U.S. Geological Survey: Science for a Changing World - USGS visual identifier and link to main Web site at http://www.usgs.gov/

Photograph of block of weakly gneissic coarse-grained diorite from an outcrop near Whiteville, Cumberland County, Va.
 
Figure 9. Photograph of block of weakly gneissic coarse-grained diorite from an outcrop near Whiteville, Cumberland County, Va. Lens cap is 4.5 cm (1.75 in) in diameter.

U.S. Department of the Interior, U.S. Geological Survey
URL: http:// pubs.usgs.gov /circ/2004/1264/html/trip7/fig9.html
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