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 rocks along Difficult Run, Stop 5, looking north at east-dipping foliated rocks. For a more detailed explanation, contact Michael Kunk at mkunk@usgs.gov.
 
Figure 12. Photograph of rocks along Difficult Run, Stop 5, looking north at east-dipping foliated rocks. The person is standing on Ordovician Bear Island Granodiorite (Ob) (east dipping) which intrudes both amphibolite (Ca) and migmatitic schist of the Mather Gorge Formation (CZmm). Man's foot is 28 cm long.

U.S. Department of the Interior, U.S. Geological Survey
URL: https:// pubs.usgs.gov /circ/2004/1264/html/trip5/fig12.html
For more information, contact Michael Kunk
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