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.
A third type of cross section called a balanced cross section is a combination of these two. This type attempts to portray the form of geological units prior to some episode of deformation (see Evaluating structurally complex reservoirs).