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Geologic time scale


The geological time scale (GTS) is a system of chronological measurement that relates stratigraphy to time, and is used by geologists, paleontologists, and other  ...

Geologic time scale - University of California Museum of Paleontology


Geologic time scale with links for each time interval.

Geological Society of America - Geologic Time Scale


Note that the compilers are still accepting comments on the overall content of time scale. Offer your comments or join in the discussion on GSA's Facebook page.

Geologic Time - EnchantedLearning.com


The first geologic time scale was proposed in 1913 by the British geologist Arthur Holmes (1890 - 1965). This was soon after the discovery of radioactivity, and ...

GSA's geologic time scale - Geological Society of America


Walker, J.D., Geissman, J.W., Bowring, S.A., and Babcock, L.E., compilers, 2012, Geologic Time Scale v. 4.0: Geological Society of America, doi: 10.1130/2012.

Geologic Time Scale - Geological Time Line - Geology.com


Printable Geologic Time Scale - Geologcial Time Line from Geology.com.

Geologic Time: The Story of a Changing Earth


LOADING... THE STORY OF A. GEOLOGIC TIME. CHANGING EARTH. Presented by the Department of Paleobiology. Eon. Era. Period. Epoch. 460. 920. 1380.

Prehistoric Time Line, Geologic Time Scale, Photos, Facts, Maps ...


Humans have walked the Earth for 190,000 years, a mere blip in Earth's 4.5- billion-year history. A lot has happened in that time. Earth formed and oxygen levels ...

Geologic and Biological Timeline of the Earth - ScientificPsychic.com


Biological and Geologic Timeline of the Earth. The origin of the Earth and the Moon. The evolution of life on Earth.



Time (Myr ago), Event. 4600, Formation of the approximately homogeneous solid Earth by planetesimal accretion. 4300, Melting of the Earth due to radioactive ...

Popular Q&A
Q: What is geological timeline.
A: how long ago each era was: helps date things. best shown in this pic. http://www.gonediggin.com/geological_time_scale.gif. Read More »
Source: www.answers.com
Q: What are the eras on the geological timeline.
A: The eras on the geological time line are: Cenozoic Era, Mesozoic Era, Paleozoic Era, Proterozoic Era, Archaean and Hadean.! Read More »
Source: www.chacha.com
Q: What is a basic geologic timeline of the Phanerozoic?
A: Formation of Pangea c 250 million years ago at end of Permian. Breakup of pangea by late mesozoic. Laramide revolution of period of extensive mountain building,... Read More »
Source: answers.yahoo.com
Q: How do I Build a Geologic Timeline on the Computer?
A: 1. Open a new word processing document. 2. Click on "Insert" from the toolbar located at the top of the window and select "Quick Tables" from the drop-down menu... Read More »
Source: www.ehow.com
Q: When did the arctic for appear on the geologic timeline?
A: 1222. Read More »
Source: wiki.answers.com