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Progress in Earth and Planetary Science
Fig. 2 | Progress in Earth and Planetary Science

Fig. 2

From: Imaging crustal features and Moho depths through enhancements and inversion of gravity data from the Philippine island arc system

Fig. 2

Topographic and bathymetric map of the Philippines modified from GEBCO (2020) (https://download.gebco.net) showing major structural and tectonic features. The trenches surrounding the Philippine archipelago correlate with the deep bathymetric features. The topographic highs of Luzon Island include Central Cordillera (CC), Sierra Madre (SM), and Zambales Range (ZR). Katanglad Mountains (KM) and Daguma Range (DR) are the prominent elevated areas in Mindanao Island. Black-line boxes represent the locations of the specific areas where the 2-D radially averaged power spectrum technique (SS) and 3-D gravity inversion (CV, ICL, C, AD) were applied. CV = Cagayan Valley Basin, ICL = Ilocos-Central Luzon Basin, AD = Agusan-Davao Basin, C = Cotabato Basin, SS = Sulu Sea, BR = Benham Rise. A–A′, B–B′, C–C′, D–D′ are section lines representing the geological cross sections presented in Figs. 10 and 11

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