Malagasy Orogeny
Encyclopedia
Malagasy Orogeny is the name given to the Ediacaran
to Cambrian
orogeny
that resulted as India
collided with the already amalgamated Africa
n continent that consisted of Azania
and the Congo-Tanzania-Bangweulu Block. The orogeny affects the parts of the East African Orogen
that are now found in southern India, Madagascar
and central Arabia
.
Ediacaran
The Ediacaran Period , named after the Ediacara Hills of South Australia, is the last geological period of the Neoproterozoic Era and of the Proterozoic Eon, immediately preceding the Cambrian Period, the first period of the Paleozoic Era and of the Phanerozoic Eon...
to Cambrian
Cambrian
The Cambrian is the first geological period of the Paleozoic Era, lasting from Mya ; it is succeeded by the Ordovician. Its subdivisions, and indeed its base, are somewhat in flux. The period was established by Adam Sedgwick, who named it after Cambria, the Latin name for Wales, where Britain's...
orogeny
Orogeny
Orogeny refers to forces and events leading to a severe structural deformation of the Earth's crust due to the engagement of tectonic plates. Response to such engagement results in the formation of long tracts of highly deformed rock called orogens or orogenic belts...
that resulted as India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...
collided with the already amalgamated Africa
Africa
Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...
n continent that consisted of Azania
Azania
Azania is the name that has been applied to various parts of sub-Saharan Africa. In Roman times—and perhaps earlier—the name referred to a portion of the Southeast African coast south of the Horn of Africa, extending south perhaps as far as modern Tanzania....
and the Congo-Tanzania-Bangweulu Block. The orogeny affects the parts of the East African Orogen
East African Orogeny
East African Orogeny is the Neoproterozoic orogeny that affects the East African Orogen. The orogeny evolved from an accretionary orogeny involving the amalgamation of arcs and evolved into a collisional orogeny when the Neoproterozoic continent Azania collided with the Congo-Tanzania-Bangweulu...
that are now found in southern India, Madagascar
Madagascar
The Republic of Madagascar is an island country located in the Indian Ocean off the southeastern coast of Africa...
and central Arabia
Arabian Peninsula
The Arabian Peninsula is a land mass situated north-east of Africa. Also known as Arabia or the Arabian subcontinent, it is the world's largest peninsula and covers 3,237,500 km2...
.