Tectonic Divisions Characteristics Table Summary
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Questions and Answers

What are the three distinct tectonic divisions mentioned in the text?

Answer: Divergent, convergent, and transform boundaries

Which tectonic boundary involves plates moving away from each other?

Answer: Divergent boundary

What type of boundary forms when plates slide past each other horizontally?

Answer: Transform boundary

What happens at a convergent boundary?

<p>Answer: Plates collide or move towards each other</p> Signup and view all the answers

Which tectonic division is associated with subduction zones?

<p>Answer: Convergent boundary</p> Signup and view all the answers

What geological formation is known as Deccan Trap?

<p>Deccan Trap is a large igneous province in west-central India.</p> Signup and view all the answers

What is the Siwalik group known for?

<p>The Siwalik group is known for its fossil-rich sedimentary rocks.</p> Signup and view all the answers

What is the formation history of the Himalayas?

<p>The Himalayas formed due to the collision of the Indian Plate with the Eurasian Plate.</p> Signup and view all the answers

Where is the Dauki fault located?

<p>The Dauki fault is located in the Shillong Plateau region of northeastern India and Bangladesh.</p> Signup and view all the answers

Describe the tectonic subdivisions of the Himalayas.

<p>The tectonic subdivisions of the Himalayas include the Greater Himalaya, the Lesser Himalaya, and the Sub-Himalaya or Siwalik Range.</p> Signup and view all the answers

Who coined the term Gondwana?

<p>The term Gondwana was coined by Eduard Suess.</p> Signup and view all the answers

Which region is associated with the Iron Ore group?

<p>The Iron Ore group is associated with the Dharwar region of southern India.</p> Signup and view all the answers

What makes up the Delhi Supergroup?

<p>The Delhi Supergroup comprises a sequence of sedimentary rocks.</p> Signup and view all the answers

What geological event led to the formation of the Himalayas?

<p>The collision of the Indian Plate with the Eurasian Plate led to the formation of the Himalayas.</p> Signup and view all the answers

How did the formation of Gondwana impact the Earth's geography?

<p>The formation of Gondwana led to the aggregation of several landmasses into a single supercontinent, influencing the Earth's geography significantly.</p> Signup and view all the answers

What is the significance of Gondwana in the geological context?

<p>Gondwana is a supercontinent that existed in the past and played a crucial role in shaping the Earth's landmasses.</p> Signup and view all the answers

How are Upper and Lower Gondwana sub-divided?

<p>Upper Gondwana is divided into the sequence of Talchir, Barakar, and Karharbari while Lower Gondwana is divided into the sequence of Talchir and Barakar.</p> Signup and view all the answers

Explain the distribution of Gondwana deposits in the Indian Peninsula.

<p>Gondwana deposits in the Indian Peninsula are found in the regions of Damodar Valley, Son Valley, Wardha Valley, and the Godavari Valley.</p> Signup and view all the answers

Name the three tectonic subdivisions of the Himalayas.

<p>The Greater Himalaya, the Lesser Himalaya, and the Sub-Himalaya or Siwalik Range are the three tectonic subdivisions of the Himalayas.</p> Signup and view all the answers

What are some key features of Gondwana deposits that distinguish them from other geological formations?

<p>Gondwana deposits are characterized by their unique fossil content and stratigraphic significance compared to other geological formations.</p> Signup and view all the answers

Why is the Hadean to Palaeoarchaean record missing from the Indian stratigraphic succession?

<p>The Hadean to Palaeoarchaean record is missing due to intense tectonism and associated metamorphism and magmatism.</p> Signup and view all the answers

What geological processes led to the absence of Hadean to Palaeoarchaean record in the Indian stratigraphic succession?

<p>Intense tectonism, metamorphism, and magmatism.</p> Signup and view all the answers

Explain why the Indian stratigraphic succession does not contain the Hadean to Palaeoarchaean record.

<p>The intense tectonism, metamorphism, and magmatism in the region destroyed or altered the original rocks from that period.</p> Signup and view all the answers

Which geological events caused the disappearance of the Hadean to Palaeoarchaean record in India?

<p>Intense tectonism, metamorphism, and magmatism.</p> Signup and view all the answers

What geological factors contributed to the absence of the Hadean to Palaeoarchaean record in Indian rocks?

<p>Intense tectonism, metamorphism, and magmatism.</p> Signup and view all the answers

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