Earth Continental Geology by Era and Sea-Floor Physiography for Google Earth

The Earth_continental geology by Era 032014.kmz file (288KB) references a set of tiled GIF imagery
representing Earths continental geology colored by geological era and grayshade sea-floor imagery
compiled by the US Geological Survey. The KMZ file loads 12 images (shown below) into Google Earth
to produce a seamless, world coverage of continental geology by Era (except for those few areas lacking
coverage)
.
The set of images totals 5.53 MB.

World Geology by Era and Sea-Floor Physiography

EXPLANATION OF COLORS USED FOR CONTINENTAL AREAS ONLY

Geology by Era legend

Yellow- Cretaceous, Green - Mesozoic, Pink - Paleozoic, Dark Gray - Precambrian
Orange - unknown age, including undated intrusive and volcanic igneous rocks.

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Individual tiles can be dowlnloaded and viewed as text files, then saved as KML files to be loaded
individually (see instructions below).

World Continental Geology by Era and Sea-Floor Physiography

Instructions:

1. Click on an image above to access the associated *.txt file.
2. Save the file to your desktop or a folder.
3. Rename the .txt filename extension to .kml.
3. Open the kml file in Google Earth.

Notes:

* Maps are generated at the 1:30 million scale from shapefiles obtained from the
US Geological Survey
and the Geological Survey of Canada.
* World physiography from the US Geological Survey.

www.impacttectonics.org. rev 03/2014