3.Next

A triple junction is the point where the boundaries of three tectonic plates meet. At the triple junction each of the three boundaries will be one of three types - a ridge (R), trench (T) or transform fault (F) - and triple junctions can be described according to the types of plate margin that meet at them (e.g. fault-fault-trench, ridge-ridge-ridge, or abbreviated F-F-T,

3.Next