________ Embryoblast

question 10

Multiple Choice

________ Embryoblast

• A)A
• B)B
• C)C
• D)D

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Definitions:

Unconformity

An interface between distinct groups of strata that shows a phase of erosion or no sediment accumulation.

Desert Varnish

A thin, dark film or coating of iron and manganese oxides, silica, and other materials; formed by prolonged exposure at the surface; synonym rock varnish.

Desert Pavement

A natural concentration of pebbles and other rock fragments that mantle a desert surface of low relief.

Cross-Cutting Relations

A geological principle stating that any geologic feature that cuts across another feature must be younger than the feature it cuts.