lutite

shale

mud rocks

Potter, Maynard and Pryor; 1980; Sedimentology of Shale: Springer-Verlag, New York, 310p.

Lundegard & Samuels; 1980; Field Classification of Fine Grained Sedimentary Rocks: J Sed. Pet., v50#3, p781-786.

lamination

causes of stratification & parting in lutites

fissility

 

silt content

 

flocculate

"average" mud rock:

mineral composition

 

environments

color

color variables

mud rock structures

lamination

 

energy and bedding type

persistent distinct - broken distinct - wavy bedding - curved bedding

 

varves

raindrop imprint

Some Famous Shales

 

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RBJ 10/2000