The Astounding Geology of Namibia

Namibia Geology Is Another World

There are many interesting attributes that make up Africa. However, the Namibia geology and landscape is by far the most astounding. In certain locations within Namibia you will have the genuine feeling that you are on another planet. Possibly you have just emerged from a time machine into a prehistoric time period? 

Location of Namibia

First of all, you are probably wondering where Namibia actually is? Go to google maps and do a search for Namibia. You will see that it is in Southwest Africa and shares it’s borders with Angola to the North, then Zambia, Zimbabwe and Botswana the East, and South Africa to the South.

The Benguela Current

It is actually a phenomenon that occurs in the Atlantic Ocean which creates the unique Namibian landscape. This makes Namibia geology the most uniquely photographic and adventurous place on earth.

The Benguela current flows north up the Namibian Coastline from South Africa to Angola. The Benguela current is a cold water current that flows up from Antarctica. This ironically creates the climatic conditions that give birth to the oldest desert on earth. The cold water creates an air inversion over the coastline which makes cloud formation very difficult for long periods of time. In fact, in certain sections of the Namib it is estimated that it has not rained in over 20 years.

Sossusvlei Pan is Unique Namibia Geology

The cracking mud at Sossusvlei is a unique form of Namibia geology.

Colorful Namibia Geology Exists in the Namib Desert

These climatic conditions have existed for over 20 million years which makes the Namib the oldest desert on earth. The Namib Desert commences in the Northern Cape Province South Africa. It continues 2000 kilometers north up the Namibian coastline into South Angola. It then stretches approximately 170 kilometers inland and The Great Escarpment roughly forms its eastern border.

Giant Sand Dunes near Sossusvlei

Photo of the Giant Sand Dunes near Sossusvlei towering 375 meters above the Tsauchab River Valley. It is unique Namibia geology.

The Birth of Namibia Geology

The birth of Namibia geology was approximately 2500 million years ago. This is back when the only forms of life on earth were things such as bacteria and algae that lived beneath the ocean surface. The oxygen needed for higher forms of life was missing from the atmosphere. Geologically speaking lots and lots of fascinating things occurred during the subsequent 2000 million years. But to speed things along we are going to skip ahead to the formation of the Gondwana Continent which occurred about 550 million years ago.

The Gondwana continent was a connected landmass comprised of the present day continents of Africa, Australia, South America, Antarctica, Madagascar and India. When the continents came together in great collisions, the mashing and folding of the landscape caused the formation of mountains.

Ice Ages bring Glaciers to Namibia Geology

Then subsequently the glaciers came Northward from the Antarctic land mass that was now part of the Gondwana Continent. The mountain building and then glacial erosion had long lasting effects on the Namibian landscape. Then 120 million years ago the Gondwana Continent split apart. This gave the area stretching from the Atlantic Ocean to the eastern edge of the Namib Desert its geological characteristics.

Fish River Canyon is Unique Namibia Geology

Photo of the Fish River Canyon Rim. Glaciers played a significant role in the formation of the Fish River Canyon and other aspects of Namibia Geology.

Origins of Namibia’s Great Escarpment

When Gondwana split up, the South American continent broke away from Africa. The release of pressure caused the continental edge of Africa to rise upwards. The gentle downward slope to the east created the Kalahari Basin.The western edge of this great “bowl” is called the Great Escarpment.

From this western edge the slope is downwards to the west, until it reaches the edges of the Namib Desert. The landscape then flattens out until it meets the coastline and the Atlantic Ocean. The Great Escarpment is still a prominent feature of Namibia geology. This gives an important background to the areas of Namibia which I traveled through. 

During this time period, the break up of the Gondwana Continent also created a lot of volcanic activity. This activity also played a large role in the present day cosmetics of the Namibian landscape.

Sesriem Canyon is Part of Namibia Geology

The Sesriem Canyon is evidence of the immense forces of erosion unleashed by the formation of The Great Escarpment. The history of Namibia geology including prehistoric weather patterns can be read in the walls of the Sesriem Canyon.

Conclusion

My travels extended from the Fish River Canyon in the South to Etosha National Park in the North. Then Swakopmund, Sossusvlei and Luderitz in the West to Windhoek in the East. I traveled the entire area by 4X4 drive and stopped and visited many places in between which I have documented extensively here on this website.

 

 

Article Sources:
Namibia – Fascination of Geology
A Travel Handbook
Nicole Grunert