INDIAN GEOGRAPHY

MINERAL AND ENERGY RESOURCES IN INDIA

MINERALS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The oldest rocks in the world are in ____ . They date from 4, 300 million years ago.
A
Southern India
B
Northern Africa
C
Western Australia
D
Eastern Mexico
Explanation: 

Detailed explanation-1: -The oldest rocks in the world are in Western Australia. They date from 4, 300 million years ago, only 300 million years after the earth was formed.

Detailed explanation-2: -The oldest geological material ever found, which not technically rocks are, are mineral grains called zircons found in Western Australia, which date back about 4.36 billion years.

Detailed explanation-3: -Bedrock in Canada is 4.28 billion years old Bedrock along the northeast coast of Hudson Bay, Canada, has the oldest rock on Earth.

Detailed explanation-4: -The oldest material of terrestrial origin that has been dated is a zircon mineral of 4.404 ±0.008 Ga enclosed in a metamorphosed sandstone conglomerate in the Jack Hills of the Narryer Gneiss Terrane of Western Australia.

Detailed explanation-5: -Australia has some of the oldest geological features in the world with the oldest known rocks dating from more than 3000 million years ago and rare zircon crystals dating back 4400 million years located in much younger rocks.

There is 1 question to complete.