Tasa mobile apps
New for iOS Plate Tectonics Visual Glossary and Atlas app provides a comprehensive glossary of terms and definitions related to plate tectonics with visuals that include illustrations, animations, photos, and videos. This app encourages discovery by exploration of Earth's surface.
This video demonstrates the iPad version.
New Version This app dynamically shows the breakup of the supercontinent Pangaea and the positions of the continents over the last 200 million years on a 3D globe. Significant events are indicated on the globe at the time of the event. Tapping an event provides information about that event.
Puzzling Plates app inspires you to explore the large, tectonic plates that make up the surface of Earth. It includes three levels and scoring when exploring the topics of plate tectonics, maps, world geography, types of plates and plate boundaries, Earth's layered structure, motion at plate boundaries, causes of earthquakes and volcanoes.
New iOS Version This app displays the Geologic Time Scale for Earth's history and includes illustrations and information for events that have occurred during Earth's long history. The app also shows the names of the eons, eras, periods, epochs, and ages along with their corresponding dates.
Focus on Earthquakes app provides a comprehensive description of the causes and consequences of earthquakes. The EARTHQUAKE TRACKER feature provides a visual display of recent earthquake activity. Recent earthquake data is obtained from a USGS data feed and is updated every 5 minutes (requires an internet connection).
Folds and Faults app provides an illustrated overview of two significant topics in geology: folds and faults. Understanding folds and faults helps to explain how mountains form, how layers of rock change shape over time, and the underlying cause of earthquakes.
Earthquake Finder app displays recent earthquakes on a 3D (or 2D) map of the world. Simple, easy to use interface shows the most recent day's quakes upon start. Recent earthquake data is obtained from a USGS data feed and is updated every 5 minutes (requires an internet connection).
The Mineral Database app provides a quick reference of mineral data for students, educators, professionals, or anyone interested in minerals and makes mineral identification easy. This searchable database is easy to use. No internet connection is required.
Introduction to Rocks and Minerals is a bundle that introduces students to Earth's minerals, rocks, and the rock cycle. The two apps included in this bundle are Earth's Rocks and the Rock Cycle and How to Identify Minerals. Available for iPad.
This How to Identify Minerals app introduces students and teachers to Earth's minerals in an interactive guide that illustrates mineral identification techniques. The app includes practice mineral identification activities and a searchable database of more than 50 common minerals. Available for iPad, Mac OS X, and Windows 8.1.
With the Earth's Rocks and the Rock Cycle app learn how the rock cycle illustrates the geologic processes that change one type of rock into another. Use what you have learned about composition, texture, and color to identify rocks.
Arches National Park Geology Tour app provides an illustrated and narrated introduction to the geology of Arches National Park. Illustrations, animations, and photos by Dennis Tasa are narrated by geologist Deborah Ragland, Ph.D. of the University of New Mexico, Taos.
Grand Canyon National Park Geology Tour app is a narrated photographic tour of the South Rim of the Grand Canyon with an emphasis on the geology. Learn why the rocks display magnificent colors, find out how the interesting pinnacles and buttes formed, and study the different rock layers and their ages.
New Version This app displays the Geologic Time Scale that represents the timeline for Earth's history. This is an easy, quick way to get the names and numerical dates of each of the eons, eras, periods, epochs, and ages.
 
Mineral Database app YouTube video
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