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What is the bottom of the Sahara desert like? Like underneath the sand, what condition is the bedrock in?

Olivia Thompson Olivia Thompson Nov 14, 2019 · 1 min read
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The Sahara desert, located in North Africa, is known for its vast sand dunes and arid climate. It covers an area of approximately 9.2 million square kilometers and is the largest hot desert in the world. But what lies beneath the seemingly endless sand?

The bottom of the Sahara desert is largely made up of bedrock, which is the solid, unweathered rock that lies beneath the soil and sand. Bedrock can be composed of various types of rock, including granite, sandstone, and limestone. These rocks were formed millions of years ago and have been exposed over time due to erosion.

The bedrock of the Sahara desert is generally hard and compact, as it has been subjected to wind and water erosion for millions of years. This has caused the rock to be shaped into smooth, rounded, and sometimes even sharp forms. The bedrock is also often deeply fractured, which can create crevices and canyons.

One of the most common types of bedrock found in the Sahara desert is sandstone, which is formed from compressed sand. Sandstone has distinctive layers that can vary in color due to the presence of minerals. These layers also have a significant impact on the formation of sand dunes.

Another important feature of the bedrock in the Sahara desert is the presence of underground water sources. These sources are often found in the form of aquifers, which are pockets of water trapped in porous rock formations. The presence of these aquifers is vital for the survival of plants and animals in the desert, as they provide a source of water in an otherwise harsh and dry environment.

In summary, the bottom of the Sahara desert is largely composed of hard and compact bedrock, shaped by millions of years of erosion from wind and water. It is home to various types of rock formations, including sandstone, and contains underground water sources that are vital for survival in the desert. While it may seem barren and lifeless on the surface, the bedrock of the Sahara desert is full of hidden wonders waiting to be explored.

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Olivia Thompson
Written by Olivia Thompson
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