Sedimentary Structures
Cochise College                          
Photos of Rocks   
Sedimentary Rocks   
Geology Home Page         

Roger Weller, geology instructor
( )

ripple marks

last edited  1/30/18    number of photos:  45

cave formations
stalactites:  A  B  C  D

stalagmites:  A

chert nodules
chert nodules:  A  B
iron concretions:  A  B 

cross bedding

cross bedding:  A  B  C  D  E  F  G  H  I                                          


mud cracks

mud cracks, ancient: A 

mud cracks, modern:  A  B  C  D

mud curls: A

raindrop imprints
raindrop imprints:  A  B  C  D

ripple marks
ripple marks:  A  B
ripple marks-Moenkopi formation:  A  B  C 

septarian nodules
septarian nodules-cut:  1  2  3
septarian nodules-uncut:  1
giant cut septarian nodule:  1

tool marks
tool marks:  A  B                                                           
cone-n-cone structures
cone-in-cones:  A  B

liesegang rings
lisesgang rings:  A  B  C
  D  E

Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.
copyright 2016-R.Weller