GENERAL GEOLOGY

GEOLOGY

PHYSICAL GEOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is NOT considered to be a rock?
A
coal
B
granite
C
gneiss
D
lava
Explanation: 

Detailed explanation-1: -C: Pumice is not considered to be a rock. D: Lava is considered to be a rock.

Detailed explanation-2: -The answer to your question “Which of the following is not considered to be a rock"? Lava is the molten liquid that is released by a volcanic eruption. Depending on conditions how it cools, different igneous rocks can be formed. Also, rocks should be in solid form but lava is liquid.

Detailed explanation-3: -The correct answer is option 2 i.e., Dolomite. It is a sedimentary rock similar to limestone. It is also known as “dolostone” and “dolomite rock."

Detailed explanation-4: -Extrusive Igneous Rocks: These are the rocks that form at erupting volcanoes and oozing fissures. The magma, called lava when molten rock erupts on the surface, cools and solidifies almost instantly when it is exposed to the relatively cool temperature of the atmosphere.

Detailed explanation-5: -Detailed Solution. The correct answer is Asphalt.

There is 1 question to complete.