What evidence suggests that Africa and South America formed Gondwanaland 200 million years ago?

What evidence suggests Africa and South America formed Gondwanaland?

This hypothesis was made on the basis of some fossils that are kind of fern in nature. These fossils were found in South America along with Africa as well as India.

Which piece of evidence suggests that Africa Antarctica South America formed Gondwanaland 200 million years ago?

Answer: The existence of Gondwana was first hypothesized in the mid-1800s by Eduard Suess, a Viennese geologist who dubbed the theoretical continent “Gondwanaland.” Suess was tipped off by similar fern fossils found in South America, India and Africa (the same fossils would later be found in Antarctica).

How Gondwanaland was formed?

According to plate tectonic evidence, Gondwana was assembled by continental collisions in the Late Precambrian (about 1 billion to 542 million years ago). Gondwana then collided with North America, Europe, and Siberia to form the supercontinent of Pangea. The breakup of Gondwana occurred in stages.

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Were Africa and South America connected?

South America nearly carried off Northwest Africa when the world’s last supercontinent fell apart 130 million years ago. … Back before the Atlantic Ocean formed, Africa and South America nestled together in a massive supercontinent called Gondwana.

Which of the following provides evidence Gondwana?

Plant evidence: Fossil evidence suggests that temperate rainforest was widespread in Australia, Antarctica, South America and New Zealand around 45 million years ago. Such fossils and the surviving species in Tasmania provide evidence of the ancient link to Gondwana.

What was the Gondwanaland Class 9?

Gondwana, also called Gondwanaland, ancient supercontinent that incorporated present-day South America, Africa, Arabia, Madagascar, India, Australia, and Antarctica. A vast continental area believed to have existed in the southern hemisphere and to have resulted from the break-up of Pangaea in Mesozoic times.

What evidence shows that Africa and South America were once connected?

To him, the presence of identical fossil species along the coastal parts of Africa and South America was the most compelling evidence that the two continents were once joined.

What was Gondwana Class 12 English?

Class 12 Question

Gondwana is the huge landmass – a super-continent, the undivided earth, which existed millions of years ago. Gondwana was centered roughly around present-day Antarctica. It had no human life but only flora and fauna.

What are Gondwana lands?

Definition. Gondwanaland or “Gondwana” is the name for the southern half of the Pangaean supercontinent that existed some 300 million years ago. Gondwanaland is composed of the major continental blocks of South America, Africa, Arabia, Madagascar, Sri Lanka, India, Antarctica, and Australia (Figure 1).

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Which plates originally formed a part of Gondwanaland?

Until roughly 140 million years ago, the Indian Plate formed part of the supercontinent Gondwana together with modern Africa, Australia, Antarctica, and South America. Gondwana broke up as these continents drifted apart at different velocities, a process which led to the opening of the Indian Ocean.

What do you know about Gondwanaland?

Gondwana was an ancient supercontinent that broke up about 180 million years ago. The continent eventually split into landmasses we recognize today: Africa, South America, Australia, Antarctica, the Indian subcontinent and the Arabian Peninsula.

How was India formed out of Gondwanaland?

It was one single landmass. Due to the impact of the convectional currents, the crust was split into many pieces. The Indo Australian plate got separated from the Gondwana land and drifted towards the north. As it drifted towards the north, it collided with the Eurasian Plate.

When was Gondwanaland and Laurasia formed?

Laurasia (/lɔːˈreɪʒə, -ʃiə/) was the more northern of two large landmasses that formed part of the Pangaea supercontinent from around 335 to 175 million years ago (Mya), the other being Gondwana.

Which modern continents were derived from Gondwanaland?

The southern supercontinent Gondwana (originally Gondwanaland) included most of the landmasses which make up today’s continents of the southern hemisphere, including Antarctica, South America, Africa, Madagascar, India, Arabia, Australia-New Guinea and New Zealand.

Which continents of today were part of the Gondwana land answer?

Two-thirds of today’s continental area is made up of Gondwana which includes Indian subcontinent, Australia, Antarctica, Arabia, Zealandia, Africa, and South America.

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