Coal Photos
Cochise College
Photos of Rocks
Sedimentary Rocks
Virtual Geology Museum
Hall of Rocks
Geology Home Page
Roger Weller, geology instructor
Coal Photos
Coal
last edited:
12/7/07
number of photos: 15
Coal is a family of biological sedimentary rocks made from
organic debris.
Depending upon conditions of heat, pressure, and age, coal
can range from
slightly altered materials, such
as peat, to
metamorphosed materials that are higher in carbon content,
namely
anthracite.
photos
coal, anthracite:
A
B
C
D
E
F
coal, bituminous:
A
B
C
D
coal, peat:
A
B
C
coal, shaley with plant
imprints
coal, vitrinite seam
Photos are copyright free for non-commercial educational
uses.
Just credit photos to R.Weller/Cochise College.
copyright 2007-R.Weller