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Volcanic islands in the deep ocean are composed primarily of what igneous rock type?
Volcanic islands in the deep ocean are primarily composed of basaltic igneous rocks. Basalt is formed from the rapid cooling of lava erupted from underwater volcanoes, resulting in a fine-grained, dark-colored rock. It is the most common rock type found on volcanic islands like Hawaii and Iceland.
What happens When the lava stops erupting out of the central vent what is left at the top?
When lava stops erupting out of the central vent, it solidifies and forms a volcanic rock structure called a volcanic plug or volcanic dome at the top of the vent. These structures can vary in size and shape depending on the type of lava that was erupted and the eruption style.
Is pumice a volcanic rock?
Yes, pumice is a volcanic rock that is formed from the solidification of frothy volcanic lava. It is known for its porous and lightweight nature, making it float on water.
What is the name of an igneous rock with low silica content that flows easily?
Basalt is an igneous rock with low silica content that flows easily due to its fluid nature when erupted. It is commonly found in volcanic areas and is dark in color.
What is volcanoic bombs?
Volcanic bombs are blobs of molten rock ejected during a volcanic eruption. They are typically large, ranging in size from a few centimeters to several meters, and can be highly aerodynamic due to their semi-liquid state. These projectiles solidify in the air before landing around the volcanic vent.
What is molten rock used for after when erupted?
There is no use for molten rock from volcanic eruptions.
What else can be erupted out of volcano apart from lava?
Things that can be erupted include volcanic ash, pumice, solid rock fragments, and gas.
Which Rock is used To Make skin scrubber?
An extrusive volcanic rock which is erupted under water called pumice.
What volcanoes consist primarily of erupted volcanic ash and rock fragments held together loosely?
Shield Volcano
What are volcanic igneous formations?
the cycle of the rock is that firstly it is igneous rock which is formed under a volcano, the it is sedimentary rock e.g. limestone then that transforms into metamorphic rock which is marble or slate.
When did castle rock erupt?
Castle Rock in Washington erupted 57 million years ago during the Eocene period. It is part of the Castle Rock volcano complex, which is a series of volcanic rock formations in the region.
What types of rocks are formed by volcanic activities?
Volcanic rocks can be classified as extrusive igneous rocks, including basalt, andesite, rhyolite, and obsidian. These rocks are formed from the cooling and solidification of magma erupted from a volcano.
What do you call molten rock before it has erupted?
What do you call molten rock before it has erupted
What makes up Ship Rock?
Ship Rock is a unique volcanic neck formation composed mainly of fine-grained volcanic rock called minette, which is rich in potassium feldspar. It was formed from the solidified remains of a volcanic vent that never erupted at the surface. Ship Rock rises 1,500 feet above the desert floor and is one of the most prominent landmarks in the Navajo Nation.
How many times has mount baker erupted?
It has erupted once maybe twice nobody knows which one for sure
What do you call molten rock before it erupted?
Molten rock before it erupts is called magma. It is found beneath the Earth's surface and can eventually make its way to the surface through volcanic eruptions.
What is magmatic underplanting?
Magmatic underplating is a geological process where magma is injected into the lower crust beneath a volcanic arc. The magma then solidifies to form a layer of igneous rock that underlies the volcanic arc. This process can provide a heat source for volcanic activity and affect the composition of the volcanic rocks erupted at the surface.
