Final answer:
Geologic maps include colors, letter symbols, fault lines, and contact lines to represent geologic features and rock formations.
Step-by-step explanation:
The type of maps that include colors, letter symbols, fault lines, and contact lines are called geologic maps. Geologic maps provide information about the geology and rock formations of a particular area. These maps use colors to represent different types of rocks, letter symbols to depict geologic features, and fault lines to show the location of faults or breaks in the Earth's crust. Contact lines are used to mark the boundaries between different rock formations.
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