GEOLOGY

EARTH SCIENCE

VOLCANOES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A mass of rock formed when a large body of magma cools inside the crust is called a
A
neck
B
dike
C
lava plateau
D
batholith
Explanation: 

Detailed explanation-1: -A batholith (from Ancient Greek bathos ‘depth’, and lithos ‘rock’) is a large mass of intrusive igneous rock (also called plutonic rock), larger than 100 km2 (40 sq mi) in area, that forms from cooled magma deep in Earth’s crust.

Detailed explanation-2: -The mass of cooling magma is called a pluton, and the rock around is known as country rock. Slow cooling over thousands to millions of years allows large visible crystals to form. Common igneous rock types include granite, gabbro, and diorite. Large plutons can form along convergent tectonic plate boundaries.

Detailed explanation-3: -batholith, large body of igneous rock formed beneath the Earth’s surface by the intrusion and solidification of magma.

Detailed explanation-4: -The batholith is a large irregular mass of intrusive igneous rocks that forces themselves in surrounding strata, and laccolith is a mass of igneous or volcanic rock within strata. Batholith and laccoliths are part of igneous rocks and volcanic landforms.

Detailed explanation-5: -Extrusive, or volcanic, igneous rock is produced when magma exits and cools above (or very near) the Earth’s surface. These are the rocks that form at erupting volcanoes and oozing fissures.

There is 1 question to complete.