Figure 16.
First-generation axial planar cleavage (S
c
) cut by crenulation cleavage (S
cc
) in metabasalt of the Catoctin Formation near Loudoun Heights Trail on Blue Ridge.
A
, Stick is 1 m long.
B
, Rock hammer handle is 15 cm long.
U.S. Geological Survey
,
U.S. Department of the Interior
This page is https://pubs.usgs.gov/bulletin/b2123/figure16.html
Contact:
Scott Southworth
Last modified 08.29.00