Graded Bedding Is _____________

question 49

Multiple Choice

Graded bedding is _____________.

• A) an upwards decrease in clastic particle size within a single sediment layer
• B) a Canadian quality- rating scale for different brands of mattresses
• C) an accumulation of sedimentary beds beginning with sandy beds at the bottom and ending with clayey beds at the top
• D) the layering in coral limestone produced by the combined chemical action of living coral animals and submarine, hot spring emissions

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Definitions:

Cleavage

The tendency of a mineral to break along flat, defined surfaces as a result of its crystal structure.

Axial Surfaces

Imaginary surfaces that divide a fold as evenly as possible, extending through the apex of each fold in stratified rock.

Folds

Structures formed by the bending and warping of rock layers under pressure during geological processes.

Metamorphic Rocks

Rocks that have undergone transformation in their mineral composition or texture due to high pressure and temperature, without melting.