Rocks and deposits
Solid masses that make up the earth's crust as well as accumulations of materials. Use for major rock types and unconsolidated deposits. For deposits of economic value, see related terms.
Devils Postpile National Park geologic story [ More info] Site has links to Devils Postpile's geologic history, rocks and minerals, geologic time, geologic maps.
Dinosaurs, fact and fiction [ More info] Online booklet with answers to frequently asked questions about dinosaurs.
Education resources for paleontology [ More info] Contacts and other sources of information for teachers, students, and others interested in paleontology with links to related USGS websites and on-line publications.
Effects of Building a Sand Barrier Berm to Mitigate the Effects of the Deepwater Horizon Oil Spill on Louisiana Marshes [ More info] An assessment of the potential protective effects on coastal marshes in Louisiana of building barrier berms seaward of the existing barrier islands and inlets to help block or reduce the onshore spread of oil from the Deepwater Horizon oil spill.
Famous building stones of our Nation's capital [ More info] Describes the types and sources of materials used to build some of the most famous landmarks in Washington D.C.
Fossil locations and data for the Taylor Mountains, and parts of the Bethel, Goodnews, and Dillingham quadrangles, southwestern Alaska [ More info] Location, taxa present, and geological context for 290 fossil samples collected in this area.
Fossils, rocks, and time [ More info] Booklet describes how paleontologists use the identification of fossils to recognize rocks of the same or different ages.
Geochemical and mineral maps from soils of the conterminous United States [ More info] Geochemical and mineralogical maps along with a histogram, boxplot, and empirical cumulative distribution function plot for each element or mineral whose data are provided in DS-801
Geochemical sediment analysis procedures [ More info] Manual of chemical sediment analysis using Coulometer and CHN Analyzers to measure carbon content, spectrometric analysis for biogenic silica, and radiochemistry to measure isotopes. Includes techniques,sample preparation, and safety procedures.
Geologic hazards at volcanoes [ More info] Poster diagram showing the various hazards that accompany volcanic activity as they relate to the structure of the volcano.
Alphabetical Index of Topics
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