Digital World Tectonic Activity Map (DTAM)

Jacob Yates, NASA/Goddard Space Flight Center

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This visualization tool aids researchers and educators in understanding the tectonic activity of our planet for the past 1 million years. DTAM is a Geographical Information System (GIS) that displays a realistic synoptic view of present global tectonism by filling in the cartographic gap between conventional geological maps and plate reconstruction maps. This integrative technique provides a new and unique visualization tool that presents an actual representational view of global tectonics rather than the traditional schematic illustrations (i.e. plate maps) of the past. The map is a Robinson projection showing: actively spreading ridges and transform faults, total spreading rate, major active faults and fault zones, normal faults and rifts, reverse faults (overthrust, subduction zones), and volcanic centers.

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Subject: Geoscience:Geology:Structural Geology:Geophysics and Structural Geology, Geoscience:Geology:Structural Geology, Tectonics, Structural Geology:Regional Structural/Tectonic Activity, Geoscience:Geology:Geophysics:Geodesy
Resource Type: Datasets and Tools:Datasets, Audio/Visual:Maps
Grade Level: College Upper (15-16), College Lower (13-14), Graduate/Professional
Data Derived: Data Derived
Data Source: Observational Data
Science Background Required: Basic scientific background required
Topics: Human Dimensions/Resources, Solid Earth:Structural Geology, Structural Geology:Regional Structural/Tectonic Activity, Geophysics and Structural Geology/Earthquakes/Seismic Reflection Profiling