Planar Polarity Code
<p>This scheme describes terms that specify the facing of planar geologic features (eg, upright, overturned), as defined by the IUGS Commission for Geoscience Information (CGI) Geoscience Terminology Working Group. By extension, this vocabulary includes all concepts in this conceptScheme, as well as concepts in any previous versions of the scheme.</p>
vertical
overturned
upright