Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. inorganic material
7. rock (inorganic material)

Narrower term/s

• [igneous rock by origin][+]
  • intrusive rock [+]
    • granodiorite [NP] [+]
      • granito del foro
    • syenite [NP]
  • extrusive rock [+]
    • dacite [NP]
    • rhyolite [NP] [+]
      • quartz porphyry [+]
    • lava
    • pyroclastic rock [+]
      • trass
      • tuff [+]
      • volcanic glass [+]
  • impactite
  • tektite [NP]
  • ignimbrite
  • trap (igneous rock)
• [igneous rock by composition][+]
  • [igneous rock by composition: chemical] [+]
    • acid igneous rock [+]
      • dacite
      • felsite [+]
      • granite (rock) [+]
      • granodiorite [+]
      • rhyolite [+]
    • intermediate igneous rock [+]
      • andesite [+]
      • diorite [+]
      • syenite
    • basic igneous rock [+]
      • basalt (basic igneous rock) [+]
      • diabase
      • gabbro
      • dolerite
  • [igneous rock by composition: physical] [+]
    • porphyry [+]
      • quartz porphyry [NP] [+]
      • red antique porphyry
    • hornblendite
    • greenstone (rock) [+]
      • pounamu [NP] [+]
    • kimberlite

Anotations

Scope note:

Any of various crystalline or glassy rocks formed by the cooling and solidification of magma or other molten earth material. Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary.