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They are called extrusive igneous rocks.

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16y ago

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What type of rocks formed when lava cools after volcanic eruption?

Extrusive igneous rocks


Magma that is rejected during a volcanic eruption forms igneous rocks?

Magma that is ejected during a volcanic eruption forms extrusive igneous rocks. They are also referred to as volcanic rocks.


How are rocks formed in a volcanic eruption?

They are formed when the erupted magma or lava, cool and sollidifies below or above the earths surface respectively.


When igneous rock from volcanic eruption cool what does it form?

When igneous rocks from a volcanic eruption cools it forms Crystalline Rocks.


What are rocks called that formed from volcanic process?

Those would be igneous rocks. Extrusive igneous rocks.


What are pyroclastics?

Pyroclasts are rock fragments or rocks formed from volcanic fragments thrown into the air as a result of a volcanic eruption. Also known as tephra, some examples of these rocks include pumice, reticulite and scoria.


What kind of rocks grapefruit sized thrown from a nearby volcano what are they called?

The rocks ejected from a volcano that are grapefruit-sized are typically called volcanic bombs. They are formed when molten lava is ejected into the air and solidifies before hitting the ground. Volcanic bombs can vary in size and shape depending on the type of eruption and the properties of the lava.


How do you classify rocks were they form?

those formed deep into the earth are called Intrusive or Plutonic rocks,those formed ator near thesurface are called Extrusive or volcanic rocks


What kinds of rocks formed when mt Vesuvius erupted?

When Mount Vesuvius erupted, it produced igneous rocks such as basalt, andesite, and dacite due to the volcanic activity. These rocks are created from the cooling and solidification of molten magma. Additionally, the eruption may have also produced pyroclastic rocks such as pumice and volcanic ash.


What is it called when ash and cinders are blown violently out of volcanoes?

when volcanic ash bursts out of the volcano, its called an eruption.^^^Actually, when ash and cinders are blown violently out of volcanoes, it's called a tephra. :3


What rocks are found near krakatau?

The rocks found near Krakatau are primarily volcanic in origin, such as basalt, andesite, and dacite. These rocks were formed during the explosive eruption of Krakatau in 1883 and subsequent volcanic activity in the region. Additionally, pumice rocks, a type of volcanic glass, can also be found in the area due to the explosive nature of the eruption.


What kind of rocks that are formed by volcanic activity?

Rocks formed by volcanic activity are called igneous rocks. These rocks form when molten magma cools and solidifies either above or below the Earth's surface. Examples of volcanic igneous rocks include basalt, andesite, and rhyolite.