     Igneous Rock Photos
Cochise College
Virtual Geology Museum
Hall of Rocks
Photos of Rocks
Geology Home Page

Roger Weller, geology instructor
( wellerr@cochise.edu )

Igneous Rock Table (shows relationships)

Index
Number of photos: 487 Last edited: 5/15/13
Quick Tour: 10 Common Igneous Rocks

glassy

pumice (29)

perlite (8)
fine grained (aphanitic)
andesite (29)

    basalt (57)
    dacite (2)
    diabase (6)
    phonolite (2)
    rhyolite (30)
    trachyte (4)
    tuff (36)
    lithophysa (9)

coarse grained (phaneritic)
    anorthosite (4)
    aplite (2)
    diorite (33)
    dunite (2)
    gabbro (26)

    granite (59)
    kimberlite (2)
    monzonite (17)
    peridotite (6)
    pyroxenite (2)
    syenite (10)
very coarse grained

porphyritic

porphyry (19)

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Just credit photos to R.Weller/Cochise College.
copyright 2013-R.Weller