What Is A Geologic Map

Rock types or unconsolidated materials are generally grouped into map units and depicted using different colors. For a list of quadrangles in this series please visit the Open-file Geologic Map OF-GM page or try our search page for geologic maps of any series. Each consolidated rock type that can be distinguished by similar characteristics is categorized into a mappable unit or formation. Geologic maps are the primary source of information for various aspects of land-use planning including the siting of buildings and transportation systems.

A geologic map is a special-purpose map made to show geologic features.

What Is A Geologic Map. They are published by the Government on the scale of an inch to a mile and should be bought by anyone who wants to find out about the geology of any district. A geologic map is a specially detailed map that depicts the distribution of rocks and geological features of a given region. The features presented on a geologic map make them unique.

Geologic maps represent the distribution of different types of rock and surficial deposits as well as locations of geologic structures such as faults and folds. What does a fault look like on a geological map. Maps which are coloured so that they show different kinds of rock are called geological maps.

There are symbols on a geologic map that tell you which direction the rock layers slant. A cross section shows. These maps are open-filed as they become.

Introduction To Geologic Mapping