U.S. Geological Survey Map Viewer
Follow; Twitter; Facebook; GitHub; Flickr; YouTube; Instagram
National Geologic Map Database - USGS
1 天前 · U.S. Department of the Interior | U.S. Geological Survey. Supported by the National Cooperative Geologic Mapping Program. Page Contact Information: Personnel.
Geologic map - Wikipedia
A geologic map or geological map is a special-purpose map made to show various geological features. Rock units or geologic strata are shown by color or symbols. Bedding planes and structural features such as faults, folds, are shown with strike and dip or trend and plunge symbols which give three-dimensional orientations features.
Maps | U.S. Geological Survey - USGS.gov
Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. They also organize, maintain, and publish the geospatial baseline of the Nation's topography, natural landscape, built environment and more.
The National Map Viewer | U.S. Geological Survey - USGS.gov
2021年12月28日 · Use The National Map Viewer to explore base-layer GIS data, see availability of USGS topographic maps, and create your own web map.
MapView (beta) | NGMDB - USGS
Explore, interact, and download geologic maps from the USGS National Geologic Map Database.
Introduction to Geologic Mapping | U.S. Geological Survey - USGS.gov
Geologic mapping is a highly interpretive, scientific process that can produce a range of map products for many different uses, including assessing ground-water quality and contamination risks; predicting earthquake, volcano, and landslide hazards; characterizing energy and mineral resources and their extraction costs; waste repository siting ...
Interactive database for geologic maps of the United States
This interactive tool serves as a national archive for high-quality, standardized geologic maps created by the U.S. Geological Survey and state geological surveys. The MapView section of the NGMDB displays geologic maps from across the country dating back to 1879.
Geologic Map of Arizona
Rocks of this map unit are largely restricted to six areas widely distributed in Arizona: San Francisco and Uinkaret volcanic fields in northern Arizona (0-4 Ma); Springerville (0-4 Ma) and San Carlos (0-2 Ma) volcanic fields in east-central Arizona; and San Bernardino (0-1 Ma) and Sentinel (1-4 Ma) volcanic fields in southern Arizona.
Geological Maps - Geology Science
2023年4月23日 · Geological maps are maps that represent the distribution and properties of rocks and geological features on the Earth’s surface. Geological maps can be used to understand the geology of an area, identify natural resources, plan …