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A concordant (lateral) intrusion of magma (which has a dyke-like feeder and a convex (arching) upper surface.
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A laccolith is an example of a(n) igneous rock (one of the two main igneous rock groups).?
intrusive
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 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.
What is larger sill dike laccolith or batholith?
A batholith is the largest intrusive igneous formation, made up of a large mass of granite or granitic rocks, that covers an area of tens to hundreds of square kilometers. Sill, dike, and laccolith are all smaller intrusive igneous formations. Laccolith is larger than sill or dike, with a typically flat base and arched roof, intruding between sedimentary rock layers.
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.
A laccolith is an example of a?
A laccolith is an example of an igneous intrusion, which is a body of intrusive igneous rock that forms by magma uplifting and pushing overlying rock layers.
Do laccolith features occur when volcano lava cools at the surface?
No. A laccolith is an intrusive feature.
A laccolith is an example of a(n) igneous rock (one of the two main igneous rock groups).?
intrusive
A laccolith is an example of?
A laccolith is an igneous intrusion that occurs when magma is injected between layers of sedimentary rock, causing the overlying rocks to be domed upwards. They are characterized by their mushroom-like shape and are found in geologically young mountain ranges.
What are the largest and deepest of all underground formations?
laccolith
How might the landscape above a laccolith look?
it would look like an uplift or dome because the laccolith below is a lens-shaped mass of magma that pushes the rock above it upward
How might the surface landscape above laccolith look?
it would look like an uplift or dome because the laccolith below is a lens-shaped mass of magma that pushes the rock above it upward
How might a surface landscape above laccolith look?
it would look like an uplift or dome because the laccolith below is a lens-shaped mass of magma that pushes the rock above it upward
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 is the igneous intrusion similar to but larger than a laccolith?
A batholith is a large igneous intrusion that is similar to a laccolith but much larger in size. It is typically formed from the cooling and solidification of magma deep below the Earth's surface and covers a larger area compared to a laccolith. Batholiths are commonly associated with mountain ranges and are often exposed through erosion.
How might the surface landscape above a laccolith look?
The surface landscape above a laccolith typically appears as a dome or bulge due to the intrusion of magma creating a blister-like formation beneath the Earth's crust. Over time, erosion may expose the laccolith's core, revealing the igneous rock that solidified underground. This can result in unique geological features like mesas or buttes.
Why might a laccolith be detected at earths surface before being exposed by erosion?
A laccolith may be detected at Earth's surface before being exposed by erosion because it causes uplift in the overlying rocks, creating a dome-like structure. This uplift can be visible through topographic mapping or geophysical surveys before the laccolith is fully exposed by erosion processes. Additionally, the resistant nature of the igneous rock forming the laccolith may also prevent erosion, keeping it buried beneath the surface for an extended period.
