|
gptkbp:instanceOf
|
gptkb:Igneous_rock
|
|
gptkbp:alkaliContent
|
Low
|
|
gptkbp:associatedWith
|
Continental margins
Island arcs
Stratovolcanoes
|
|
gptkbp:category
|
Igneous rocks
Volcanic rocks
|
|
gptkbp:color
|
Black
Brown
Gray
|
|
gptkbp:commonIn
|
gptkb:Pacific_Ring_of_Fire
|
|
gptkbp:composition
|
gptkb:Plagioclase_feldspar
gptkb:Biotite
gptkb:Amphibole
gptkb:Pyroxene
|
|
gptkbp:contains
|
Amphibole phenocrysts
Plagioclase phenocrysts
Pyroxene phenocrysts
|
|
gptkbp:coolingRate
|
Rapid
|
|
gptkbp:crystalSize
|
<1 mm
|
|
gptkbp:density
|
2.5–2.8 g/cm³
|
|
gptkbp:eruptionTemperature
|
900–1100 °C
|
|
gptkbp:extrusiveOrIntrusive
|
Extrusive
|
|
gptkbp:form
|
Volcanic activity
|
|
gptkbp:foundIn
|
gptkb:Andes_Mountains
Subduction zones
|
|
gptkbp:hardness
|
5–6 Mohs
|
|
gptkbp:location
|
gptkb:Andes_Mountains
|
|
gptkbp:majorMinerals
|
gptkb:Augite
gptkb:Hornblende
Plagioclase
|
|
gptkbp:meltingPoint
|
1100–1200 °C
|
|
gptkbp:minorMinerals
|
gptkb:Quartz
gptkb:Biotite
Magnetite
|
|
gptkbp:namedAfter
|
gptkb:Andes_Mountains
|
|
gptkbp:parent
|
gptkb:Magma
|
|
gptkbp:porphyritic
|
Yes
|
|
gptkbp:silicaContent
|
Intermediate
|
|
gptkbp:size
|
Fine-grained
|
|
gptkbp:texture
|
Aphanitic
|
|
gptkbp:textureType
|
Aphanitic
Porphyritic
|
|
gptkbp:uses
|
Monuments
Construction material
Road stone
|
|
gptkbp:volcanicEquivalentOf
|
gptkb:Diorite
|
|
gptkbp:volcanicGroup
|
Intermediate volcanic rocks
|
|
gptkbp:weatheringResistance
|
Moderate
|
|
gptkbp:bfsParent
|
gptkb:Lava
gptkb:Broken_Top
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Andesite
|