2,803
edits
Changes
Jump to navigation
Jump to search
Line 129:
Line 129: − +
→Choice of datum
===Choice of datum===
===Choice of datum===
For a structure cross section, the datum is sea level, with data plotted above or below that point according to its present position (see Figure 1b).
For a structure cross section, the datum is sea level, with data plotted above or below that point according to its present position (see [[:file:geological-cross-sections_fig1.png|Figure 1b]]).
===Orientation and layout of a cross section===
===Orientation and layout of a cross section===