SOES Geology Collection / Minerals /Igneous Rocks (for Undergraduate Course SOES 1001)
Photographs © Barry Marsh SOES 
| IG.01  Granite  |  IG.02  Diorite  | IG.03  Gabbro  |  IG.04  Picrite  |  IG.05  Porphyritic ryolite  | IG.06 Microgranite | IG.07 Microdiorite| IG.08 Dolerite  |
| IG.09  Porphyritic basalt  |  IG.10  Porphyritic micrograniteIG.11  Rhyolite  | IG.12  Andesite porphriticIG.13  Basalt  | IG.14  Porphyritic trachyte
| IG.15  Porphytitic granite | IG.16  Obsidian  |  IG.17 Pumice |   IG.18  Scoriaceous lava | IG.19 Amygdaloidal basalt |
| IG.20  Pyroclastics (a) Volcanic ash (b) LapilliIG.21 Tuff  | IG.22  Agglomerate |

N.B The 9 common igneous rock types are within the top left area of the box

 
IG.01 Ganite
IG.02  Diorite
IG.03 Gabbro
IG.04 Picrite
IG.05 Porphyritic rhyolite
IG.09 Porphyritic basalt
IG.10 Porphyritic micogranite
IG.06 Microgranite
IG.07 Microdiorite
IG.08 Dolerite


School of Ocean and Earth Science
University of Southampton
National Oceanography Centre
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Author: Barry MarshLast Updated: October 2006

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