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Table 2 Geological and tectonic controls for prospective areas in Madagascar

From: Classification of geothermal systems in Madagascar

Region North Central West
Area Ambilobe Ambanja Itasy Antsirabe Miandrivazo Morondava
Tectono-metamorphic domain Bemarivo Antananarivo Ikalamavony Morondava basin
Plate tectonic setting or geologic system Sedimentary/basement normal fault boundary Intracontinental rift Sedimentary/basement normal fault boundary Sedimentary passive margin basin with horst and graben structures
Graben Pull-apart basin Half-graben
Geothermal play type Extensional domain
Dominant geologic control Faults/fractures
Heat source Shallow Moho Shallow Moho and fossil magma chamber                                                           Shallow Moho
Selected references Tucker et al. (2014)
Rossi (1980)
Lardeaux et al. (1999)
Estrade (2014)
Cucciniello et al. (2016)
Andrianaivo and Ramasiarinoro (2010a, b)
Hochstein (1988)
Reed (1983)
Rasoanimanana et al. (2012)
Rufer (2009)
Razafimbelo (1987)
Reeves (2014)
Rajaomazava (1992) Rindraharisaona et al. (2017)
Piqué et al. (1999a, b)