Providing and implementing tools and technology for understanding the dynamic Earth
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DLD for iPhone®, iPad®, and iPod Touch®

Experience the Devonian Lithological Database on the go! In the field, office, classroom, or even conferences! DLD for iOS® is a simplified interface to the database. Learn more about the Devonian Lithological Database.

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Overview Map

Using Apple Maps, Google Maps, or OpenStreetMaps (depending on iOS® version and connectivity), get an overview of the distribution of Devonian rock contained in the database.

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Close-Up Overview Map

When close-in, individual localities within the database will appear as pins. Each pin represents one or more Devonian rock unit.

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Tap on Pin

Tapping on a pin gives the most basic record information for the locality.

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Tap the Arrow

Tapping the arrow on the pin's quick data opens the detailed listing for the locality, including coordinates and what rock units are present.

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Tap the Rock Unit

When you tap on a rock unit in the locality view, you are provided with the detailed information for that rock unit, including name, age, rock types present, thickness, and original source.

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Time-Scale Control

Use the time-scale control to limit what data are shown. The control shows only the data that overlap the age shown in the control.