Malagasy orogeny
Malagasy orogeny is the name given to the Ediacaran to Cambrian orogeny that resulted as India collided with the already amalgamated African continent that consisted of Azania and the Congo-Tanzania-Bangweulu Block.[1] The orogeny affected the parts of the East African Orogen[2] that are now found in southern India, Madagascar and central Arabia.
The term "Malagasy orogeny" was introduced by Collins & Pisarevsky 2005 for the orogenisis between India and a series of Gondwanan cratonic blocks in present-day Africa (Congo/Tanzania/Bangweulu/Azania). In their reconstruction, India collided with Australia/Mawson in the Kuunga orogeny before the formation of Gondwana.[3] They identified the Betsimisaraka suture in eastern Madagascar as the boundary between the African and India terranes.[4]
See also
- Geology of Madagascar
- Geology of India
- Geology of Tanzania
- Geology of Mozambique
- Geology of South Africa
References
- ^ Collins & Pisarevsky 2005
- ^ Stern 1994
- ^ Collins & Pisarevsky 2005, Abstract
- ^ Collins & Pisarevsky 2005, p. 257
Bibliography
- Collins, A. S.; Pisarevsky, S. A. (2005). "Amalgamating eastern Gondwana: The evolution of the Circum-Indian Orogens" (PDF). Earth-Science Reviews. 71 (3–4): 229–270. Bibcode:2005ESRv...71..229.. doi:10.1016/j.earscirev.2005.02.004. Retrieved 4 September 2017.
- Stern, R. J. (1994). "Arc assembly and continental collision in the Neoproterozoic East African Orogen: implications for the consolidation of Gondwanaland" (PDF). Annual Review of Earth and Planetary Sciences. 22 (1): 319–351. doi:10.1146/annurev.earth.22.1.319. Retrieved 16 September 2017.
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