Question
Over the last 70 million years or so, the Hawaiian Hot Spot has been pumping out lava, a total of about 775,000 km3 worth. As the Pacific Plate has moved over the hot spot, the volcanic peaks and plateaus of the Hawaiian-Emperor seamount chain have formed. If all of that lava had erupted in California, how deeply would California be buried in lava?

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Question In 1983, an eruption began at Kilauea Volcano in Hawaii that has proved to be the largest and longest-lived eruption since records began in 1823. Lava has poured out of the volcano at an average rate of about 160 million m3 per year. To put those flow rates into perspective, let's suppose that the volcano was erupting directly into your classroom. At these flow rates, how long would it take to fill your classroom with lava?

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SSAC Physical Volcanology module. Students build a spreadsheet and apply the ideal gas law to model the velocity of a bubble rising in a viscous magma.

SSAC Physical Volcanology module. Students build a spreadsheet and apply the ideal gas law to model the velocity of a bubble rising in a viscous magma.

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In this exercise, students use whole-rock major- and trace-element compositions of volcanic rocks to explore the origins of compositional variation in igneous suites. Large datasets from the Yellowstone and Crater Lake calderas are downloaded from the GEOROC database, imported into Excel spreadsheets, and graphed to learn about the different petrogeneses of these two volcanic suites.

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In this exercise, students use whole-rock major- and trace-element compositions of volcanic rocks to explore the origins of compositional variation in igneous suites. With the help of detailed step-by-step instructions, datasets from the Yellowstone and Crater Lake calderas are downloaded from the GEOROC database, imported into Excel spreadsheets, and graphed in the form of "Harker" diagrams to learn about the different petrogeneses of these two volcanic suites.

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The following topical questions and selected resources are designed to guide you in an introductory exploration of the Cretaceous superplume event. The resources linked from this page include an assortment of web- and non-web resources, published papers, abstracts, graphics, and animations. Direct links to web resources are followed by a "more info" link that gives a short description of the web resource. These resources by no means comprise a comprehensive treatment of the literature on the subject, but should at least give you a place to start in your study of the Cretaceous superplume event.

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In this exercise, students use major-element compositions of whole-rocks, volcanic glasses, and minerals in lavas and drill cores from the solidified Kilauea Iki lava lake. The data is presented in the form of a "precompiled" spreadsheet which contains selected analyses culled from the GEOROC database and a USGS Open File report. Students make graphs from the data to learn about the petrologic processes related to the eruption and in situ crystallization of basaltic magma

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In this exercise, students use major-element compositions of whole-rocks, volcanic glasses, and minerals in lavas and drill cores from the solidified Kilauea Iki lava lake. The data is presented in the form of a "precompiled" spreadsheet which contains selected analyses culled from the GEOROC database and a USGS Open File report. Students make graphs from the data to learn about the petrologic processes related to the eruption and in situ crystallization of basaltic magma.

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In this series of inquiry-based exercises about volcanoes and plate tectonics, students will collect, plot, and interpret data and finish with a role-playing activity and a virtual field trip.

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This is a problem set that gets students to think quantitatively about magmas. To be most effective, it should be done in conjunction with a showing of some or all (I recommend some...) of the movie "Volcano". How much water would be needed to stop a lava flow on Wilshire Blvd. in Los Angeles?!

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Public attention was captured in May 2018 when the Hawaiian volcano Kīlauea erupted with rivers of lava that flowed through Leilani Estates and other nearby neighborhoods. Your students may have seen videos of hot lava covering roads, destroying homes, or reaching the ocean with clouds of hot steam. You can capitalize on their interest by using data from this real-world event.

In these middle school lessons, students take on the role of volcanologists in order to analyze geologic data about the May 2018 eruption of Kīlauea and provide recommendations for mitigating its harmful effects.

We anticipate that hikers will start from Dunraven Pass at 8:00 AM. Hikers should return to the vans at 12:00 PM, from there we will go to a picnic area for lunch. All hikers must therefore turn around and head for the vans no later than 10:45. Because of these strict time limitations, there will probably not be
sufficient time to examine the rocks in as much detail as one would hope. The trip is thus largely a self guided tour. It will, nevertheless, give you an opportunity to examine several rock types associated with calc-alkaline composite cones and provide a spectacular view of the Yellowstone Caldera, weather permitting.

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The purpose of the exercise is to familiarize igneous petrology students with flow properties of lava, especially viscosity, and to have them consider effects on viscosity due to temperature, crystallinity and volatile content. The problem uses data from an actual eruption.

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students are asked to resolve how many days each of 5 volcanologists spent at a volcano and what day they started for the volcano. There is also a second part where students are asked to do some additional research about volcanoes on the web.

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Students examine a geologic map of Hawaii and begin to decipher it. In particular, students are asked to examine the map and its legend, to answer some specific questions about them, and then to answer the overarching question, "What evidence is there on this map that the Hawaiian Islands formed over an oceanic hotspot?"

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Students are given major-element, whole-rock chemical analyses from ten samples of lava from the 1868 eruption of Mauna Loa. They do not know sequence of eruption, only that the lavas came from the same volcano. Students are asked to evaluate the hypothesis that the observed chemical variation is due to the fractional crystallization of olivine. The hypothesis can be tested any of a number of graphs. Several examples are given in the accompanying Excel workbook.

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To prepare for this project, students read the chapter on volcanoes in Grotzinger et al. In class, students receive specific instructions on what to include in their report, presentation as well as a specific volcanic eruption to investigate. Students individually research the volcanic eruption to learn more about a topic of interest to most students as well as to learn how to do research and how to write a paper. In the group project, they learn how to make an effective presentation. This presentation is self-contained and is supposed to be geared to a middle school audience. Some students do a very good job at explain the basic concepts to a student in that age group which means they really understand it.

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This homework has two parts. In the first part, the students use Stoke's Law to determine (a) the relative sizes of olivine and plagioclase settling at the same velocity (and relate their answer to observations made on cumulate rocks in the lab, (b) the length of time it would take a xenolith-bearing basalt on Hawaii to reach the surface, and (c) to realize that pumice landing on seawater will float, not sink! In part 2, the students fill out a worksheet to see the effects of simultaneous fractional crystallization of olivine, clinopyroxene, and plagioclase on residual melt composition, and then determine whether the melt follows a tholeiitic or calcalkaline trend. The homework involves simple algebra, but several unit conversions and normalization of the results. After the students hand in the homework, we have a class discussion on the assumptions and problems associated with using Stoke's Law to model magmatic processes. We also work with different colored marbles to see the effects of fractional removal of different "minerals" on residual magma composition. My main goal in assigning this homework is to have students see that they can use simple math to come up with results for themselves, and then to have them think about the significance of those results.

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This lab project is in two parts. In the first part students are given a map of Snake River Plain volcanic centers with a range of dates of eruptions. Based on what they know about hot-spot tracks, they use the map and reported isotopic ages to calculate a range of values for the relative velocities of the North American Plate and the Yellowstone hot spot. In the second part, students are given a map of the distribution of a volcanic ash from the Yellowstone volcanic field, with thickness of the ash where known. Students are asked to contour the map to show how the ash is distributed, and think about the factors that affect that thickness, both during and after the eruption. In both parts of the lab students have to deal with real data that is incomplete in some cases, and usually occurs as a range of values. Students must make decisions about how to treat incomplete data sets that do not have absolute values.

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