Nov. 14, 2011 -- Mini strokes, with symptoms that last just a few minutes or hours, are well-recognized warning signs for potentially deadly larger strokes. Now new research confirms that they are associated with a lower life expectancy.
A cross section is the shape we get when cutting straight through an object. The cross section of this object is a triangle. It is like a view into the inside of something made by cutting through it.
1 Structural cross sections, which show the present day geometry of an area.  Stratigraphic cross sections, which show prior geometric relationships by adjusting the elevation of geological units to some chosen geological horizon (Figure 1).