Lopolith | Structure, Formation, Impact | Britannica
Lopolith, igneous intrusion associated with a structural basin, with contacts that are parallel to the bedding of the enclosing rocks. In an ideal example, the enclosing sediments above and below …
Lopolith: Definition and Formation - ScienceQuery
2023年8月31日 · Lopolith is a saucer-shaped intrusive igneous rock which as opposed to a phacolith, is concave upwards. The word lopolith has been derived from the German word …
Lopolith - Wikipedia
A lopolith is a large igneous intrusion which is lenticular in shape with a depressed central region. Lopoliths are generally concordant with the intruded strata with dike or funnel-shaped feeder …
4 Igneous Processes and Volcanoes – An Introduction to Geology
Igneous rock is formed when liquid rock freezes into a solid rock. This molten material is called magma when it is in the ground and lava when it is on the surface. Only the Earth’s outer core …
7 Plutons and Plutonic Rocks – Open Petrology - OpenGeology
The QAPF diagram for plutonic rocks has two triangular parts. The top triangle is for rocks that contain quartz, and the bottom (upside down) triangle is for rocks that contain feldspathoids …
Volcanic and igneous plumbing systems - Wikipedia
Volcanic plumbing systems can be found in all active tectonic settings, such as mid-oceanic ridges, subduction zones, and mantle plumes, when magmas generated in continental …
Igneous and Volcanic Rock Features - Geology.com
Lopolith. A lopolith is a large, layered igneous intrusion that is distinguished by the convex-downward bowl shape of its floor and whose top can either be flat or convex down.
Lopolith - SpringerLink
A lopolith is a large, concordant, typically layered, igneous intrusion of planoconvex or lenticular shape that is sunken in its central part because of sagging of the underlying country rock (from …
Plutons: Types of Intrusive Igneous Bodies - Geology In
A lopolith is a large, basin-shaped or lens-shaped intrusive body that is typically concave, where the center dips lower than its edges. It forms when magma intrudes into the crust and spreads …
BATHOLITH…, LOPOLITH…, SILL OR DIKE? – INTRUSIONS (2)
2017年7月6日 · Its counterpart is a lopolith. Here the magma also accumulated between layers, but causing them to sag below. The body then solidified in the shape of a bowl or funnel with …