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Stack #106443

Flora - Volcanic & Intrusive Igneous Activity

QuestionAnswer
magma that has high silica content and a large amount of gas; therefore, it produces explosive eruptions felsic magma
magma that has low silica content and a low gas content; therefore, it produces non explosive eruptions mafic magma
solid material ejected from a volcano when it erupts tephra
a fast moving body of hot gas, ash, dust and rock that travels down the side of a volcano pyroclastic flow
partially molten material at least 64 mm in diameter that is ejected from a volcano volcanic bombs
solid material at least 64 mm in diameter that is ejected from a volcano volcanic blocks
water vapor, carbon dioxide, sulfur and nitrogen volcanic gases
a place where two tectonic plates are colliding (where the majority of volcanoes form) convergent boundary
the part of a volcano through which magma rises from the magma chamber to the vent pipe
the remains of a volcano that is visible when the outside of the volcano erodes away and only the solid pipe remains neck
a volcanic landform that is created when magma escapes Earth's crust through fissures (cracks) and builds a plateau lava plateau
any rock that forms when magma or lava solidifies igneous rock
an intrusive igneous rock body pluton
the largest pluton batholith
a mushroom shaped pluton, relatively small and close to Earth's surface laccolith
a pluton with an irregular shape which is smaller than a batholith stock
a pluton that forms when magma enters a crack in a rock and cuts vertically across preexisting rock layers dike
a pluton that from when magma is injected between parallel layers of rock sill
Created by: sflora
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