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MARGINS Mini-lesson Collection


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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.

Are You in a Hotspot?
This activity is a PowerPoint module designed to help students differentiate hotspot island chains from volcanic island arc systems. Using map images, students are asked to describe and differentiate the topography and geologic features of the two tectonic settings.

Tracing sediment provenance from source to sink: Isotope records in the Bay of Bengal and Indonesia
In this exercise students examine data from a geochemical database to understand the link between source rocks and sedimentary deposits in the ocean, focusing on the Bay of Bengal in the context of the MARGINS Source-to-Sink initiative and contrasting these data with those offshore of Indonesia. This activity utilizes the online geochemical database SedDB, GeoMapAPP, and Excel.

What does "spatial resolution" mean? Some answers using MARGINS data.
The main objective of this presentation is to understand the concept of spatial resolution by looking at the concepts of point, grid and pixel.

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