Lithodeme and Lithodemic units

Question 1

What is a lithodeme?

Answer 1

It is a fundamental lithological unit for classification or rock bodies that do not conform to the law of superposition (most intrusive and high-grade metamorphic rocks)

They lack primary stratification

Term is comparable to formation

Question 2

Lithodemic units serve as the foundation for studying, describing, and delineating:

Answer 2

Lithology
Local and regional structure
Economic resources
Geologic history of terranes

Question 3

A lithodeme should possess distinctive _____ and some degree of ___________

Answer 3

Lithic features and internal lithic homgeneity

Question 4

A lithodeme must be

Answer 4

mappable at the earths surface and traceable in the subsurface

Question 5

Suite

Answer 5

Comprises 2 or more associated lithodemes of the same class

Is the lithodemic unit next higher in rank to a lithodeme

Comparable to term group

Question 6

Supersuite

Answer 6

Next higher in rank to a suite

comprises 2 or more suites or complexes having a degree of natural relationship to one another, either vertically or laterally

Question 7

Complex

Answer 7

An assemblage or mixture of rocks of two or more genetic classes, with or without highly complicated strucutre