Laccolith - Wikipedia
A laccolith is a body of intrusive rock with a dome-shaped upper surface and a level base, fed by a conduit from below. A laccolith forms when magma (molten rock) rising through the Earth's …
Laccolith | Igneous Rock, Intrusion & Pluton | Britannica
Laccolith, in geology, any of a type of igneous intrusion that has split apart two strata, resulting in a domelike structure; the floor of the structure is usually horizontal. A laccolith is often smaller …
Igneous and Volcanic Rock Features - Geology.com
Laccolith. Laccoliths are intrusive igneous rock formations distinguished by their characteristic lens shapes. These features form when the pressure of the magma intruding between …
Plutons: Types of Intrusive Igneous Bodies – Geology In
A laccolith is a lens-shaped or mushroom-shaped igneous intrusion that forms when magma is injected between layers of sedimentary rock, forcing the overlying strata to dome upward. …
Laccolith - Definition, Formation, Batholith, Examples and FAQs
Laccolith Examples. A renowned example of laccolith is found in Henry Mountain, Utah. The largest laccolith in the United States is Pine Valley Mountain in the Pine Valley Mountain …
Igneous Rocks Lesson #12 | Volcano World | Oregon State …
Laccoliths and sills are examples of concordant igneous rock bodies. A laccolith is a dome shaped intrusive body that has intruded between layers of sedimentary rock. The rising magma forces …
What Is A Laccolith? - WorldAtlas
2018年6月3日 · A laccolith is a mushroom-shaped intrusion that develops beneath the surface of the earth when liquid magma surpasses its way between two horizontal layers of preexisting …
3.5: Intrusive Igneous Bodies - Geosciences LibreTexts
2024年4月24日 · A laccolith is a sill-like body that has expanded upward by deforming the overlying rock. Finally, a pipe is a cylindrical body (with a circular, ellipitical, or even irregular …
Laccolith - an overview | ScienceDirect Topics
A laccolith is a form of pluton that has a convex upper roof, with a flat (or approximately flat) floor and could be said to resemble a dome in 3D (Figs. 16 and 17) (Corry, 1988). A laccolith can …
Laccolith - SpringerLink
A laccolith is a lensoid igneous intrusion that is concordant with the stratification or other type of banding in the host rock. It is usually circular in plan, ≮5 km across and rises from a flat base …