Portable XRF for Geology Field Camps

Screen pathfinders in the field — prioritize lab assay dollars on the best samples.

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Field workflows

1. Core logging — As, Cu, Pb, Zn along strike
2. Soil grids — GPS-tagged readings for anomaly maps
3. Bagged samples — rapid triage before lab submission

Limits

XRF on rocks measures near-surface composition — weathering and mineralogy affect readings. Use for screening, not reserve estimation without lab validation.

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