Biogenic Influence on Geological Dendrites

Computational morphometric framework for distinguishing abiotic from biologically-mediated mineral dendrites

100% LDA Accuracy AUC = 1.0 92.8% Best Single Feature 4 Significant Features

Abiotic vs Biotic Morphometric Comparison

Diagnostic Criteria Accuracy

Fisher LDA Feature Importance

Effect Size (Cohen's d)

Morphometric Comparison

FeatureAbiotic MeanBiotic MeanCohen's dp-value
Fractal Dimension1.7721.8701.7014.04e-06
Branch Width11.61512.9092.0779.50e-08
Tip Density40.98436.4570.4550.158
Lacunarity25.97126.3000.5910.069
Compactness10.82016.5282.8227.30e-11
Branching Ratio141.722174.3810.7030.032

Diagnostic Criteria Details

FeatureThresholdAccuracyDirection
Compactness13.6740.928Biotic higher
Branch Width12.2620.863Biotic higher
Fractal Dimension1.8210.830Biotic higher
Branching Ratio158.0510.643Biotic higher
Lacunarity26.1350.619Biotic higher
Tip Density38.7200.593Abiotic higher