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When the lithosphere is subject to a horizontal extensional force it will stretch, becoming thinner. Eventually, it will rupture, leading to the formation of a rift valley.This process is accompanied by surface manifestations along the rift valley in the form of volcanism and seismic activity. Rifts are the initial stage of a continental break-up and, if successful, can lead to the formation of a new ocean basin.An example of a place on Earth where this has happened is the South Atlantic ocean, which resulted from the break up of South America and Africa around 138m years ago -- ever noticed how their coastlines match like pieces of the same puzzle?Continental rifting requires the existence of extensional forces great enough to break the lithosphere. The East African Rift is described as an active type of rift, in which the source of these stresses lies in the circulation of the underlying mantle. Beneath this rift, the rise of a large mantle plume is doming the lithosphere upwards, causing it to weaken as a result of the increase in temperature, undergo stretching and breaking by faulting.Evidence for the existence of this hotter-than-normal mantle plume has been found in geophysical data and is often referred to as the "African Superswell."This superplume is not only a widely accepted source of the pull-apart forces that are resulting in the formation of the rift valley but has also been used to explain the anomalously high topography of the Southern and Eastern African Plateaus. 1506

Where you’re planning to buy your home can play a role in what kind of loan is best for you. FHA and conventional loan guidelines allow wide latitude for borrowers in expensive areas, but in some cases you may end up needing a jumbo loan, which is bigger than FHA or conventional limits. 297

When Jerris and the Banners compared notes, they came to a head-shaking conclusion: the woman was using the boy to scout out targets for a break-in."When you see a boy who seems lost, you let your guard down," said Jerris.The families called deputies but couldn't file a report because a crime had not been committed. If you have any information, email 10news at Tips@10news.com. 379

Zarnow and another deputy soon spotted Ibarra, who matched the description of the assailant, near a stretch of train tracks beneath an elevated section of Via de la Valle in Del Mar, a few blocks south of the restaurant, Lt. Greg Rylaarsdam said. When the lawmen called out to him, Ibarra allegedly walked out from behind a concrete bridge support with a knife in his hand and strode toward the deputy closest to him, who lost his footing and fell down while backing away. 472

With an FHA loan, if you put less than 10% down, you’ll pay 1.75% of the loan amount upfront and make monthly mortgage insurance payments for the life of the loan. With a down payment of 10% or more (that is, a loan-to-value of 90% or better), the premiums will end after 11 years. 291

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