Supporting Information—Mapping the Thermal Architecture of the Nigerian Crust

The per-window Curie-point-depth results for the continuous wavelet transform (CWT) and windowed Fourier transform (WFT) analyses of the EMAG2-v3 anomaly field over Nigeria at fractal exponents β = 3 and β = 4 are supplied as out_cwt_3.csv, out_cwt_4.csv, out_wft_3.csv, and out_wft_4.csv, respectively; the corresponding per-window results for the western Pacific validation dataset (Yin et al., 2021) at β = 3 are provided in out_cwt_y3.csv and out_wft_y3.csv; and the per-window auto-β WFT results are provided in out_wft_autob.csv. In addition, all power-spectrum plots generated for every analysis window, for both the CWT and WFT methods and for both fractal exponents β = 3 and β = 4, are included as "B3_Spectral" and "B4_Spectral", respectively.