What is a Geologic Map?
What is a Geologic Map Used For? Why are Geologic Maps Important? Hasnt It Been Mapped Before? What Do All Those Lines, Colors, and Symbols Represent? How is a Geologic Map Made? References Geologic maps graphically communicate vast amounts of geologic information – they are to a geologist what blueprints are to an architect, what a highway map is to a traveler, or what a photo-realistic painting is to an artist. Geologic maps display three-dimensional features on a flat piece of paper, with the added benefit of depicting the relative age, composition, and relationships among rocks and sediments at and near the earths surface. A detailed geologic map shows what it is you are standing on; where similar rocks or sediments may be found; how old they are; what they are composed of; how they formed; how they have been affected by faulting, folding, or other geologic processes; and what existing or potential mineral resources and geologic hazards are nearby. It would require volumes of text
