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Article Review
East Africa’s Great Rift Valley System

Traci Lee

PHSC 210
Dr. Ladner
February 15, 2014

East Africa’s Great Rift Valley:
Overview:
The article starts out by telling us that the East Africa Rift is one of the geologic wonders of the world. There are old plates splitting apart and creating new plates in the earth’s surface. Geologists have already named these new plates to be the “Nubian Plate” which the article says makes up most of Africa and the “Somalian Plate”. The article tells us that these two plates are moving away from the Arabian plate. These three plates come together in Ethiopia and this is called a “triple-junction”. Although the article does give some description of the rifts and attempts to explain them, it does note that there is still an ongoing debate among geologists.
Article Strengths:
This article does go into some detail explaining what the rifts are or what the authors theorize the rifts are, meaning how they think the rifts were formed. The article also states the names of the rifts and explains that where the three meet that is known as “triple junction” and explains to the readers where the rifts are located. As a whole the author’s explanations of things are clear. Article Weakness:
Although the article does go into some detail about what the East African Rift Valley is and it does give some mention as to what causes the rifts, the article could have given a better in depth description of exactly how the rifts formed. For example, the authors mention the hot spots and the bulges underneath the earth but they do not go in to detail on what those things have to do with causing the cracks. It is almost as if they are putting that in there as forethought, just in case someone brings those particular details in. If the authors would have explained how those play in to it, it may give the article a little more credibility or at the least helped better explain the chain of things.
Conclusion:
The East African Rift System is a series of fractures in the earth’s surface and over time these fractures continue to widen, and although scientists have given their theories on what causes these rifts, they are still theories. After reading the article and as amazing as these natural occurrences are, it is clear that there is still room for more research that can be done on this amazing process that happens right underneath our earth.

Reference:
Wood, J., and Guth, A., (2005) East Africa’s Great Rift Valley: A Complex Rift System.

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