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Geology of Serengeti National Park

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    The Geology of Serengeti ecosystem comprises a high interior plateau, rendering picturesque sceneries of stunning landscapes and wildlife!

    It drops from its highest domains in the highlands of craters at an altitude of 3,636 meters towards the Speke Gulf on Lake Victoria at 920 meters above sea level.

    The Geology of Serengeti highlands are the outcome of the volcanic activity related to plate tectonics of the Gregory Rift valley. The site still has one active volcano—the Ol Doinyo Lengai—meaning ‘Mountain of God’ in the local Maasai language.

    In this article, you’re going to learn all about the Geology of Serengeti National Park’s geology, including the infamous word; Kopje, soil and volcanic history, mountains and hills, the Serengeti rivers, and more!

    Geology of Serengeti: Kopjes - historic rocks

    Geology of Serengeti

    Kopjes—pronounced as kop-eez, are ancient crystalline rocks that spurs through recent soils and rocks’ surfaces. These stones give rise to the black clay soils—which are impossible to drive over, including the granite gneiss (eyes) to the light-colored sandy soils.

    You can find these old rocks beneath the layers of volcanic ash and rocks, which form the soil of Serengeti National Park. A giant liquid granite bubble has forced its way up from the molten rock below the crust of the Earth and into the Tanganyika Shield in the late Precambrian period.

    The granite is broken by the repeated cooling and heating under the African sun and weathered into fascinating shapes by the wind. Most Kopjes possess round boulders on them or are round themselves.

    Kopjes are frequently referred to as islands in a sea of grass and are the most distinctive components of the Serengeti National Park’s landscape. So be sure to call them that when cruising the African plains of the Serengeti.

    Furthermore, these ancient stones serve as home to many wildlife species, such as lions, cheetahs, leopards, and more which can be found lazing on top of them, giving them a better view of the surroundings.

    Geology of Serengeti: Soils and volcanic history of the Serengeti

    soils-and-volcanic-history

    An interesting part of the geology of Serengeti national park is its soil and volcanic history. To start, Africa is such an old continent. According to a source, it’s been called the Mother of all Continents, as it is the oldest occupied continent—much older than Europe and North America.

    You can have a good view of this as you arrive at the Kilimanjaro International Airport.

    Furthermore, due to the millions of years of weathering, the mountains have flattened and turned Africa into a string of endless rolling hills and Serengeti plains—except for the East African rift system.

    The East African Rift is the site wherein two tectonic plates move away from each other, resulting in cracks and creating both the Rift Valley and the volcanoes on each side of it. These volcanoes are relatively young and have erupted, covering the eastern plains of the Serengeti national park with volcanic ash and other large particles.

    Mount Kilimanjaro, Mount Meru, and Mount Kenya are some of the best representatives of the rift volcanoes. Although the Ngorongoro crater seems like an extinct volcano, the Tanzanian geological survey stated that it never exploded, unlike its neighbours.

    The volcanic ash that erupted in the Serengeti plains created nutrient-rich soils containing sodium, calcium, potassium, and varied salt types. The soil here is shallow, forming a calcareous hardpan known as caliche.

    During the regional rainfall patterns, the salts drift off and wash down into the soil. The soil in the Serengeti national park then gets deeper where the hardpan disappears into the woodlands and northern Tanzania plains due to more rain and less calcium.

    Geology of Serengeti: Mountains and hills of the Serengeti

    Geology of Serengeti: Mountian and Hills

    The Serengeti plains reveal a prominent westward slope, with decreasing elevations at approximately 1,850 meters near the Ngorongoro highlands and less than 1,000 meters to Lake Victoria—the only permanently flowing river in the ecosystem of Serengeti. Nevertheless, bands of hills are arising steeply from this moderately flat landscape.

    One band constitutes the north-eastern Serengeti boundary in the woodlands, going north from Grumechen to Kuko, then merging at the Loita Hills in Kenya. The Gol Mountains grow from the Serengeti plains’ east park.

    However, the most notable landforms are linked with the East African Rift System or EARS—particularly the eastern branch or the Gregory Rift, a fairly recent geological phenomenon comprising intensive volcanism.

    The Gregory Rift Valley is a narrow, linear, down-faulted component fringed by massive ridges with chains of primarily shallow, ribbon-shaped, alkaline lakes.

    Geology of Serengeti: The Serengeti rivers

    The Serengeti Rivers

    The Geology of Serengeti comprises vast plains which are between 1,600 and 1,800 meters above sea level with several surrounding rivers. The Serengeti rivers are famous for their wildebeest crossing the rocky river beds during the great migration—which is a fantastic sight to behold.

    The Mara River, for example, flows in the north from the Mau forests into the Kenyan highlands, then southwards through the Masai Mara, and next to west through northern Serengeti and then out through the great Masarua Marshes, and finally into Lake Victoria at Musoma.

    It sustains the lush riverine forests on its banks in the Mara and its significant branches in Serengeti. Parallel catchments of the Grumeti and Mbalaget Rivers can also be found South of Mara, forming the Serengeti National Park’s western corridor.

    Furthermore, the smaller Duma, Semu, and Simiyu rivers also flow further south through the Maswa Game Reserve.

    Serengeti habitat andlandscape

    The material under the earth in Serengeti is comprised of volcanic soils, which means that the soil nutrient levels here are high. This has led to high soil fertility and is said to be a major contributor to the grassland plains.

    Another reason why wildlife can thrive here in these harsh conditions.

    Why does the Serengeti have no trees?

    The hard layers of volcanic material and sedimentary rocks prevent trees from thriving throughout the soil.

    That being said, there are a number of trees famous in Tanzania. To learn more about them click here.

    What is special about Serengeti National Park

    Serengeti is home to The Great Wildebeest Migration, an annual migration that consists of hundreds of thousands of wildebeest herds who move through Tanzania in search of fresh water and food.

    How are kopjes formed?

    Kopjes are formed when the granite layers are exposed after the layers of ash and volcanic soil are removed from an area within Serengeti. Kopjes are one of the distinctive geological features of Serengeti and the granite layers date back over 450 million years ago.

    What is the biodiversity of the Serengeti?

    Serengeti has a large biological diversity and is abundant in wildlife. There are at least four endangered animal species within this Tanzania national park, including the black rhino.

    You can learn more about the animals in the Serengeti here.

    Getting you there

    The national parks, reserves, and conservation sites of central and Southern Kenya and Northern Tanzania reveal an expansive range of geological terranes with distinctive features that will blow your mind.

    The regional plateaus are also typical of East Africa, like the Serengeti and Tsavo Plains, underlain by some of the oldest stones on Earth.

    If you’re planning to explore the endless plains of Serengeti and its geology yourself, you can book a trip with Easy Travel today! We can help craft an ideal tour for you so you’ll be able to witness the incomparable beauty of the wooded savannas and witness the migration of a whopping two million grazers influenced mainly by rainfall patterns, without the heavy planning on your part.

    However, it’s best to note that the vast herds that concentrate for a pivotal period in the relatively arid eastern plains respond to recent geological events. Hence, it’s best to see them as soon as you can to experience and see the incredible Serengeti with your own eyes! Contact us today to start planning your experience of a lifetime.