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geotimescale enhanced
$0.99

This app displays the Geologic Time Scale that represents the timeline for Earth's history. The Geologic Time Scale shows the names of the eons, eras, periods, epochs, and ages along with their corresponding dates.

This enhanced version also includes illustrations and information for significant events that have occurred during Earth's long history. Illustrations by Dennis Tasa provide an artistic impression of how Earth may have appeared and how life may have evolved over time.

This app provides a quick reference for students, educators, professional geologists, or anyone interested in geology. It's easy to use. No internet connection is required. Ideal for field use.

geotimescale enhanced Mobile app
iPhone
iPad
Google
Amazon
Contact Tasa Mobile Apps
Requirements: iPhone or iPod touch (2nd generation), iOS 4.2 or later.
Click the screen to see other views.
Learn more about the for schools.

The primary view provides a quick reference showing the date range of each epoch.

Touching any info icon displays an illustration visually depicting an event related to that date.

Version 1.2
$0.99

Touching the "With Ages" button also includes the names and dates of the ages within each epoch.

Version 1.2
$0.99

Touch the "more info" icon in the upper right corner to read about them.

Version 1.2
$0.99

Find out, for example, when dinosaurs ruled the world.

Version 1.2
$0.99

See how invertebrates may have appeared when they dominated the sea.

Version 1.2
$0.99

Or, read about the "Age of Reptiles."

Version 1.2
$0.99
Click here for more information
Requirements: iPad, iOS 4.2
Click the screen to see other views.
Learn more about the for schools.

The primary view provides a quick reference showing the date range of each epoch.

Touching any info icon displays an illustration visually depicting an event related to that date.

Version 1.2
$0.99

Touching the "With Ages" button also includes the names and dates of the ages within each epoch.

Version 1.2
$0.99

Find out, for example, when dinosaurs ruled the world.

Version 1.2
$0.99

Touch the "more info" icon in the upper right corner to read about them.

Version 1.2
$0.99

See how invertebrates may have appeared when they dominated the sea.

Version 1.2
$0.99

Or, read about the "Age of Reptiles."

Version 1.2
$0.99
Click here for more information
Requirements: Android 2.2.x or later
Click the screen to see other views.

The primary view provides a quick reference showing the date range of each epoch.

Touching any info icon displays an illustration visually depicting an event related to that date.

Version 1.0
$0.99

Touching the "With Ages" button also includes the names and dates of the ages within each epoch.

Version 1.0
$0.99

Find out, for example, when dinosaurs ruled the world.

Version 1.0
$0.99

See how invertebrates may have appeared when they dominated the sea.

Version 1.0
$0.99

Or, read about the "Age of Reptiles."

Version 1.0
$0.99
Click here for more information
Requirements: Kindle Fire or later
Click the screen to see other views.

The primary view provides a quick reference showing the date range of each epoch.

Touching any info icon displays an illustration visually depicting an event related to that date.

Version 1.0
$0.99

Touching the "With Ages" button also includes the names and dates of the ages within each epoch.

Version 1.0
$0.99

Find out, for example, when dinosaurs ruled the world.

Version 1.0
$0.99

See how invertebrates may have appeared when they dominated the sea.

Version 1.0
$0.99

Or, read about the "Age of Reptiles."

Version 1.0
$0.99
Click here for more information