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Originally posted by guitarplayer
I was under the impression that the desert at that time was covered in water so how could it of turned the sand at the bottom of it to glass?
source
Unfortunately, the Oligocene Epoch was largely a gap in the primate fossil record in most parts of the world. This is especially true for prosimian fossils. Most of what we know about them came from the Fayum deposits in Western Egypt. While this area is a desert today, 36-31 million years ago it was a tropical rainforest on the edge of a large lake or sea. Other Oligocene deposits containing some fossil primate bones have been found in North and West Africa, the Southern Arabian Peninsula, China, Southeast Asia, as well as North and South America.
The eastern branch of the rift passes through Ethiopia and Kenya, and the western branch forms a giant arc from Uganda to Malawi.
The eastern branch formed around 25 to 30 million years ago, whereas the western branch formed only 10 to 15 million years ago — or at least that's what scientists thought. Now, new evidence points to an earlier birth date for the western branch, too.
"We now believe that the western portion of the rift formed about 25 million years ago, and is approximately as old as the eastern part, instead of much younger as other studies have maintained," said Michael Gottfried, a geologist at Michigan State University who co-authored the study.
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Rocks deposited more than 25 million years ago, before the western branch began rifting, house fossils of more primitive, extinct primates, Gottfried explained. Younger rocks have primate fossils that are generally more like the primates living in Africa today.
"We kind of think of that period of time as a transitional period," he added.
Originally posted by guitarplayer
I was under the impression that the desert at that time was covered in water so how could it of turned the sand at the bottom of it to glass?
Originally posted by mcx1942
Strange and anomalous, glass found throughout Egypt's western Sahara and also into Libya as well, has baffled scientists for quite some time. These mysterious specimens have been an enigma just waiting to be unraveled. Possibly until now...I am in no way an expert on any of this, I just find it extremely interesting and I love trying to create unique and thought provoking threads. Cheers.
Originally posted by Xterrain
Originally posted by mcx1942
Interesting enough; I've held this type of glass in my own hands and can attest to it's density: it's extremely heavy compared to glass you find in windows, vases, etc.
That being said, I do not buy the 'asteroid impact right above the Earth' explanation. The reason being, is that vitrification (the process by which rock and sand glaze over or turn into glass) has happened in remote places all over the world in our distant past and I don't think we can blame them ALL on Tunguska like events. Now, we know Tunguska events happen once or twice every hundred years or so, but there are historical texts from our most ancient of civilizations that give many answers to these 'living' riddles.
It just takes time and understanding to look at history and compare it to religious texts (take your pick), to find key events that line up. I can't tell people enough...the evidence is in writing and in storytelling. The Western 'society' doesn't have it figured out and the more they (the scientific community) attempts to explain the inexplicable, the further they get from the truth.
This glass...is probably volcanic or a bi-product of fusion tens of thousands of years ago. The Egyptians found this glass, like they did the pyramids, and utilized it in their jewelry. They hadn't a clue as to where the glass came from, so that tells you it occurred beyond 10,000 years ago. That being said, it's been found ON TOP of the soil/sand/plateaus, so it can't be THAT old.
Anyone who doesn't believe me, look into vitrification of stone walls in England, Peru, India, Sri Lanka, China, Russia, America, and Mexico. Then explain to me that all these ancient folks stories (religions) are just made up fantasy.
(I'm quite tired as it's 3am, so I hope this all makes sense.)edit on 22-7-2013 by Xterrain because: (no reason given)
originally posted by: Hanslune
This is always an interesting subject
For the nuclear explosion believers a question - if it was an explosion - what was the target? Take a look at Hiroshima and Nagasaki. So why no ruins, why no associated culture or civilization?
Natural - or the aliens or 'advanced humans' were really bad shots or wearing hunting with nukes, lol
originally posted by: Hanslune
a reply to: pikestaff
Given the time frame of the hit was 26 million years ago our ancestors were to busy chasing insects in the trees to pay much attention
The international team found a substance known as melt glass, which forms at temperatures of 1,7000 to 2,200 degrees Celcius and can result from a ‘cosmic body’ hitting the earth.
The material was found in a thin layer of rock in Pennsylvania and South Carolina in the US, along with Syria. Tests confirmed the material was not of cosmic, volcanic or human-made origin.