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==How to Measure Strike==  
 
==How to Measure Strike==  
To measure strike of rock we can used Brunton Compass. The steps are:
+
To measure strike of rock we can used Brunton compass. The steps are:
 
# Place the bottom EDGE of the compass flat against the plane of interest. (The direction of sighting armature follow the direction of strike)  
 
# Place the bottom EDGE of the compass flat against the plane of interest. (The direction of sighting armature follow the direction of strike)  
 
# Adjust the compass orientation, making sure the bottom edge is always flat against the plane (Sometimes it is easier to put your field book against the outcrop and then the compass against the book to get a smoother and/or a larger surface), until the air bubble in the "Bull's eye level" is centered.  
 
# Adjust the compass orientation, making sure the bottom edge is always flat against the plane (Sometimes it is easier to put your field book against the outcrop and then the compass against the book to get a smoother and/or a larger surface), until the air bubble in the "Bull's eye level" is centered.  

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