A geological map is a special-variety map created to show geological features. Rock formation is shown by thematic (color) or symbols to indicate surface coverage. Structural elements are shown with strike and dip symbols which consist of a long line, a number, and a short line which are used to indicate tilted (Deskew) beds. The long line is the strike line, which shows the true horizontal direction along the bed, the number is the dip or number of degrees of tilt above horizontal, and the short line is the dip …

GIS though termed as a tool for mapping and analyzing things that exist in and around us. Is it fully explored to have better information on its existence and importance?

This is not simply a criticism but it is just a pointing out how people are careless in their responsibilities. This blog entry is just to note a mistake in W3C standards page.