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Igneous textures. Mafic, felsic Or intermediate. Volcanic hazards And monitoring. Igneous minerals. Volcano Types. Misc. vocabulary. Igneous textures. Mafic Felsic or intermediate. Volcanic hazards And monitoring. Igneous minerals. Volcano Types. Misc vocab. $100.
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Mafic, felsic Or intermediate
Volcanic hazards And monitoring
Igneous textures Mafic Felsic or intermediate Volcanic hazards And monitoring Igneous minerals Volcano Types. Misc vocab $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500
A texture that Describes a rock With many Small holes From Trapped Volcanic Gas.
What is vesicular?
A basalt Flow that Has a ropy texture.
What is Pahoehoe?
Tephra that is In fragments <2mm in size.
What is ash?
A texture that Describes large crystals in a fine-grained matrix.
What is porphyritic?
A coarse-grained Texture that has Visible interlocking crystals.
What is phaneritic?
The typical magma That Erupts from Hawai’ian Volcanoes.
What is Mafic (basaltic)?
An intrusive Rock That is High in silica (about 70% SiO2).
What is granite?
An Ultramafic rock Typically found In the mantle.
What is a Dunite or peridotite?
An intermediate Extrusive rock typical Of Cascade volcanoes, or the Andes in Chile.
What is Andesite?
An intrusive Rock that Has the composition Of andesite.
What is diorite?
A large chunk of lava that hits the ground as a large, solid, stream-lined rock.
What is A volcanic bomb?
The most typical Volcanic hazard For eastern WA.
What is Ash fall?
A type of Instrumentation That measures Lateral ground movement Using satellites.
What is GPS?
The most explosive Type of lava, typically
What is Felsic (rhyolitic/granitic)?
An Indonesian Word meaning Volcanic mudflow.
What is a lahar?
A green ineral Typically found In mafic or ultramafic Rocks.
What is olivine?
A clear mineral That crystallizes At low temperatures, often Found in granites.
What is quartz?
A white mineral That crystallizes Out over the widest Range of temperatures.
What is plagioclase?
A dark Mineral that Has 90o Cleavage Planes, and is found mostly In mafic rocks.
What is pyroxene?
The major mechanism That results in magmatic differentiation.
What is Fractional crystallization?
Andesite is most Typically erupted from This type of plate Tectonic setting.
What is A subduction zone (or converging plate Boundary)