THE EARTH
PHYSICAL GEOGRAPHY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
The earliest rocks formed on the earth’s surface are
|
|
Plutonic
|
|
|
Sedimentary
|
|
|
Igneous
|
|
|
Metamorphic
|
Explanation:
Detailed explanation-1: -Igneous rocks are the oldest rocks, while metamorphic are being derivative of igneous rocks and sedimentary rocks. Resistance to weathering and erosion is less to metamorphic rocks compared to igneous rocks. Tendency to react with acids is higher to metamorphic rocks when compared to igneous rocks.
Detailed explanation-2: -Named Erg Chech 002 (abbreviated to EC 002), it is a stony meteorite known as an achondrite, formed from a type of volcanic rock known as andesite. The meteorite is marginally older than Earth, which formed c. 4.5 billion years ago.
There is 1 question to complete.