A2 



BYPASSING The movement of sediment across a natural or manmade 

 barrier to alongshore sediment movement. 



CARBONATION A chemical weathering process involving the 



transformation of calcium, magnesium, potassium, and sodium minerals 

 into carbonate and bicarbonates of these metals by carbon dioxide 

 contained in water. 



CHELATION The taking up or release of a metallic ion by an organic 

 molecule. 



CLASTIC Sediment or rock composed of particles of pre-existing rocks or 

 minerals that have been transported out of the place of origin. 



CONTINENTAL SHELF The broad shallow submarine plain that fringes 

 many continental coasts. 



CORALLINE Pertaining to die large group of hard, calcareous, external 

 skeletal, bottom-dwelling marine coelenterates of class Anthozoa. 



CORIOLIS EFFECT The apparent deflection of moving objects from a 

 straight path caused by earth rotation. Moving bodies appear deflected to 

 the right in the Northern Hemisphere and to the left in the Southern 

 Hemisphere. 



CREVASSE Splay deposit Deposits laid down by river water emerging from 

 a break or rupture in a river's levees. The deposits sometimes resemble a 

 small delta. 



CYCLONIC Pertaining to an atmospheric system that is characterized by 

 low pressure and counterclockwise winds north of the equator and 

 clockwise winds to the south. 



DIAGENESIS Changes undergone by sediments after their initial deposition. 

 The term often refers to compaction, cementation, and replacement. 



DIAPIR Structure in which the core of an anticline breaks through overlying 

 rocks. 



DIASTROPHISM The deformation of large masses of rock. 



DIP The angle of a bedding plane to the horizontal. 



DISTRIBUTARY A branch of a stream flowing out of another stream. 

 Distributaries are most common in deltas. 



DOLOMITIC Containing dolomite, a calcium magnesium carbonate. 

 Dolomite is both a mineral and rock name. 



Appendix A Glossary of Geologic Terms 



