This series of articles describes the uses of mineral products in sports and sporting equipment. Full description.

This slide show provides an introduction to the production and uses of natural aggregate. Topics include some definitions, uses, and demand for aggregate. There is also information on its occurrence, mining, and production. Full description.

This article provides an overview of the sedimentary processes that occurred in the aftermath of the May 18, 1980 eruption of Mount St. Helens. Topics include the vast quantity of easily erodable volcanic deposits, high sedimentation rates downstream from the volcano, changes in drainage patterns caused by the debris avalanche that triggered the eruption, and some efforts to control the downstream ... Full description.

This fact sheet provides an overview of basic scientific facts about landslides. Topics include the different types of landslides, ways that they might be triggered, and how to lessen the effects of landslides on people and structures. A set of links to additional information and some suggested publications are provided. A downloadable, printable version is also available. Full description.

This fact sheet provides an overview of the hazards presented by landslides and debris flows, particluarly in wet weather conditions in landslide-prone areas. Topics include a discussion of the characteristics of debris flows, and suggestions for residents who live in steep, hilly terrain which is subject to periodic heavy rains. Full description.

This portal provides access to educational materials produced by the Cascades Volcano Observatory. The items include news and current events, information on current activity of the Cascades volcanoes, and emergency information in the event of an eruption. There are also frequently-asked-questions features, a glossary, and links to reading materials such as fact sheets and reports of the United States ... Full description.

This report provides an overview of the changes that occurred in lakes in the region around Mount St. Helens following the eruption of May 18, 1980. Topics include water chemistry, sediment supply, and biology. Other factors which are discussed include the proximity of lakes to the volcano, and whether they were situated in the blast zone or simply received ashfall from the eruption. Links to related ... Full description.

This report summarizes the Volcano Hazards Program of the United States Geological Survey (USGS). Topics include its goals and activities, some key accomplishments, and a plan for future operations. There are also discussions of active and potentially active volcanoes in the U.S., the role of the USGS volcano observatories, prediction of eruptions, and potential danger to aircraft from volcanic plumes. ... Full description.

This module consists of seven lessons designed to educate students on the exploration of Mars, including topographic and geologic mapping, Martian volcanoes and geology, and image interpretation. The lessons include hands-on activities, maps and overheads, and links to additional resources. Full description.

This report provides an overview of the Chesapeake Bay bolide and how it influenced the formation of the modern bay. Introductory material discusses what a bolide is, types of impact craters, and recent impacts that have generated public interest. The discussion continues with evidence of the late Eocene Chesapeake Bay impact, including seismic data, characteristic minerals, and the discovery of a ... Full description.