Every institution has a different process and sets different standards for tenure. It is even possible that these standards and processes change while you are in the midst of the tenuring process, as administrations change, or as the field of study changes.
Many institutions have adopted the three-legged stool approach of faculty assessment—teaching, service, scholarship. Some places expect all legs to be of equal length. Others may assign one leg more importance than the others.
There is also the process the institution goes through to assess your accomplishments. Some require the a