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Geologic time scale

en.wikipedia.org/wiki/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

www.ucmp.berkeley.edu/help/timeform.php

Geologic time scale with links for each time interval.

ICS - Chart/Time Scale - International Commission on Stratigraphy

www.stratigraphy.org/index.php/ics-chart-timescale

Chart. Click here (PDF or JPG) to download the latest version (v2016/04) of the International Chronostratigraphic Chart. The explanatory article was published in  ...

Geologic Time Scale - Geological Time Line - Geology.com

geology.com/time.htm

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

Geological time scale - HyperPhysics

hyperphysics.phy-astr.gsu.edu/hbase/geophys/geotime.html

Geological time scale. The vast expanse of geological time has been separated into eras, periods, and epochs. The numbers included below refer to the ...

The Earth's Geologic Time Scale Eons Eras Periods Epoch Life

www.rocksinmyheadtoo.com/TimeLine.htm

Earth Earth's Geologic Geological Time Scale Line Eon Era Period Epoch Life Forms Eons Eras Periods Epochs MYA Paleozoic Mesozoic Cenozoic Modern ...

What is Geologic Time? - U.S. Geological Survey

geomaps.wr.usgs.gov/parks/gtime/

Oct 3, 2014 ... Piece by piece, geologists constructed a geologic time scale, using increasingly more sophisticated methods for dating rock formations.

Earth Floor: Geologic Time - NASA Classroom of the Future

www.cotf.edu/ete/modules/msese/earthsysflr/geotime.html

There's good old Mother Earth. Say, did you ever wonder about all of the things that have ever happened on Earth and how old it really is? As it turns out, Mother  ...

Divisions of Geologic Time— Major Chronostratigraphic - USGS ...

pubs.usgs.gov/fs/2007/3015/fs2007-3015.pdf

Effective communication in the geosciences requires consistent uses of stratigraphic nomenclature, especially divisions of geologic time. A geologic time scale is ...

New Zealand's Geological Timescale / Online Resources / Fossils ...

www.gns.cri.nz/Home/Our-Science/Earth-Science/Fossils/Online-Resources/New-Zealand-s-Geological-Timescale

Our research has resulted in the establishment of the first fully integrated, comprehensive geological timescale for New Zealand, from Cambrian to Holocene.

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Geological Society of America - Geologic Time Scale

www.geosociety.org

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.

GSA Geologic Time Scale - Geological Society of America

www.geosociety.org

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 - EnchantedLearning.com

www.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 ...