List: Geological rock types

Clue: A metamorphic rock composed primarily of amphibole(A rock type - Geology)
Answer: Amphibolite
Item added: 14.09.2009 View Question
Comments: Statistics: 993 Images: 0

Clue: An igneous ultramafic rock composed predominantly of plagioclase(A rock type - Geology)
Answer: Anorthosite
Item added: 14.09.2009 View Question
Comments: Statistics: 721 Images: 0

Clue: A very fine grained intrusive igneous rock(A rock type - Geology)
Answer: Aplite
Item added: 14.09.2009 View Question
Comments: Statistics: 900 Images: 0

Clue: A sedimentary rock similar to sandstone(A rock type - Geology)
Answer: Arkose
Item added: 14.09.2009 View Question
Comments: Statistics: 912 Images: 0

Clue: A fine grained chemical sedimentary rock composed of iron oxide minerals(A rock type - Geology)
Answer: Banded iron formation
Item added: 14.09.2009 View Question
Comments: Statistics: 748 Images: 0

Clue: A volcanic rock of mafic composition(A rock type - Geology)
Answer: Basalt
Item added: 14.09.2009 View Question
Comments: Statistics: 964 Images: 0

Clue: A class of basaltic rocks containing relatively small amounts of the tbread elements yttrium and ytterbium(A rock type - Geology)
Answer: Adakite
Item added: 14.09.2009 View Question
Comments: Statistics: 732 Images: 0

Clue: A class of basalts formed from Ocean Island (hot spot) magmatism(A rock type - Geology)
Answer: Hawaiite
Item added: 14.09.2009 View Question
Comments: Statistics: 610 Images: 0

Clue: A metamorphic rock composed of sodic amphiboles with a distinct blue colour(A rock type - Geology)
Answer: Blueschist
Item added: 14.09.2009 View Question
Comments: Statistics: 646 Images: 0

Clue: A sedimentary or tectonic rock composed of fragments of other, broken rocks(A rock type - Geology)
Answer: Breccia
Item added: 14.09.2009 View Question
Comments: Statistics: 603 Images: 0

Clue: A rare igneous rock composed of >50% carbonate minerals(A rock type - Geology)
Answer: Carbonatite
Item added: 14.09.2009 View Question
Comments: Statistics: 690 Images: 0

Clue: A rock formed by faulting(A rock type - Geology)
Answer: Cataclasite
Item added: 14.09.2009 View Question
Comments: Statistics: 925 Images: 0