Earth Continental Geology and Sea-Floor Physiography Maps for Google Earth (KMZ and KML files)

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

The Earth_continental geology by Era kmz file (802KB) 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.

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.