Photos of Rocks  
Cochise College                       

Geology Home Page

Roger Weller, geology instructor  ( )
Number of photos:  1268      last edited:  4/4/16  


Rock Types

Quick Tours:
10 Common Igneous Rocks
12 Common Sedimentary Rocks    8 Common Metamorphic Rocks

Special noteto see a selection of my rock photos,

 go to Google images, type Roger Weller then any rock name.
 (Example: Roger Weller basalt)


Igneous Rocks   (533)

    Igneous rocks are formed by the cooling and
   solidifying of molten rock (magma).



Sedimentary Rocks  (386)

   Sedimentary rocks are formed by the consolidation
   of loose sediments or by chemical precipitation.



Metamorphic Rocks  (333)

   Metamorphic rocks are rocks that are altered by           
   heat and/or pressure.    

Rocks Used in Building  (21)

Photos are copyright free for non-commercial educational uses. 
copyright 2015-R.Weller   Just credit photos to R.Weller/Cochise College.

marble tiles