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What is an ignimbrite?
Ignimbrite is a type of rock formed from the consolidation of volcanic ash and pyroclastic flow deposits. It is usually composed of fine to coarse volcanic fragments cemented together by a matrix of ash and glass. Ignimbrites are often associated with explosive volcanic eruptions.
What rock is a volcano made from?
There are dozens of subtly different varieties of volcanic rock. The most basic types of rock by composition are basalt, andesite, and rhyolite. By texture and how they are placed, rock types may include cooled lava, pumice, scoria, and tuff.
What is an example of an extrusive igneous rock?
An example of an extrusive igneous rock is basalt. Basalt forms from the rapid cooling of lava on the Earth's surface and is commonly found in volcanic areas. It has a fine-grained texture due to its quick cooling process.
What are the 3 kind of texture?
The 3 kinds of textures are: * Visual texture * Artificial texture * True texture
What texture does obsidian have?
A glassy texture.
What rocks have a pyroclastic texture?
Volcanic rocks such as tuff and ignimbrite typically have a pyroclastic texture. These rocks are formed from the accumulation of volcanic ash, pumice, and other volcanic fragments that are deposited during explosive volcanic eruptions. The fragments are welded together upon cooling to form a solid rock.
What are the types of extrusive volcanic deposit?
Ignimbrite, Andesite, Basalt, Rhyolite
What is an ignimbrite?
Ignimbrite is a type of rock formed from the consolidation of volcanic ash and pyroclastic flow deposits. It is usually composed of fine to coarse volcanic fragments cemented together by a matrix of ash and glass. Ignimbrites are often associated with explosive volcanic eruptions.
What is another name for an extrusive igneous rock?
Basalt is one example. or perhaps a lava flow or an ignimbrite.
What rock is a volcano made from?
There are dozens of subtly different varieties of volcanic rock. The most basic types of rock by composition are basalt, andesite, and rhyolite. By texture and how they are placed, rock types may include cooled lava, pumice, scoria, and tuff.
Which type of rock would you expect to form as a result of an explosive eruption?
igneous rock answ2. Volcanic bombs, volcanic ash, pumice, ignimbrite.
What kind of type of lava does a Pelean eruption have?
A pyroclastic eruption, involving a viscous magma, typically of rhyolitic or andesitic type. An ignimbrite is the deposit of a pyroclastic density current, or pyroclastic flow.
What is an example of an extrusive igneous rock?
An example of an extrusive igneous rock is basalt. Basalt forms from the rapid cooling of lava on the Earth's surface and is commonly found in volcanic areas. It has a fine-grained texture due to its quick cooling process.
What is the texture of the aquamarine?
The texture is smooth.
Which rock type is associated with a high energy environment?
A milonite (along a fault pane)An ignimbrite (from a volcanic explosion)Shocked Quartz (from an astrobleme)There are more, but the above are some extremely high energy rock types.
What is visual texture?
Visual Texture is texture that is not touchable but can be seen.
What is the definition of actual texture?
Actual texture is texture which may be physically felt. Implied texture is texture that may be seen only, as in a painting. For instance, while the smooth texture of a statue or the uneven texture of a painter's brushstrokes are actual texture, the rough-appearance of a table in a still life painting is implied texture.
