Silver prospectivity
across Australia, the USA & Canada.
Epithermal and vein silver, ranked and explained — validated nationally across three countries.
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What the model reads for silver.
Every silver target is scored on the same seven lines of evidence — with a pathfinder-geochemistry signature tuned to this system.
Host rock
rock type and age
Gravity & magnetics
buried structures and intrusions
Radiometrics
potassium, thorium, uranium
Terrain shape
elevation, slope, aspect
Surface texture
radar (Sentinel-1)
Alteration
mineral signatures from satellite
Pathfinder chemistry
the elements that point to your commodity
Pathfinder geochemistry the model weighs
Lead signal: The epithermal suite — tellurium, thallium and mercury. These are the elements this national model actually reads to rank silver ground.
What is silver?
Silver is a precious metal that is also a genuine industrial workhorse, and the two roles keep demand for it broad and persistent. MineDSS focuses on the epithermal and vein systems that host much of the world's primary silver — mineralisation deposited in the shallow crust from hot, circulating fluids, typically in and above volcanic arcs. These are the classic bonanza vein and disseminated deposits, where silver occurs as native metal, argentite and sulphosalts alongside gold and base-metal sulphides. This page covers that epithermal route specifically; the base-metal silver that travels with lead and zinc in SEDEX and VMS settings is a distinct system modelled separately.
The deposit model
Epithermal and vein silver forms at shallow crustal levels, where near-surface hydrothermal fluids deposit metal in veins, stockworks and breccias, most often in felsic to intermediate volcanic and volcaniclastic rocks above active or recently active magmatic systems. Mineralisation is strongly structurally controlled — hosted along faults, fissures and volcanic conduits — and carries a diagnostic alteration halo, from silicification and quartz-adularia through argillic clays to broader propylitic zones. Silver sits with gold, base-metal sulphides and sulphosalts. MineDSS reads these settings through mapped geology and rock age, gravity and magnetic structure, radiometrics, terrain, satellite-mapped alteration minerals, and the pathfinder geochemistry below — so a ranked target reflects the whole shallow hydrothermal footprint, not a single vein exposure.
Why it matters
Silver occupies an unusual position: a monetary and investment metal with deep, liquid markets, and at the same time an irreplaceable industrial input. That dual demand makes it structurally resilient across commodity cycles. Its industrial pull is increasingly tied to electrification and the energy transition — photovoltaics above all — while investment and monetary demand persist independently. Because much silver is produced as a by-product of gold and base-metal mining, primary epithermal silver remains a distinct and continuously pursued exploration target, keeping the search for new vein systems active across the Americas and Australia.
Where it's used
Silver has the highest electrical and thermal conductivity of any metal, which anchors its industrial use. It is essential to solar photovoltaic cells, printed and flexible electronics, contacts, switches and conductive pastes, and to brazing alloys and high-reliability soldering. Its antimicrobial properties support medical and water-treatment uses, and its optical behaviour serves mirrors, catalysis and specialised coatings — alongside enduring roles in investment bullion, jewellery and silverware.
How MineDSS reads it
The model weighs a full pathfinder suite alongside geophysics and satellite alteration, led here by the epithermal signature of tellurium, thallium and mercury. It reads these together with gold, arsenic, antimony, lead, zinc, copper, molybdenum, bismuth, barium, cadmium, sulphur and selenium, so a ranked target reflects the whole shallow hydrothermal system — its structure, alteration and metal association — rather than a single anomalous sample.
Silver prospectivity — common questions
Which silver deposit types does MineDSS model?
This page covers epithermal and vein silver systems — the shallow-crustal hydrothermal deposits, typically in volcanic settings, where silver occurs as native metal, argentite and sulphosalts alongside gold and base-metal sulphides. It is deliberately distinct from base-metal silver, which travels with lead and zinc in SEDEX and VMS settings and is modelled separately as the lead-zinc-silver system, so each is ranked against the geology that actually controls it.
How is the model's accuracy measured?
We validate every model the hard way — held-out spatial cross-validation. We hide known deposits, rebuild the model without them, then test whether it still finds them, with test blocks kept spatially separated so it cannot memorise nearby points. We are currently refreshing our published national skill figures so they reflect deployment-time performance, and will republish them per model. Coverage today spans Australia, the United States and Canada; the figures are model-level skill, never a specific site's measured accuracy, and never a discovery or JORC / NI 43-101 resource claim.
What pathfinder elements does the silver model read?
A broad epithermal-focused geochemical suite: tellurium, thallium and mercury as the epithermal signature, together with gold, arsenic, antimony, lead, zinc, copper, molybdenum, bismuth, barium, cadmium, sulphur and selenium. These are read alongside geophysics, radiometrics, terrain and satellite-mapped alteration, so a target reflects the mineralising system as a whole rather than one element or one sample.
Does a high silver ranking mean there is a deposit or a resource?
No. MineDSS ranks ground by geological and geochemical similarity to known epithermal and vein silver systems — it highlights where the conditions and footprint are favourable, to help prioritise where to look next. A high ranking is not a discovery, not a JORC or NI 43-101 resource or reserve estimate, and not drilling or investment advice. Ground truth still requires fieldwork, sampling and drilling.
Other commodities we model
Better silver targets. Evidence you can check.
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