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Results 71 - 80 of 165 for 'effect of volcanoes' DLESE Reviewed Collection = DLESE Reviewed Collection <<  4 5 6 7 8 9 10 11 12  >>
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This United States Geological Survey (USGS) on-line publication highlights the events and aftermath of the June 15, 1991 eruption of Mt. Pinatubo in the Philippines, which was the second-largest volcanic eruption of the 20th century. This report discusses the precursors to the 1991 eruption including the occurrence of earthquakes, dome growth and steam emissions. The explosive eruptions from June ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Map, Photograph, Report
Subject: Geology, Natural hazards
 
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This lesson is designed to help students gain knowledge in graphing a microset of data, then using the graphs to investigate the relationship between volcanic activity and the presence of atmospheric aerosols. The lesson provides detailed procedure, related links and sample graphs, follow-up questions and extensions, and Teacher Notes. Full description.
Grade level: High (9-12), General public
Resource type: Lesson plan
Subject: Atmospheric science, Chemistry, Climatology, Environmental science
 
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Educational standards associated with this resource:
National Science Education Standards (NSES), National Geography Standards, Other: Read
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This site provides reports from a British Geological Survey project which assessed the scale of arsenic contamination of groundwater in Bangladesh and examined the possible source, mobility and fate of arsenic in local aquifers. The two reports include several maps and photographs, as well as data sets from the studies. The site also features information about a similar project undertaken in Ghana. ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Map, Abstract / Summary, Report, In-situ dataset
Subject: Environmental science, Geology, Hydrology, Natural hazards
 
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This topical directory provides an alternate way to browse United States Geological Survey (USGS) science programs and activities. It is not an exhaustive list of all USGS science topics but provides a categorization using a thesaurus of related terms that will give definitions, links to science content, and a structured approach to discovery. The directory is divided into fourteen major topic headings, ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), College (15-16), Graduate / Professional
Resource type: Index / Bibliography, Ref. material
Subject: Geology
 
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This set of lecture notes discusses the occurrence and tectonic settings of igneous rocks near convergent plate margins. A discussion of petrography includes major element composition, calc-alkaline trends in ternary diagrams, trace element variations, isotopes to distinguish magma sources, and the origin of igneous rocks at convergent margins. The lecture notes include helpful illustrations, maps ... Full description.
Grade level: College (13-14), College (15-16)
Resource type: Presentation / Demo, Illustration - scientific, Map, Ref. material
Subject: Geology, Mineralogy or petrology
 
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These lecture notes present a discussion of mineralogical classification of granitic rocks, definitions of hypersolvus and subsolvus granites, tectonic and chemical classification, and depth of emplacement of granites. Other topics include pegmatites, continental rhyolites, origin of large volumes of silicic magma, continental flood basalts, continental rift valleys, evolution of rock suites, and ... Full description.
Grade level: College (13-14), College (15-16)
Resource type: Presentation / Demo, Illustration - scientific, Ref. material
Subject: Geology, Mineralogy or petrology, Structural geology
 
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This United States Geological Survey (USGS) factsheet contains information about US mercury contamination. Issues discussed include how mercury becomes a toxicological problem through bioaccumulation, human effects of mercury toxicity, and levels of atmospheric mercury. Mercury levels in fish are examined to determine how mercury gets into the environment and into the food chain. Full description.
Grade level: General public
Resource type: Illustration - scientific, Ref. material
Subject: Chemistry, Ecology, Environmental science
 
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This United States Geological Survey (USGS) on-line publication discusses the events of the 1980 eruption of Mount Saint Helens in Washington state and subsequent volcanic activity since that time. The report begins with the first signs of activity before the May 18th eruptions and a summary of the eruption with information about lahars, ash falls and volcanic gases. The report also discusses explosions, ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14)
Resource type: Photograph, Report
Subject: Geology, Natural hazards
 
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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.
Grade level: Middle (6-8), High (9-12), College (13-14), General public
Resource type: Illustration - scientific, Photograph, Report
Subject: Geology, Natural hazards
 
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This glossary of geologic terms is based on the glossary in Earth: An Introduction to Geologic Change, by S. Judson and S.M. Richardson (Englewood Cliffs, NJ, Prentice Hall, 1995). Where possible, definitions conform generally, and in some cases specifically, to definitions given in Robert L Bates and Julia A Jackson (editors), Glossary of Geology, 3rd ed., American Geological Institute, Alexandria, ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), College (15-16)
Resource type: Glossary
Subject: Geology
 
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Results 71 - 80 of 165 for 'effect of volcanoes' <<  4 5 6 7 8 9 10 11 12  >>