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Old March 19th, 2012, 04:38 PM   #81
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Scientists find ancient camel fossils in Panama
Wed, Mar 14, 2012

MIAMI (AP) — Researchers say they have discovered the fossils of a small camel with a long snout that roamed the tropical rainforests of the isthmus of Panama some 20 million years ago.

The ancient camel had no hump, and one of the two species found appeared to stand only about two feet (.6 meters) tall, scientists reported in a recently published article in the Journal of Vertebrate Paleontology.

University of Florida researcher Aldo Rincon discovered the fossils during the widening of the Panama Canal to accommodate hulking new cargo ships. He and other scientists from Panama, the United States and the Smithsonian Tropical Research Institute also reported finding fossils of ancient marlins, turtles and horses.

"We never expected to find a camel there," said Smithsonian scientist Carlos Jaramillo, co-author of the journal article. "It's really, really a surprise."

Unlike contemporary camels, these had crocodile-like teeth.

"It was like a little dog," Jaramillo said.

Scientists believe the camels, Aguascalientia panamaensis and Aguascalientia minuta, may have used the sharp teeth as they chomped on lush foliage and fruit.

Geologists and paleontologists have essentially been traveling in the footprint of construction workers who are completing the canal's five-year expansion. The $5.2 billion project is providing a unique opportunity for researchers to excavate and preserve fossils that are normally hard to uncover from the extensive tropical foliage.

The find is raising questions about just how long ago the strip of land joining North and South America was created.

Though relatively small, Panama carries great scientific importance because it serves as the land bridge connecting those continents. When that gateway was created, there was a global sea change: The Pacific and Atlantic oceans were cut off from one another, and a great interchange of animals began, leading some species into extinction and others to adapt.

Researchers have long thought the isthmus was created 3.5 million years ago, but now that scientists have discovered a camel species living in the area about 17 million years earlier, that hypothesis is being questioned.

"It's pretty unusual to find camel remains that age at that place," said John Kricher, a biology professor at Wheaton College in Massachusetts who specializes in tropical ecology and is not affiliated with the project. "It certainly is a significant find by any measure. And it rewrites something of mammalian deep time history."

Plant species are believed to have spread between continents about 45 million years ago, and some animals such as crocodiles and turtles at about 20 million years ago. Mammals, however, didn't travel over until considerably later — between 1.5 and 3 million years ago, scientists estimate. Why they didn't is still somewhat of a mystery.

Unfortunately, there are big gaps in the ancient fossil record in Panama. Jaramillo said there are no fossils dating between 1 and 4 million years old there.

"Most of Panama was already up," Jaramillo said. "It was like a mountain, so erosion was very intense. No sediment was left during that time period."

Bruce Patterson, curator of mammals at the Field Museum of Natural History in Chicago, said the camel finding shows Panama was clearly part of North America, because the species didn't make it into South America until much later.

"In a sense, it really enlarges the ecological envelop of the camel radiation to have them living in tropical rainforests and browsing," Patterson said.

The camels are believed to have originated in what are now Florida and Texas and evolved as they moved southward.

By studying the teeth of the camels, scientists can determine what they ate. While the molars of today's camels tend to be flat from grazing on grasses, the camels of Panama had more ridged teeth, indicating they were browsers that ate a variety of plant life.

The species is now extinct in the Americas, but researchers say they likely evolved into the llamas and guanacos now seen in the Andes.

"Probably the camels we see today in Peru, Bolivia and Ecuador, they come from these camels that were living in Panama," Jaramillo said.

Rincon discovered the fossils in 2008 and uncovered pieces of a jaw belonging to one animal over the next two years. He said Wednesday that the remains had been covered in volcanic ash over time and were well preserved.

Rincon went back to the university and began putting the pieces together. Soon he realized he had nearly a complete jaw and that it belonged to a camel.

"I was excited," the 33-year-old researcher said.

In all, fossils from about five camels have been found. Four of the recovered jaws belong to the larger species, which likely stood no more than three feet (1 meter) tall.

Rincon and scientists from the U.S. and Panama are continuing to work under a grant from the National Science Foundation.

After about four years of field work, they have uncovered numerous trees, plants, frogs, rodents and crocodiles dating millions of years.

But camels hadn't been discovered anywhere in Panama before.

"It's something you don't even dream about," Jaramillo said.
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Old May 10th, 2012, 07:43 AM   #82
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As the Panama Canal expansion work continues, a third bridge across the canal (after the Bridge of the Americas and the Centennial Bridge) has been proposed and construction is to begin in October 2012 for an opening in 2015.
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Old May 12th, 2012, 12:36 AM   #83
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Quote:
Originally Posted by Jim856796 View Post
As the Panama Canal expansion work continues, a third bridge across the canal (after the Bridge of the Americas and the Centennial Bridge) has been proposed and construction is to begin in October 2012 for an opening in 2015.
Good.

Please post renders or updates.
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Old May 13th, 2012, 01:11 AM   #84
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Renders:

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Old May 13th, 2012, 01:14 AM   #85
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Panama Canal Expansion - UPDATES


[IMG]http://i42.************/ic03k2.jpg[/IMG]
Fotos créditos a la ACP
[IMG]http://i40.************/2112asm.jpg[/IMG]
Fotos créditos a la ACP
[IMG]http://i43.************/kdmjib.jpg[/IMG]
Fotos créditos a la ACP
[IMG]http://i40.************/155jmuh.jpg[/IMG]
Fotos créditos a la ACP[/QUOTE]



image hosted on flickr

Constructing the New Canal por Teresa_J, en Flickr

image hosted on flickr

Expanding the Cut por Teresa_J, en Flickr




HOW BIG THEY ARE?






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Old May 13th, 2012, 04:26 PM   #86
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Thank you.
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Ponte sullo Stretto di Messina - Seconda parte
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Old May 14th, 2012, 10:27 PM   #87
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just awesome
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Old May 18th, 2012, 01:20 PM   #88
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official construction cameras (almost live) :
http://www.acp.gob.pa/eng/photo/webcams-works.html
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Old September 20th, 2012, 06:39 PM   #89
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thanks for the update! i see a lot of Peri Trio Formwork...
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Old September 22nd, 2012, 10:44 PM   #90
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Wow just awesome.
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Old September 28th, 2012, 08:41 PM   #91
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Hopefully Jamaica will take advantage of the expansion of the Panama canal and fullfill their dream of becoming a logistics and transshipment hub.
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Old October 9th, 2012, 12:48 AM   #92
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Updates

image hosted on flickr

A T L Á N T I C O | CANAL DE PANAMÁ por Esdras Jaimes, en Flickr

image hosted on flickr

CANAL DE PANAMÁ | AMPLIACIÓN por Esdras Jaimes, en Flickr


image hosted on flickr

CANAL DE PANAMÁ | AMPLIACIÓN CARIBE por Esdras Jaimes, en Flickr

image hosted on flickr

CANAL DE PANAMÁ | AMPLIACIÓNE por Esdras Jaimes, en Flickr

image hosted on flickr

EN LA BUSQUEDA DE UNA ESPONTANEA por Esdras Jaimes, en Flickr
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Old October 9th, 2012, 01:03 AM   #93
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Looking good....quite a bit of construction is taking place...this mega project must be providing a major boost to the construction sector in Panama.
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Last edited by Nigel20; October 9th, 2012 at 11:44 PM.
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Old October 9th, 2012, 09:31 PM   #94
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Yes Indeed!.
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Old October 11th, 2012, 12:13 AM   #95
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Some videos:






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Old October 11th, 2012, 12:27 AM   #96
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Awesome videos...thanks for sharing.
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Old October 20th, 2012, 07:56 PM   #97
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_


Explanation of the progress (August 2012)


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Old November 1st, 2012, 02:38 PM   #98
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That,s a great and amazing for me..In Spain The effect of the Little Canal's third road, set to start in two decades, will have significant effects in the way the globe do businesses..whats your opinion??
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Old November 12th, 2012, 11:56 AM   #99
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Dutch design ???
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Old November 28th, 2012, 11:25 PM   #100
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Proposed

Panama Supercharge by BikaArchiTexture



“Panama Supercharge” is an architectural dialogue between mass and fragility, expressed as thin patterned developable surfaces out of metal sheets and heavy masses out of raw concrete. The building is adjacent to the new pair of locks at the Panama Canal, creating an environment for cruise ship passengers while they are waiting for the ship to pass the lock.

-Architect: BikaArchiTexture
-Name of Project: Panama Supercharge
-Location: Panama Canal, Panama

In one hour visitors move through spaces with different identities and climate zones, creating highly varied, densely packed atmospheres. Planthouses, aquariums and an exhibition inform on the astonishing biodiversity of the area surrounding the Panama Canal. One side allows for spectacular views onto the water lock, on the other side visitors take a walk into the jungle canopy. The building becomes a threshold between an industrial structure and nature.



















http://www10.aeccafe.com/blogs/arch-...aarchitexture/[/QUOTE]
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