Fichas

Geology Igneous

HeatherSwienton Inglés 13 fichas

Fichas del conjunto (13)

1—Andesite
Intermediate
Plag-FSpar, K-Spar, Quartz, Amphibole
Aphanitic (fine-grained)
2—Basalt
Mafic
Plag-Spar, Amphibole, Pyroxene
Aphanitic (fine-grained)
3—Diorite
Intermediate
Quartz, Plag-Spar, Amphibole
Phaneritic (coarse-grained)
mix of light and dark, no pinks/greens
4—Gabbro
Mafic
Plag-Spar, Pyroxene
Phaneritic (coarse-grained)
5—Granite
Felsic
Muscovite, Quartz, K-Spar
Phaneritic (coarse-grained)
6—Obsidian
Mafic
Glassy
Conchoidal fractures $Obsidian Mafic Glassy Conchoidal fractures$
7—Periodite
Ultramafic
Olivine, Pyroxene
Phaneritic (coarse-grained)
8—Pumice
Felsic/Intermediate
abundant tiny vesicles, lightweight, gray
Vesicular
9—Rhyolite
Felsic
Muscovite, Quartz, K-Spar
Aphanitic (fine-grained)
10—Scoria
sponge like
mafic
vesicular
11—(Volcanic) Tuff
Felsic-Mafic
Pyroclastic or Fragmental
size < 2mm
12—Vesicular Basalt
Mafic
Vesicular
13—Volcanic Breccia
Felsic-Mafic
Pyroclastic or Fragmental
size > 2mm