SHREEKUMAR S

SHREEKUMAR S

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Learn to Read a Geologic Map: Geologic Age and Formation Symbols

Understanding geologic maps starts with topography.

Learn to Read a Geologic Map: Contacts, Faults, Strikes and Dips on Geologic Maps. Excerpt of a geologic map explanation

Understanding geologic maps starts with topography.

Here's a small sample of a real geologic map. You can see the basic things discussed earlier—the shorelines, roads, towns, buildings and borders—in gray. The contours are there too, in brown, plus the symbols for various water features in blue. All of that is on the map's base. The geologic part consists of the black lines, symbols and labels, plus the areas of color. The lines and the symbols condense a great deal of information that geologists have gathered through years of fieldwork.

Contours and topography are just the first part of a geologic map. The map also puts rock types, geologic structures and more onto the printed page through colors, patterns and symbols.

Learn to Read a Geologic Map: Symbolizing Geology on Geologic Maps

Contours and topography are just the first part of a geologic map. The map also puts rock types, geologic structures and more onto the printed page through colors, patterns and symbols.

Learn to Read a Geologic Map: Starting on the Ground - Topography on Maps

on the Ground - Topography on Maps Geologic maps may be the most concentrated form of knowledge ever put on paper, a com.