USGS - science for a changing world

Science Topics

Maps, Imagery, and Publications Hazards Newsroom Education Jobs Partnerships Library About USGS Podcasts/RSS
You are here: Topics > Earth characteristics
Help
Stratigraphic sections
Vertical arrangement in layers of rock units whose sequence is used to study the geological history of the strata.
Subtopics:
Bedrock geologic units (6 items)
Surficial geologic units (17 items)
Related topics:

Results 1 - 20 of 20 listed by similarity [list alphabetically]
Generalized surficial geologic map of the Pueblo 1 degree x 2 degree quadrangle, Colorado. [New Window]
Surficial geologic map of the Pueblo quadrangle in Colorado with text and references in PDF format, metadata, and GIS files to download.
Maps On Demand: limited printing of digitally supported U.S. Geological Survey maps and reports [New Window]
The USGS provides map-on-demand (MOD) printing for selected infrequently requested geologic and other theme map products providing high-quality paper-copy maps as needed. Site links to available map products with thumbnail views and how to order.
National Cooperative Geologic Mapping Program [New Window]
Homepage linking to National Cooperative Geologic Mapping Program (NCGMP) components: FEDMAP for federal mapping projects, STATEMAP for state geological survey projects, and EDMAP for geologic mapping education projects.
National Geologic Map Database Catalog [New Window]
Search tool for locating print and online U.S. geologic maps by area, title, author, etc.
Preliminary geologic map of the Santa Barbara coastal plain area, Santa Barbara County, California [New Window]
A geologic map of the Santa Barbara coastal plain region in PDF format with data in GIS format (ArcInfo export, shapefile, and TIFF)
Southern California Areal Mapping Project (SCAMP): find geologic maps [New Window]
Download digital geologic databases produced by the Southern California Areal Mapping Project (SCAMP) or view SCAMP work in progress by clicking on 1:100,000-scale, 30x60' quadrangles.
Three-dimensional geologic maps and visualization [New Window]
Techniques of computer-based representations of areal geology to construct three-dimensional geologic maps that retain all the information of traditional geologic maps while providing a more detailed picture of the subsurface.
Alaska mineral resources [New Window]
Reports, data, and current research on mineral resources in Alaska
Aquifer basics [New Window]
Links to general information on water supply by aquifers based on rock types and to principal national aquifers by name.
BRASS: Bedrock Regional Aquifer Systematics Study [New Window]
Description of the project to publish new bedrock geologic maps in the United States to advance the understanding of the region's bedrock aquifers. Includes list of projects.
Bedform sedimentology [New Window]
Bedform sedimentology home page with links to information on sedimentary structures including, explanatory text, computer-generated images and movies, photographs, and bedform simulation software.
Carolina slate belt gold deposits in Virginia, North Carolina, South Carolina, and Georgia [New Window]
Report of research on the Carolina slate belt and gold deposits in Virginia, North Carolina, South Carolina, and Georgia with geologic mapping, mineralogic, geochemical, and fluid evolution studies, radiogenic dating, and stable isotope studies.
Cross-bedding, bedforms,and paleocurrents [New Window]
The on-line version of Cross-Bedding, Bedforms, and Paleocurrents, with computer images, photographic images, and text.
Geology of the onshore part of San Mateo County, California: a digital database [New Window]
This digital map database represents the general distribution of the geology (bedrock and surficial deposits) in San Mateo County. Accompanying text file (*.txt or *.ps) provides current information on the geologic structure and stratigraphy.
Long Island Sound sidescan sonar mosaics [New Window]
Sidescan sonar image, surficial geologic interpretation, and bathymetry of the Long Island Sound sea floor.
Pennsylvania compressed digital spatial data available for downloading [New Window]
Pennsylvania digital data for watershed boundaries, county geology, and flood mapping in Arc/Info format compressed with gzip utility for downloading plus links to other sources of data.
Southern California Mapping Project (SCAMP) [New Window]
Description of the SCAMP project to produce geologic and geophysical maps and reports that describe the geologic setting and geologic history of southern California.
Unsaturated-Zone Flow Program [New Window]
Overview of research to measure, predict, and understand the flow of water through soil and rock between the land surface and the water table with links to field sites, laboratory methods, theoretical developments, publications, and personnel.
Washington aeromagnetic maps and data [New Window]
Colored geomagnetic and gravity maps and related data and graphical plots for the state of Washington.
Western lake catchment systems - Bear Lake region, Idaho-Utah [New Window]
Homepage for project on Bear Lake, Idaho-Utah, to study past climate change and effect on lake catchment basins. Includes link to summary, personnel, geology, methods used including coring and seismic surveying, and publications.


Alphabetical Index of Topics a b c d e f g h i j k l m n o p q r s t u v w x y z

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.usgs.gov/science//science/science.php?term=1103&type=theme
Page Contact Information: Ask USGS