MARGINS Mini-lesson Collection
Subject: Geology
Resource Type: Activities
Grade Level
MARGINS Initiative
Results 31 - 40 of 54 matches
Serpentine Seamounts in the Mariana Forearc: Shallow Material Releases from Downgoing Plates
A set of maps, images and .kmz files for use in lectures and discussions on forearc serpentine volcanism in the Mariana subduction system.
Connecting Cross-Sectional Data from the Red Sea to Plate Tectonics
Students will use map views and cross-sectional profiles across the Red Sea to determine plate tectonic processes in the region. Google Earth is a technological tool used to facilitate the investigation.
Physical and Chemical Variations Along the Central American Volcanic Arc
The Central American volcanic arc displays large arc-parallel variations in chemical composition that yield important clues concerning the complex origin of magmas in subduction zones. In this exercise, students use data compiled for the NSF MARGINS program to compare heights, volumes, and whole-rock compositions of 39 Quaternary volcanic centers along the Central American arc, together with crustal thicknesses, to assess the possible sources of the magmas and the petrologic processes that have modified them prior to eruption.
What Can (and Cannot) Be Learned from Scientific Drilling Using Examples from Margins Initiatives
This is a lecture segment that could be introduced to an introductory geoscience class to help explain and demonstrate what can and cannot be found out by scientific drilling.
Chemical Inputs and Outputs at Subduction Zones
In this exercise students utilize data from geochemistry databases to analyze inputs and outputs associated with arc volcanism.
Profiling Earth's Surface using GeoMapApp
In this exercise, students relate large-scale features on Earth's surface to lithospheric plates, the underlying asthenosphere, earthquakes, and volcanoes. After creating a cross section showing elevation using GeoMapApp, students add additional features by hand.
Historical Earthquakes and Uplift/Subsidence of Sumatra from Coral Growth Rings - Introductory Version
In this lab, students will use data from real corals collected in Sumatra to date historical earthquakes and to track the history of uplift and subsidence of the region over the past century.
Source to Sink Morphology, Sedimentation, and Anthropogenic Impact: Hudson System, New York
Familiarize students with the morphology of passive continental margins and their associated shelf valleys, submarine canyons and estuaries, and assess the anthropogenic impact.
Volcanoes of Central America
Volcano distribution and tectonics at a convergent margin: Central American volcanoes
Partitioning of thrust and strike/slip faulting in oblique subduction
Oblique subduction results in distinct sets of faults with either just thrust or mainly strike/slip motion and that back-arc thrust belts show little oblique strain compared to forearc areas.