American Pacific Mining Prepares to Drill High-Priority Porphyry and Skarn Targets at Madison Copper-Gold Project
American Pacific Mining Prepares to Drill High-Priority Porphyry and Skarn
Targets at Madison Copper-Gold Project
Vancouver, B.C. – October 8, 2025 – American Pacific Mining Corp. (CSE: USGD | OTCQX: USGDF
| FWB: 1QC) (“American Pacific” or the “Company”) is pleased to announce Phase II drill targets
at its 100% -owned Madison Copper -Gold Project, located in the heart of the Idaho -Montana
Porphyry Belt, 43 kilometres southeast of Butte, Montana.
Having now received a key drill permit in early October, t his next phase of drilling will test
large-scale porphyry and high -grade skarn targets with step -outs and deeper holes guided by
decades of geologic mapping, geochemical sampling, geophysical surveying, and 3D structural
modeling.
Targeting the Porphyry System at Depth
The highest -priority holes will probe beneath previously intersected copper -gold skarn zones,
testing induced -polarization (IP) chargeability highs and coincident magnetic boundaries
interpreted to represent the top of a concealed porphyry copper-gold center (Figure 2).
“As our geologic team has continued to generate, compile, and model data, the source of
Madison’s high -grade skarns and veins is becoming much clearer ,” commented Managing
Director of Exploration, Eric Saderholm. “This is truly an exciting time for American Pacific given
that, less than two years ago when we started evaluating new and historic datasets, concepts like
these targets were not yet defined or well understood. At that time, we understood Madison to
be a high-grade copper-gold porphyry expression, the origins of which we could only speculate .
Today, we have a much more precise understanding of the source of those high-grade zones and
Phase II drilling will focus on these newly identified targets as we work to demonstrate Madison’s
full potential.”
Figure 1: Plan view map showing targets with section line locating Figure 2
Figure 2: Section view of proposed causative mineralizing porphyry target
Expanding High-Grade Skarn Mineralization
Step-out holes along the Silver Star structural corridor will aim to expand known zones of high -
grade copper -gold skarn mineralization. Historical intercepts included 30.18 metres of 24.50
grams per tonne (“g/t”) gold and 0.39% copper and 10.97 metres of 41.65 g/t gold and 0.38%
copper from underground drilling . The upcoming program will test down -dip and along -strike
extensions where skarn alteration remains open, particularly at lithologic contacts between the
Madison Group limestone and the Rader Creek intrusions.
Untested Structural Targets
In addition to known zones, several new areas are now within the Company’s targeted plan ,
including structurally hosted style targets defined by strong alteration, veins, and copper -oxide
staining at surface along structural pathways . Shallow holes will evaluate these features as
potential feeder conduits linking upper -level skarn and vein mineralization to deeper intrusive
sources.
District-Scale Potential
American Pacific’s geologic team has outlined multiple magnetic and geochemical anomalies
across the district. One newly mapped mafic intrusion returned assays up to 38.5 g/t Au and 33
g/t Ag from grab sampling. These anomalies will be tested with shallow reconnaissance holes to
evaluate the scale and continuity of the mineralized system across the property.
About the Madison Copper-Gold Project
The Madison Project was host to small-scale production that concluded in 2012, with 2.7 million
pounds of copper produced at grades ranging from 20 -35% copper. Subsequent drilling at
Madison in 2017 included 30.18 metres of 24.50 g/t gold and 0.39% copper and 10.97 metres of
41.65 g/t gold and 0.38% copper (UG17-05 and UG17-06, respectively). Additional production at
the nearby Broadway/Hudson Mines is reported to total ~147,000 ounces gold at 9.9 g/t and
recent drilling has provided substantial evidence to demonstrate a structural and stratigraphic
link connected the past -producing, which are located along the same northwest -trending
corridor of altered quartz monzonite and associated skarn that is now understood to be a part of
the same mineralizing system.
Full disclosure can be found in the Company’s NI 43 -101 Technical Report for the Madison
Project (americanpacificmining.com)
About American Pacific Mining Corp.
American Pacific Mining Corp. is a precious and base metals explorer and developer focused on
opportunities in the Western United States. The Company has two flagship assets: 100%-owned
Palmer Project, a Volcanic Massive Sulphide -Sulphate (VMS) project in Alaska, and the 100% -
owned Madison Project, a past -producing copper -gold project in Montana. For the Madison
transaction, American Pacific was selected as a finalist in both 2021 and 2022 for ‘Deal of the
Year’ at the S&P Global Platts Metals Awards, an an nual program that recognizes exemplary
accomplishments in 16 performance categories. Also, in American Pacific’s asset portfolio are
three high-grade, precious metals projects located in key mining districts of Nevada, USA: the
Ziggurat Gold project, the Gooseberry Silver-Gold project; and the Tuscarora Gold-Silver project.
The Company’s mission is to grow by the drill bit and by acquisition.
On behalf of the American Pacific Mining Corp Board of Directors:
Warwick Smith, CEO & Director
Corporate Office: Suite 910 – 510 Burrard Street
Vancouver, BC, V6C 3A8 Canada
Investor relations contact:
Kristina Pillon, High Tide Consulting Corp.
604.908.1695 / [email protected]
Media relations contact:
Adam Bello, Primoris Group Inc.
416.489.0092 / [email protected]
Full disclosure can be found in our NI 43-101 Technical Report for the Madison Project at
www.americanpacificmining.com.
The Canadian Securities Exchange has neither approved nor disapproved the contents of this
news release.