartan Metals Corp. (“Spartan” or the “Company”) (TSX-V: W |
OTCQB: SPRMF | FSE: J03) is pleased to announce the discovery of two new tungsten-silver-rubidium
exploraƟon targets at the Tungstonia deposit part of the company’s 100% owned Eagle Tungsten-Silver-
Rubidium Project (“Eagle” or “Project”) in eastern Nevada.
Highlights:
Soil samples taken provided near complete coverage of the original Tungstonia and Rees claim
blocks on 100-meter (“m”) x 100m grid totalling approximately 2,100 samples covering about 20
square kilometers (“km2”).
Encouraging grades in soil at Tungstonia suggest near-surface mineralizaƟon included:
o Tungsten up to 272 parts per million (“ppm”) with 76 samples over 50 ppm
o Silver up to 5.9 grams per tonne (“g/t”) with 57 samples over 1.0 g/t
o Rubidium up to 537 ppm with 56 samples over 300 ppm
Discovered two new exploraƟon targets:
o Significant ~2.0 km x ~1.7 km anomaly outlined by coincident tungsten-silver-rubidium
enrichment on western por Ɵon of Tungstonia claims that follows the same structural
trends and spacings observed at the legacy past-producing Tungstonia mine
approximately 1.5 km to northwest
o SubstanƟal ~0.75 km x ~2.1 km anomaly in southeast por Ɵon of Tungstonia claims
trending southeast
AddiƟonal soil sampling planned to extend to the boundary of the newly staked Tungstonia claims
Soil sample results from the 2025 surface geology program that commenced on October 16, 2025, have
outlined an approximate 2.0 km x 1.7 km surface anomaly that is aligned with regional trends observed at
past-producing Tungstonia Mine and a second 0.75 km x 2.1 km surface anomaly in the southeast porƟon
of the Tungstonia claims that confirm mapped veins and structured iden Ɵfied earlier this year . The soil
results from the Rees block did not yield any new targets. The results of the soil sample program will help
generate drill targets for a spring 2026 drill program.
BreƩ Marsh, Spartan’s President and CEO, states, “These soil results are very exciƟng as they validate our
exploraƟon model and generate important steps toward defining drill targets at Tungstonia. We iniƟated
our surface explora Ɵon program with two key objec Ɵves; to extend the known veins at the legacy
Tungstonia mine, and to define new veins in the western por Ɵon of the Tungstonia Claim block. I believe
the results of the hard work completed by our team has successfully met those objecƟves.”
Mr. Marsh conƟnues, “The strength and extent of the anomalies — in some cases exceeding those observed
around the past-producing Tungstonia mine — highlight the poten Ɵal for a significantly larger mineral
system than historically recognized. These new targets strengthen Spartan’s posiƟon within the U.S. criƟcal
minerals onshoring landscape. Our team is eager to conƟnue working with our data to generate
meaningful drill targets for a drill program in the spring of 2026.”
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Tungsten in the soil samples at Tungstonia showing two anomalous zones. The Western Tungsten Anomaly
is aligned with the north-northeasterly structural trend observed at the legacy Tungstonia mine. The
Southeastern Tungsten Anomaly appears to coincide with intrusive contacts with carbonaceous sediments
that could extend further to the southeast. Note that the soil results in these anomalies appears to be
stronger than those obtained from the known Tungstonia mine area suggesƟng significant new exploraƟon
potenƟal (Figure 1).
Silver in the soil samples at Tungstonia showing two anomalous zones coinciding with the tungsten
anomalies shown in Figure 1. Note that the soil results in these anomalies appears to be stronger than
those obtained from the known Tungstonia mine area sugges Ɵng significant new explora Ɵon potenƟal
(Figure 2).
Rubidium in the soil samples at Tungstonia showing two anomalous zones coinciding with the tungsten
and silver anomalies shown in Figures 1 and 2 respec Ɵvely. Note that the soil results in these anomalies
appears to be stronger than those obtained from the known Tungstonia mine area sugges Ɵng significant
new exploraƟon potenƟal (Figure 3).
Significance of Soil Results
Soil sampling is typically used at early stages of exploraƟon to quickly idenƟfy geochemical anomalies that
can indicate underlying mineraliza Ɵon, veins, favorable altera Ɵon, or to help understand geological
controls such as, structural trends. Soils form from breakdown of underlying rock and higher grades
(hundreds of parts per million or several grams per tonne) can be indica Ɵve of mineralizaƟon near the
surface and increase confidence that the idenƟfied anomalies are genuine. Tungsten, silver, and rubidium
at the Tungstonia claims show overlapping elevated values that are reasonably well aligned regional
structural trends that control mineralizaƟon at the legacy Tungstonia mine, so the newly defined targets
are potenƟally material and could be significant addiƟons to the mineralizaƟon at the Tungstonia deposit.
AddiƟonally, the soil results in these two anomalous areas appear to have a stronger signature that what
was returned over the legacy past-producing Tungstonia mine area. This is potenƟally indica Ɵve of
meaningful tungsten, silver, and rubidium mineralizaƟon in these large areas.
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Figure 1 Tungsten in soils at Tungstonia showing two anomalous zones: the Western tungsten Anomaly
and the Southeastern Anomaly.
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Figure 2 Silver in soil at Tungstonia showing two anomalous zones coinciding with the tungsten anomalies
shown in Figure 1.
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Figure 3 Rubidium in soils at Tungstonia showing two anomalous zones coinciding with the tungsten and
silver anomalies shown in Figures 1 and 2, respecƟvely.
QA/QC Procedures
Samples were submi Ʃed to American Assay Lab (AAL) of Sparks, Nevada, which is a cer Ɵfied and
accredited laboratory, independent of the Company. Samples are prepared using industry standard-prep
methods and analyzed using method IO-4AB51 (51 element suite: 0.5g 4-acid plus boric acid hot block,
ICP-OES plus IM-4ABEx ICP-MS for Rb. AAL undertakes its own internal coarse and pulp duplicate analysis
to ensure proper sample prepara Ɵon and equipment calibra Ɵon. Spartan’s QAQC includes regular
inserƟon of CRM standards, duplicates, and blanks with a stringent review of results completed by the
Company’s Qualified Person, BreƩ R. Marsh, President and CEO of Spartan Metals.
About The Eagle Project
The Eagle Project presents a unique opportunity to delineate one of the largest and highest-grade
Tungsten (“W”) and Rubidium (“Rb”) districts in the United States. The Project consists of the past-
producing high-grade Tungstonia and Rees/Antelope tungsten (W-Cu-Ag) mines. Opera Ɵons at these
mines were from 1915 to 1942 with intermi Ʃent small-scale produc Ɵon occurring un Ɵl 1956. Tungsten
producƟon from these two mines totaled 8,379 units at grades between 0.6%-0.9% WO3 (1).
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The Project is ~36.5 km² in size and located approximately 120 kilometers northeast of the town of Ely, in
the Kern Mountains of White Pine County, Nevada. The Project covers 9,033 acres consisƟng of 445 Bureau
of Land Management (BLM) unpatented lode mining claims.
Three deposit types are present at Eagle; Porphyry, Skarn, and Carbonate Replacement (CRD) that contain
significant or anomalous grades of Tungsten (W), Silver (Ag), and Rubidium (Rb) plus Cu-Sb±Au-Pb-Zn-Bi-
As across three project focus areas that also includes the potenƟal to recover W-Rb-Ag from the legacy
Tungstonia Mill Tailings.
(1) Nevada Bureau of Mines and Geology (1988), BulleƟn 105 p213-217
The technical informaƟon contained in this news release has been prepared under the supervision of, and
approved by BreƩ R. Marsh, CPG. Mr. Marsh is President and CEO of Spartan Metals Corp. and a “qualified
person” as defined under NaƟonal Instrument 43-101 – Standards of Disclosure for Mineral Projects.
About Spartan Metals Corp.
Spartan Metals is focused on developing cri Ɵcal minerals projects in well-established and stable mining
jurisdicƟons in the Western United States, with an emphasis on building a por ƞolio of diverse strategic
defense minerals such as Tungsten, Rubidium, AnƟmony, Bismuth, and Arsenic.
Spartan’s flagship project is the Eagle Project in eastern Nevada that consists of the highest-grade historic
tungsten resource in the USA (the past-producing Tungstonia Mine) along with significant under-defined
resources consisƟng of: high -grade rubidium; an Ɵmony; bismuth; indium; as well as precious and base
metals. More informaƟon about Spartan Metals can be found at www.SpartanMetals.com
On behalf of the Board of Spartan
“BreƩ Marsh”
President, CEO & Director
Further InformaƟon:
BreƩ Marsh, M.Sc., MBA, CPG
President, CEO & Director
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policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this press
release
Forward Looking Statements
This news release contains statements that cons Ɵtute “forward-looking statements.” Such forward looking statements involve
known and unknown risks, uncertain Ɵes and other factors that may cause the Company’s actual results, performance or
achievements, or developments in the industry to differ materially from the an Ɵcipated results, performance or achievements
expressed or implied by such forward-looking statements. Forward-looking statements are statements that are not historical facts
and are generally , but not always, iden Ɵfied by the words “expects,” “plans,” “an Ɵcipates,” “believes,” “intends,” “esƟmates,”
“projects,” “poten Ɵal” and similar expressions, or that events or condi Ɵons “will,” “would,” “may,” “could” or “should”
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occur. Forward-Looking InformaƟon in this news release, Spartan has applied several material assump Ɵons, including, but not
limited to, assump Ɵons that : the current objec Ɵves concerning the Company’s projects can be achieved and that its other
corporate ac ƟviƟes will proceed as expected; that general business and economic condi Ɵons will not change in a materially
adverse manner; and that all requisite informaƟon will be available in a Ɵmely manner.
Although the Company believes the forward-looking informaƟon contained in this news release is reasonable based on informaƟon
available on the date hereof, by their nature forward- looking statements involve known and unknown risks, uncertain Ɵes and
other factors which may cause our actual results, performance or achievements, or other future events, to be materially different
from any future results, performance or achievements expressed or implied by such forward-looking statements. By their nature,
these statements involve a variety of assumpƟons, known and unknown risks and uncertainƟes and other factors, which may cause
actual results, levels of acƟvity and achievements to differ materially from those expressed or implied by such statements.
Examples of such assumpƟons, risks and uncertainƟes include, without limitaƟon, assumpƟons, risks and uncertainƟes associated
with general economic condiƟons; adverse industry events; future legislaƟve and regulatory developments; the Company’s ability
to access sufficient capital from internal and external sources, and/or inability to access sufficient capital on favorable terms; the
ability of the Company to implement its business strategies; compe ƟƟon; the ability of the Company to obtain and re tain all
applicable regulatory and other approvals and other assumpƟons, risks and uncertainƟes.
THE FORWARD-LOOKING INFORMATION CONTAINED IN THIS NEWS RELEASE REPRESENTS THE EXPECTATIONS OF THE
COMPANY AS OF THE DATE OF THIS NEWS RELEASE AND, ACCORDINGLY , IS SUBJECT TO CHANGE AFTER SUCH DATE. READERS
SHOULD NOT PLACE UNDUE IMPORTANCE ON FORWARD-LOOKING INFORMATION AND SHOULD NOT RELY UPON THIS
INFORMATION AS OF ANY OTHER DATE. WHILE THE COMPANY MAY ELECT TO, IT DOES NOT UNDERTAKE TO UPDATE THIS
INFORMATION AT ANY PARTICULAR TIME EXCEPT AS REQUIRED IN ACCORDANCE WITH APPLICABLE LAWS.