Image:North america rock plutonic.jpg

From Wikipedia, the free encyclopedia

Wikimedia Commons logo This is a file from the Wikimedia Commons. The description on its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Four maps show the North American distribution of four principal types of rock: sedimentary, volcanic, plutonic and metamorphic rock.

Metamorphic rock

Plutonic rock

Sedimentary rock

Volcanic rock

North American terrain

North American rock types

Source

North America Tapestry of Time and Terrain. (USGS,GSC,COREMI)
North America Tapestry of Time and Terrain. ( USGS, GSC, COREMI)

Home: http://pubs.usgs.gov/imap/i2781/

Image: http://pubs.usgs.gov/imap/i2781/i2781_c_low.pdf 144 dpi, encoded to 72 dpi JPEG, compressed slightly to fit within Wikipedia 2MB limit.

Source: English Wikipedia, original upload 15 April 2005 by SEWilco

Public domain This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy

File history

Click on a date/time to view the file as it appeared at that time.

Date/Time Dimensions User Comment
current 16:16, 16 September 2005 644×526 (158 KB) Saperaud (Four maps show the North American distribution of four principal types of rock: sedimentary, volcanic, plutonic and metamorphic rock. <gallery> Image:North america rock metamorphic.jpg|)
The following pages on Schools Wikipedia link to this image (list may be incomplete):
Retrieved from "http://en.wikipedia.org/wiki/Image:North_america_rock_plutonic.jpg"
The 2008 Wikipedia for Schools has a sponsor: SOS Children , and consists of a hand selection from the English Wikipedia articles with only minor deletions (see www.wikipedia.org for details of authors and sources). See also our Disclaimer.