
Module 2: Why Gold Follows the Strike
Title:
Why Gold Follows the Strike – How to Track Lateral Movement in Gold Veins
Description:
In this second module of Strike vs Dip Zone Gold 101, we break down why gold often follows the strike of a vein or fault system—and how that lateral movement helps you track enrichment zones across a hillside or a claim.
Understanding how gold moves along strike is one of the most important tools in hard rock prospecting. It teaches you how to walk the system, where to look for repeat targets, and how to pattern your sampling to find structure-controlled pay zones.
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🪨 What Is Strike?
Strike is the horizontal direction a geologic structure—like a vein, fault, or contact—follows across the surface. It’s like the “compass heading” of a mineralized system.
In gold-bearing veins, the strike trend is often where:
• Multiple enrichment pockets align
• Historic workings were spaced out
• Shoots or swellings repeat every 20–50 feet
This is because gold-bearing fluids move not just vertically—but laterally along open fractures.
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🌋 How Gold Moves Along Strike
In a stable fault or vein, gold-rich fluids can move for hundreds of feet. These fluids follow the path of least resistance—along open bedding planes, shears, or fractures that strike consistently.
As they move:
• Fluids drop gold where the pressure or chemistry changes
• Multiple ore shoots may form along the same strike
• Surface expressions may repeat: quartz blowouts, rust halos, breccia
Strike controls the “string of pearls” effect—where gold zones repeat along the same line.
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🔍 What to Look For in the Field
Strike-following structures often show:
• Vein swelling and pinching at consistent intervals
• Gossans or rusted alteration spaced across the ridge
• Breccia pods or boxwork near the same horizon
• Old trench lines or pits set in a pattern along a visible trend
These are surface signals that gold was following the rock’s horizontal direction—and possibly forming pockets you can still reach today.
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⚒️ Sampling Strategy for Strike Zones
Strike helps you organize your sampling method. Here’s how:
• Walk the strike direction of a known vein or fault
• Sample at every change—where the vein widens, alters, or bleeds rust
• Use a GPS or map to note spacing—gold shoots often repeat at similar intervals
• Keep notes on structural changes—jogs, steps, or splays can concentrate gold
Pro tip: Don’t just sample straight lines—sample where strike meets change.
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🛰️ Map Strike Zones with AI Tools
Our AI Gold Maps let you:
• Plot known fault strikes across terrain
• Overlay historic production and alteration trends
• Identify linear controls where gold followed strike over distance
Use this data to walk into the field with direction. Strike zones show up on the map—your job is to trace them on foot and test them in the right spots.
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🎓 Takeaway
Gold rides structure. And when that structure moves sideways across the rock, gold follows.
Strike isn’t just a direction—it’s a pattern. One that leads from outcrop to outcrop, from trench to trench, and from quartz to gold.
📥 Download the Module 2 Strike Guide and learn to follow the trend—not just the glitter.
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