What are hot spots caused by?A.Subduction zonesB.Divergent plate boundariesC.VolcanoesD.Mantle plumes
Question
What are hot spots caused by?A.Subduction zonesB.Divergent plate boundariesC.VolcanoesD.Mantle plumes
Solution
Hot spots are caused by D. Mantle plumes.
Here's a step-by-step explanation:
-
A hot spot begins to form deep within the Earth in the mantle. This is a region where temperatures are high enough to melt rock and create magma.
-
This magma is less dense than the surrounding rock, so it begins to rise through the mantle.
-
As the magma rises, it can create a plume or column of hot material rising through the mantle.
-
When this plume reaches the Earth's crust, it can melt through the crust and erupt onto the surface, creating a volcano.
-
This process can occur anywhere on the Earth's surface, not just at plate boundaries. Therefore, the hot spot is not directly caused by subduction zones, divergent plate boundaries, or volcanoes, but rather by the mantle plume itself.
Similar Questions
Hot spots occur only under oceanic plates.Group startsTrue or False
Which of the following locations is most representative of a mantle plume (hot spot)?Group of answer choicesHawaiiGrand CanyonMt. LassenDeath Valley
Which geological feature is most often linked to volcanoes?Question response areaSelect one optionvalleysdesertsunderground cavestectonic plate boundaries
How would you identify a hotspot volcanoes?Group of answer choicesthey form curvesthey are parallel to trenchesthey form staight linesthey are parallel to continental marginsthey are perpendicular to continental margins
Analysis of global sites of magma extrusion found that hot spots, such as Hawaii, represent _________blank of the total magma extrusion.Multiple Choice12%73%15%80%
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.