Consider the following statements : 1. Rajmahal highlands consist of

Consider the following statements :

1. Rajmahal highlands consist of lava flow deposits.
2. Bundelkhand gneiss belong to the oldest Achaean rocks of India.

Which of the statements given above is/are correct ?

1 only

2 only

Both 1 and 2

Neither 1 nor 2

Answer is Right!

Answer is Wrong!

This question was previously asked in

UPSC NDA-1 – 2016

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Statement 1 is correct. The Rajmahal Hills in Eastern India are composed primarily of basaltic lava flows known as the Rajmahal Traps, which erupted during the Jurassic period.
Statement 2 is correct. The Bundelkhand Gneissic Complex is a part of the Peninsular Gneiss and belongs to the Archaean geological period, making it one of the oldest rock formations in India.
Since both statements are correct, the correct option is C.

– Rajmahal Traps: Large igneous province formed by volcanic activity.
– Bundelkhand Gneiss: Ancient crystalline basement rocks.
– Archaean Eon: The earliest geological eon in Earth’s history, preceding the Proterozoic Eon.

The Deccan Traps, another major large igneous province formed by lava flows, are younger than the Rajmahal Traps, dating back to the Cretaceous-Paleogene boundary. The Bundelkhand region is a shield area composed of granite and gneiss, representing the core of the Indian Peninsular plate.

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