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Laccoliths are concordant intrusions, meaning they have a flat bottom and conform to the layering of the surrounding rock. They are characterized by their mushroom-shaped form with a flat base and domed top, pushing up the overlying rock layers without breaking through them.

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What does magma pushed into a thick sill form?

When magma is pushed into a thick sill, it solidifies underground to form a layer of igneous rock called a dike. Dikes typically cut across existing rock layers, creating a discordant intrusion. The rock that forms from the cooling magma in a dike is usually fine-grained due to the rapid cooling process underground.


What type of rock is a laccolith?

A laccolith is a type of igneous rock formation that is created when magma intrudes between layers of sedimentary rock, causing the overlying layers to arch upward. It is classified as an intrusive igneous rock.


What does cacphony mean?

You may mean 'cacophony' which refers to loud, discordant noise.


How would you classify an igneous intrusion that is tabular and discordant?

An igneous intrusion that is tabular and discordant is classified as a dyke. Dykes are vertical or steeply inclined sheets of magma that cut across the existing rock layers, indicating that they intruded after the formation of those layers. This discordant nature contrasts with sills, which are tabular intrusions that parallel the bedding of the surrounding rock.


What is the difference between a sill and a laccolith?

A sill is a horizontal sheet of igneous rock that is intruded between existing rock layers, while a laccolith is a dome-shaped intrusion that causes the overlying rock layers to arch upwards. Sills are flat and parallel to existing rock layers, while laccoliths are typically lens-shaped and create bulges in the rock layers above them.

Related Questions

What does magma pushed into a thick sill form?

When magma is pushed into a thick sill, it solidifies underground to form a layer of igneous rock called a dike. Dikes typically cut across existing rock layers, creating a discordant intrusion. The rock that forms from the cooling magma in a dike is usually fine-grained due to the rapid cooling process underground.


What is a sentence with discordant?

The discordant family quarreled often.


Do laccolith features occur when volcano lava cools at the surface?

No. A laccolith is an intrusive feature.


Is discordant a verb adjective or noun?

The word discordant is an adjective. Example sentence:The discordant notes he played were grating on my nerves.


What makes HIV discordant couples?

Discordant means that one of the partners has HIV and the other does not.


Are batholith concordant or discordant?

Batholiths are typically discordant intrusions, meaning they cut across the existing rock layers and do not conform to the bedding planes of the surrounding rocks.


What is discordant color?

discordant color is inharmonious combinations of hue, often at great distance on color wheel.


How do you Use discord in a sentence?

The family trip was ruined due to discord amongst the members.


Can you make a sentence using discordant with agree?

He was discordant in his outwardly demeanor as he reluctantly agreed to answer his curious question on answers.com.


What are the release dates for The House Discordant - 1914?

The House Discordant - 1914 was released on: USA: 2 July 1914


How do you use the word discord in a sentence?

The discordant noise echoed through the school. That discordant heavy metal music left me deaf. Although the choir's performance was at times cacophonous and at times only discordant, the children's parents were uniformly delighted by the concert. The two political science undergraduate students had discordant opinions regarding the healthcare system in the U.S.


What are the largest and deepest of all underground formations?

laccolith