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🧪 Geochemical Anomaly Survey: Threshold & Contour Mapping (2D)

2D soil/stream-sediment geochemical survey: sparse sample points, a mean + k·σ anomaly threshold, and Gaussian kernel-regression contouring that traces isopleths pointing back toward a hidden ore body.

Geology & Earth Science2DModerate60 FPS📱 Mobile-adapted⇄ 3D version

This 2D companion turns the 3D geochemical-survey scene into a working exploration-geochemistry instrument: sparse, randomly placed soil samples each carry a simulated trace-element concentration drawn from a log-normal background plus a hidden ore body's dispersion halo, a mean + k·σ statistical threshold separates true anomalies from background noise exactly the way a geochemist screens assay data, and a Gaussian kernel-regression grid — contoured with marching squares into isopleth lines — reconstructs the plume shape from the discrete samples alone, letting you watch the anomaly footprint sharpen or dissolve as you change sample density, threshold sensitivity, source strength and the dispersion halo's spread.

⚙ Under the hood

2D soil/stream-sediment geochemical survey with a mean + k·σ anomaly threshold and Gaussian kernel-regression contouring that reconstructs isopleth lines from sparse samples alone.

geochemical surveyanomaly thresholdkernel regressionisopleth contouringexploration geochemistrymarching squares

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install