Dendritic ridge: Inside a average tableland terrain, the stream drain vale might leave intervening ridges. Which are actually out and away a usual ridges. These ridges normally represent slightly harder rock, but not universally -- it're typically just due to a fact that there were big joint spaces in which the vale formed, or even more risk occurrences. This nature and severity of ridge is usually somewhat random around orientation, typically changing counsel typically, often using knobs at intervals on the ridge top.

Stratigraphic ridge: In situ like a Ridge-and-valley Appalachians, super hanker, super potentially, very straight ridges come formed due to the fact that it're a uneroded left edges of the supplementary resistive strata that were folded laterally. Similar ridges use at times formed in situ like a Black Hills, where a ridges form homocentric circle round a igneous core. Every now and again these ridges come known as "hogback ridges".

Oceanic spreading ridge: Within tectonic spreading zones around a world, like at the Mid-Atlantic Ridge, a volcanic activity forming recently shell boundary forms volcanic ridges at the disseminating zone. Isostatic subsiding & erosion step by step reduce a elevations moving out of a zone.

Crater ridges: Big meteorite strikes typically form big impact craters bordered by circular ridges.

Volcanic caldera ridges: Big volcanoes often leave collapsed central calderas that are bordered by round ridges.

Reverse fault ridges: Thrust faults often form escarpments. Occasionally a tops of a escarpments form non tableland, however slope back and so that the edges of the escarpments form ridges.

Dune ridges: Inside areas of big-shell dune activity, certawithin types of dunes effect in sand ridges.

Moraines & eskers: Glacial activity may leave ridges in the form of moraines and eskers.