Assay Analyzer

Professional assay QC toolkit — histogram (log/linear), Q‑Q plot, capping analysis, detection-limit handling, and metal-equivalent calculator. All client-side.

Drop your assay CSV or tap to browse

CSV with HOLE_ID, FROM, TO, Au_gpt, Cu_pct …

✓ Data loaded

Element

Top-cut ?Values above this threshold are capped for statistics. Leave empty for automatic (mean + 3σ).

BDL ?Below Detection Limit. Values ≤ this are flagged and optionally excluded from stats.

CuEq ?Copper-equivalent grade using metal prices + recoveries. Select the element column first.

Composite ?Length-weighted compositing per drillhole — standard QC before estimation. Needs Hole_ID, From, To columns.

About Assay Analyzer

What is this?

Professional-grade assay data QC for geologists and mining engineers — entirely in your browser.

Features

Histogram (linear & log scale), normal Q‑Q plot, capping analysis with auto top-cut, detection-limit (BDL) handling, copper-equivalent grade calculator, and comprehensive statistics.

Data privacy

All data stays on your device. No uploads, no servers, no tracking.

Credits

Built by Ghozian Islam Karami — Senior Geologist, Competent Person (JORC/KCMI), Founder of Orebit.

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