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Igneous
Intrusive
2
Sedimentary
2
Years BP
2
-
1
4500000000
1
7300000
1
990000
1
Andesite
1
Aplite
1
Basalt
1
Breccia
1
Calcarenite
1
Chert
1
Chilled Margin
1
Diabase
1
Diorite
1
Extrusive
1
Extrusives
1
Gabbro
1
Granite
1
Granodiorite
1
Lava
1
Metamorphic
1
Not Specified
1
Phyllite
1
Schist
1
Sediment Layer
1
Shallow Marine Sediments
1
Sill
1
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