Malagasy orogeny
The Malagasy orogeny is 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 orogenesis 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". Earth-Science Reviews. 71 (3–4): 229–270. Bibcode:2005ESRv...71..229C. CiteSeerX 10.1.1.558.5911. doi:10.1016/j.earscirev.2005.02.004.
- 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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