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Identifying the rocks

Identifying the rocks-example-1
User SebasSBM
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Granite
T: Phaneritic, Pegmatitic
P: Craton. Near Intrusive bodies such as a batholith
Plutonic
Minerals: Major: Plagioclase, K-spar

Granite #2
T: Phaneritic
P: same as above
plutonic
minerals: Major: Kspar Minor: Quartz and plag

Syenite:
T: Phaneritic
P: intrusive body. common in sills and more mafic bodies.
minerals: mainly alkali feldspar and amphibole

User Themaestro
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