Density, Isostasy, and Topography Anne Egger, Stanford University The original activity Density, …
Density, Isostasy, and Topography Anne Egger, Stanford University The original activity Density, Isostasy, and Topography already exists within the SERC website. This page describes how this activity can be used ...
This activity modifies a typical density laboratory exercise to fit within a …
This activity modifies a typical density laboratory exercise to fit within a lecture session. Students are asked to compare the densities of six different rocks/minerals collected from six different environments. Based on the brief description of each rock the students are asked to first predict which rock has the highest density and which rock has the lowest density. The students are then asked to construct a hypothesis and test their hypothesis by calculating the density of the rocks. Students are then asked to apply information from lecture to place each rock in the appropriate layer of the Earth.
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This Western Mining History database uses Mineral Resources Data System to list …
This Western Mining History database uses Mineral Resources Data System to list known Colorado historical mines by county. Each county site has links to the known mines within its borders. Some are known and named, others are unnamed. Mines should be assumed to be on private property unless other research is conducted. Data provided for each mine site include: Name, State, County, Elevation, Primary Mineral Mined, Latitude and Longitude and a link to Google Maps. Photos are provided where available. Additional information for some Mines are satellite photos, and ownership, business and historical records. Mining History is an historical site that provides information on mining, mining towns, the gold and silver rush, and Photos and maps of the western United States. This is a great database for student historical research or data and statistics classes. Consider becoming a member or making a donation to help further the work of the site.
The goal of this pair of labs is for the students to …
The goal of this pair of labs is for the students to learn to apply rock and fossil identification skills to determining rock formations, sedimentary depositional environments, age ranges, and, ultimately, to writing a geologic history of a sequence of rocks from Bryce, Zion, and Grand Canyons. During the first of the two labs, the students learn to make fossil and sedimentary structures identifications. They add these skills to their rock and mineral identification skills to make interpretations of the sedimentary environments along a generalized profile from terrestrial to offshore locations. During the second lab, they apply these skills to a sequence of rocks from the southwestern U.S. to interpret the environmental changes that have occurred over time. They also begin to learn how to use fossils to determine age ranges for these changing events. Once they put together all of their data, they construct a stratigraphic column and piece together a written narrative of the geologic history of the area. The students work in groups to collect their data and determine their stratigraphy. They write their geologic histories individually. The students learn how to apply their skills and knowledge to make interpretations and also learn how to support their determinations with data.
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This project involves a field trip to the Jordan Formation in Winona, …
This project involves a field trip to the Jordan Formation in Winona, MN. Student teams are assigned a section of the outcrop from which they are to determine a stratigraphic column. The class then performs a lateral analysis and builds a composite stratigraphic column for the formation. As a final product, the students write up the class's observations about the formation.
Project Webpages
Project Summary and Write-up Outline (Acrobat (PDF) PRIVATE FILE 115kB Jul7 05) Instructor Notes for Project (Acrobat (PDF) PRIVATE FILE 91kB Jul7 05) Outlines and Notes (Acrobat (PDF) PRIVATE FILE 1.1MB Jul7 05) for each class session for this project
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In class, have students make a simple sketch of an outcrop shown …
In class, have students make a simple sketch of an outcrop shown in a slide (or computer projection) then discuss possible interpretations.
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Related Links Supplement for this course Field-based research projects are the focal …
Related Links
Supplement for this course
Field-based research projects are the focal point for my course in sedimentary geology. For each offering of the course, projects are selected which will enable students to engage in authentic research and learn fundamental principles of sedimentary geology at the same time. Projects have addressed problems as diverse as sedimentologic processes, paleoenvironmental interpretation, stratigraphic correlation between outcrops and the nature of contacts between units. Each semester, the specific content of the course, how the content is organized, which readings are chosen and selection of laboratory experiences are dictated by the nature of the specific project and are planned to support students in their work on the project. Less content may be "covered" with this approach and topics may not follow a "traditional" order (see syllabus), but students' depth of understanding, skills in scientific reasoning, sense of accomplishment, and growth in confidence are greatly enhanced. Class projects from half of the past four offerings of the course culminated in the presentation of three posters at regional GSA conferences. Results of the other two semesters were not submitted for presentation because the instructor failed to identify problems of adequate significance for the class to investigate. However, these projects did yield data which may be useful in future projects.
Field projects must be chosen carefully so that they a) have the potential to yield results of scientific significance, and b) can be completed within the time-frame of one semester. In addition, it is essential to provide students with experiences that enable them to develop the expertise necessary to gather and make sense of the data. To ensure these conditions, the faculty member should be involved actively as a collaborator in the project. Therefore it is mutually beneficial if the class project is related to the faculty member's research or to a topic of interest to him/her. Guidelines for the development of successful projects are available in the Instructor's Notes file.
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A homework/classroom activity where students collect historical earthquake information and use it …
A homework/classroom activity where students collect historical earthquake information and use it to forecast the probability of larger earthquakes.
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Trench logs of the San Andreas Fault at Pallett Creek, CA are …
Trench logs of the San Andreas Fault at Pallett Creek, CA are the data base for a lab or homework assignment that teaches about relative dating, radiometric dating, fault recurrence intervals and the reasons for uncertainty in predicting geologic phenomena. Students are given a trench log that includes several fault strands and dated stratigraphic horizons. They estimate the times of faulting based on bracketing ages of faulted and unfaulted strata. They compile a table with the faulting events from the trench log and additional events recognized in nearby trenches, then calculate maximum, minimum and average earthquake recurrence intervals for the San Andreas Fault in this area. They conclude by making their own prediction for the timing of the next earthquake. While basically an exercise in determining relative ages of geologic horizons and events, this assignment includes radiometric dates, recurrence intervals, and an obvious societal significance that has been well received by students. With minor modifications, this exercise has been used successfully with elementary school students through university undergraduate geology majors. Less experienced students can work in groups, with each group determining the age of a single fault strand; combining the results from different groups and calculating recurrence intervals can then be done as a class activity. University students in an introductory geology course for non-majors can add their data from the trench log to an existing table with other faulting events already provided. The exercise can be made more challenging for advanced students by using logs from several different trenches, requiring students to design the table themselves, and giving students the uncertainties for the radiometric dates rather than simple ages for the strata. Most students -- at all levels -- are initially frustrated by their inability to determine an exact date of faulting from the available data. They gain a new appreciation for the task of the geoscientist who attempts to relate geologic phenomena to the human, rather than geologic, time scale.
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This activity uses Google Earth to explore the distribution of plate boundaries …
This activity uses Google Earth to explore the distribution of plate boundaries and hotspot volcanoes on Earth. It uses the ages and locations of the hotspot volcanoes to determine the direction and rate of plate motion.
As a culminating assignment in Natural Hazards Planning, students work in teams …
As a culminating assignment in Natural Hazards Planning, students work in teams to create 15-year mitigation strategy for a selected jurisdiction using the FEMA 386 methodology for prioritizing mitigation options.
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The lesson content focuses on designing investigations concerning the notion of scale …
The lesson content focuses on designing investigations concerning the notion of scale through a series of investigations on their campus. The overarching goal is to foster a connection to the earth through an investigation of the local environment.
In this guided research and critical thinking activity, students prepare a research …
In this guided research and critical thinking activity, students prepare a research paper comprised of two parts: 1) a "state-of-the-science" review and synthesis of selected literature from risk and resilience research (provided) and 2) a brief critical appraisal of how current knowledge is (or could be) applied to building disaster resilience in a real-world scenario. Part 2 will be set in a student-selected hazard context (coastal hazards, flooding, or earthquake), employment sector (academia, government, private industry, services, non-profit), and geopolitical sphere of influence (e.g., Resilience to earthquake disaster in the student population at Universidad de Lima, Peru).
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This site from the National Park Service briefly addresses the geology of …
This site from the National Park Service briefly addresses the geology of Devil's Tower. The evolution of various theories on the formation of the tower are discussed. A slide show of the emplacement of the tower is also available.
An understanding of the microscale structure and composition of sedimentary rocks is …
An understanding of the microscale structure and composition of sedimentary rocks is of undiminished importance in diverse fields (e.g., microscale chemical analysis cannot proceed without petrography), yet the curriculum is no longer offering undergraduates the opportunity to develop sufficient expertise. In an effort to bolster the exposure of undergraduates to sedimentary petrology, the Tutorial Petrographic Image Atlas was created. The basic components of the tutorial are petrographic images that are viewed in a static mode (no rotation, no animation, no timed observation). Text boxes relating to identification of components within the image are attached to specific mapped regions of the image. Both the mapped regions and the text are invisible until the student points and clicks on an active region of the image. In essence, the student must 'ask', "What is that?" Information ranges from simple one word identifications to lengthy paragraphs explaining the finer points of why something is what it is.
This is a highly interactive digital product that attempts to recreate certain elements of the laboratory petrographic experience including: a sense of exploration; high-quality petrographic images; a visual field dominated by the image; multiple examples of features viewed in diverse contexts; rich content relating to the identification and significance of features; active, inquiry-based learning.
Unlike real-time laboratory experiences with the petrographic microscope, the digital tutorial can be used at any time and place that a computer is available, does not require the presence of a microscope or samples or an expert, can be viewed repeatedly, has the technical content integrated with the image, gives the student undivided "attention" (unlike the TA, it doesn't wander to the other side of the lab), and rarely gives answers unless "asked."
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This project is designed based on 21st century skills and to help …
This project is designed based on 21st century skills and to help students engage in, experience, explore and evolve science. As a part of the activity students create a digital poster (infographic) using free online websites, such as: Piktochart, Checkthis, Glogster, Infogram, Easelly, Visually. They are not allowed to use powerpoint, learning to use these websites is one of the objectives of the activity. Students are provided information on Copyright protection and Creative Commons, Referencing and Grading Criteria of the digital poster. Students are assigned one mineral and 1 rock from each category of igneous, sedimentary and metamorphic to describe on the digital poster. Information provided in the textbook and power points such as physical and chemical properties ( included but not limited to: chemical composition, density, texture, color, etc.) and 1 or 2 images of each sample should be included on the poster. Also they are advised to add the most common uses of the samples or any other information that they find interesting, which they may find this information in class material or they may have to do a little research. If they use sources other than class material, they need to cite their references.
This is an online learning experience that transports learners around the world …
This is an online learning experience that transports learners around the world to different locations related to the Cretaceous -- Paleogene (K -- Pg) extinction event. Students will collect and analyze evidence to explain how natural events impact life on Earth. The KPg extinction event, which occurred 66 mya, caused the mass extinction of nearly 75% of the plant and animal species on Earth, including the dinosaurs. It is marked by a thin layer of sediment which can be found throughout the world in marine and terrestrial rocks.
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Brian Engh, paleoartist, explains the process of paleoart and does a demonstration …
Brian Engh, paleoartist, explains the process of paleoart and does a demonstration of creating a Stegosaurus. From skeleton to musculature to the possible colors of a Stegosaurus, follow along as Brian shows us what Sophie the Stegosaurus may have looked like. Warning Content Alert: This video contains brief discussion about dinosaur mating and may not be appropriate for all audiences.
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