The Crater Highlands (Ngorongoro Highlands) are a

geological Geology () is a branch of natural science concerned with Earth and other astronomical objects, the features or rocks of which it is composed, and the processes by which they change over time. Modern geology significantly overlaps all other E ...

region along the East African Rift in the

Arusha Region Arusha City is a Tanzanian city and the regional capital of the Arusha Region, with a population of 416,442 plus 323,198 in the surrounding Arusha District Council (2012 census). Located below Mount Meru on the eastern edge of the eastern ...

and parts of northern

Manyara Region Manyara Region (''Mkoa wa Manyara'' in Swahili) is one of Tanzania's 31 administrative regions. The regional capital is the town of Babati. According to the 2012 national census, the region had a population of 1,425,131, which was lower than th ...

in north

Tanzania Tanzania (; ), officially the United Republic of Tanzania ( sw, Jamhuri ya Muungano wa Tanzania), is a country in East Africa within the African Great Lakes region. It borders Uganda to the north; Kenya to the northeast; Comoro Islands ...

Geology

The highlands are located in a spreading zone at the intersection of branches of two

tectonic plate Plate tectonics (from the la, label=Late Latin, tectonicus, from the grc, τεκτονικός, lit=pertaining to building) is the generally accepted scientific theory that considers the Earth's lithosphere to comprise a number of large te ...

s, the

African Plate The African Plate is a major tectonic plate that includes much of the continent of Africa (except for its easternmost part) and the adjacent oceanic crust to the west and south. It is bounded by the North American Plate and South American Plate ...

and

Somali Plate The Somali Plate is a minor tectonic plate which straddles the Equator in the Eastern Hemisphere. It is currently in the process of separating from the African Plate along the East African Rift Valley. It is approximately centered on the isl ...

, resulting in distinctive and prominent landforms. The highlands are named for the many craters and

caldera A caldera ( ) is a large cauldron-like hollow that forms shortly after the emptying of a magma chamber in a volcano eruption. When large volumes of magma are erupted over a short time, structural support for the rock above the magma chamber is ...

s present. As is common in spreading zones,

volcano A volcano is a rupture in the Crust (geology), crust of a Planet#Planetary-mass objects, planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and volcanic gas, gases to escape from a magma chamber below the surface. On Ear ...

es can be found here.

Magma Magma () is the molten or semi-molten natural material from which all igneous rocks are formed. Magma is found beneath the surface of the Earth, and evidence of magmatism has also been discovered on other terrestrial planets and some natural sa ...

, rising to fill the gaps, reaches the surface and builds cones. Calderas form if a volcano explodes or collapses, following the emptying of the magma chamber below, and further spreading can fracture the volcanoes as well.

Geography

The following are considered to be within the Crater Highlands: *

Ela Naibori Crater Ela or ELA may refer to: Companies and organizations * Basque Workers' Solidarity (Basque: '), a trade union * Earth Liberation Army * ELA Aviación, a Spanish aircraft manufacturer * English Lacrosse Association * Equatorial Launch Australia ...

* Gelai Mountain * Kitumbeine Mountain *

Lake Eyasi Lake Eyasi (formerly german: Njarasasee, "Njarasa Lake", and ''Hohenlohesee'', "Hohenlohe Lake") is a lake located in Karatu District of Arusha Region in north Tanzania. Lake Eyasi is the largest body of water in Arusha region. It is a seasonal ...

* Meto Hills *

Mount Loolmalasin Mount Loolmalasin (sometimes spelled "Loolmalassin") is a mountain located in the Ngorongoro District of the Arusha Region, Tanzania. It has a peak elevation of above sea level. It is, after Mount Kilimanjaro and Mount Meru, the third-highest m ...

Ngorongoro Crater The Ngorongoro Conservation Area (, ) is a protected area and a UNESCO World Heritage Site located in Ngorongoro District, west of Arusha City in Arusha Region, within the Crater Highlands geological area of northern Tanzania. The area is na ...

Visiting the Crater Highlands

There are variety of scenic walks and hikes requiring various fitness levels, as well as trips to the famous

, as well as visits to local villages.

References

Geography of Arusha Region Geography of Manyara Region Geology of Tanzania Great Rift Valley Highlands Landforms of Tanzania Volcanoes of Tanzania {{Tanzania-geo-stub

Geology

Geography

Visiting the Crater Highlands

See also

References