The Difference Between Geologic Time & a Geologic Rock Column?

Answer Geologic history is studied primarily through stratigraphic columns along with the help of the geologic time scale. Stratigraphy has allowed geologists to discover the information necessary to the ... Read More »

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How to Interpret Geologic Rock Diagrams?

Geologists, amateur rock hounds and Earth Sciences students all need to use and interpret a variety of geologic charts, graphs, maps and cross sectional diagrams. The making and interpretation of t... Read More »

Web Activities on Geologic Time?

Geologic timeline activities can be found for free on the Web. Interactive games that test players' knowledge of eras, eons, periods and epochs are available, as are online tutorials, virtual flash... Read More »

How to Calculate Your Geologic Birthday?

You may be used to celebrating your birthday each year, but you may not be aware that you also have a geologic birthday. Your geologic birthday is tied to the approximate age of the planet. The Ear... Read More »

Components of the Geologic Timetable?

As far back as 1669, Nicolaus Steno began observing the characteristics of the time/location relationship between layers of sedimentary rock. His basic thinking was that sedimentary rocks were laid... Read More »