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Hard Rock Gold Processing

A process-led discussion from ore characteristics and primary crushing through grinding, gravity recovery and concentration.

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Illustrated process

A hard-rock gold gravity route

Follow one illustrated route from ore preparation to gravity concentration and water reuse.

  1. Crush and screen

    Crushing and screening prepare feed for the mill. Screen oversize returns for further crushing.

  2. Grind and classify in closed circuit

    A ball mill works with a spiral classifier. Coarse material returns to the mill; fine slurry continues to the concentrator.

  3. Concentrate and clean

    A centrifugal concentrator produces rough concentrate for shaking-table cleaning. Middlings return within the illustrated circuit.

  4. Thicken and recycle water

    Tailings are thickened for further treatment, while clarified water returns to the process.

This is a process illustration, not project footage. Final design depends on ore testwork and project requirements.

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hard-rock gold gravity process animation poster
3D process illustration · English text · 32 seconds · No audio.
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Crushing and screening feed a ball mill and spiral-classifier closed circuit, followed by centrifugal concentration, shaking-table cleaning, tailings treatment and water recycle.
Hard-rock gold process diagram
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Ore characteristics

Hard rock gold projects begin with understanding the ore and its mineral association. Material behavior, feed condition and the degree of liberation needed should be reviewed before a final equipment direction is selected.

Primary crushing

Primary crushing prepares feed for later stages. Jaw crusher direction depends on actual feed size, material hardness, required capacity and downstream target.

Grinding

Grinding is considered in relation to liberation and the intended recovery route. Target size and ore behavior must be reviewed in process context.

Gravity recovery

Equipment

Centrifugal Concentrators

Explore recovery context.

Learn more →

Concentration

Concentration is discussed after feed preparation, liberation and classification considerations are clear. No recovery rate or performance result is promised without material testing and project review.

Equipment selection factors

Ore and mineral associationDescribe the ore and any available mineral or test information before selecting a route.
Feed sizeState the largest feed size so the crushing and preparation stages can be reviewed.
Target size / liberationExplain the target grind or liberation objective rather than assuming one fixed output size.
Required capacityProvide the required throughput so each stage can be considered as part of one line.
Power and site conditionsShare the available power supply and site constraints that may affect the configuration.
Recovery objectiveClarify the intended concentrate or recovery route without assuming a fixed performance result.

Real equipment references

Identify the equipment at each stage

These separate equipment photographs help identify crushing, grinding and concentration stages. The final circuit and equipment sizes depend on ore testing and the project layout.

Jaw crusher feed opening and flywheels
Crushing: feed opening and flywheels. Equipment details →
Ball mill drum, access cover and ring gear
Grinding: drum, ring gear and access cover. Equipment details →
Shaking table deck and drive assembly
Concentration: deck and drive arrangement. Equipment details →

Inquiry support

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Send material, feed size, required capacity, target size and power supply to begin a focused equipment conversation.

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