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Scientists Say Pyramids Could Be Concrete
Physorg ^ | 4-23-2008 | UPI

Posted on 04/23/2008 1:23:56 PM PDT by blam

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1 posted on 04/23/2008 1:23:57 PM PDT by blam
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To: blam

I’ve thought for a long time that the blocks were cast in place. Still working out how to make a sandstone concrete, though.


2 posted on 04/23/2008 1:26:01 PM PDT by SlowBoat407 (It's a fine line between Guardian Angel and Stalker.)
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To: blam
Could be? Concrete doesn't look like natural rock. Give some geologist a magnifying glass and sixty seconds and you'll have an answer.
3 posted on 04/23/2008 1:26:54 PM PDT by KarlInOhio (Pray for Rattendaemmerung: the final mutually destructive battle between Obama and Hillary in Denver)
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To: SlowBoat407

Probably something similar to cement; fire the stone, add gypsum and other commodities.


4 posted on 04/23/2008 1:27:47 PM PDT by Eric in the Ozarks
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To: SlowBoat407; blam
That's what Dr. Davidowitz has been saying for 30 years.

www.geopolymer.org/category/archaeology/pyramids

5 posted on 04/23/2008 1:29:19 PM PDT by Jeff Chandler (It takes a father to raise a child.)
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To: SlowBoat407

Where would the aliens who built the pyramids get the concrete?


6 posted on 04/23/2008 1:30:36 PM PDT by Perdogg (Reagan would have never said "She's my girl")
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To: Perdogg

From their Home Planet Depot


7 posted on 04/23/2008 1:32:05 PM PDT by E.Allen
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To: SlowBoat407

According to the theory, the older pyramids with the mobile home-sized limestone blocks were poured in place. The only tools available at the time were copper. The newer pyramids with smaller sandstone blocks were made with traditional carved blocks.


8 posted on 04/23/2008 1:32:12 PM PDT by Jeff Chandler (It takes a father to raise a child.)
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To: SlowBoat407
Still working out how to make a sandstone concrete, though.

Ask Calypso Louie Farrahkhan I'm sure he knows......

9 posted on 04/23/2008 1:33:48 PM PDT by Red Badger ( We don't have science, but we do have consensus.......)
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To: Perdogg
Where would the aliens who built the pyramids get the concrete?

http://www.macraesbluebook.com/search/company.cfm?company=402249

10 posted on 04/23/2008 1:34:56 PM PDT by Red Badger ( We don't have science, but we do have consensus.......)
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To: blam

Some of the chambers and other internal structures are lined with enormous granite slabs, and I don’t think those could be cast. So, if you can carve out large granite slabs, it should be pretty simple to cut limestone ones, and do so faster and easier. I don’t see the need for them to even consider casting.


11 posted on 04/23/2008 1:35:15 PM PDT by ZX12R
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To: blam

http://www.macraesbluebook.com/search/company.cfm?company=402249


12 posted on 04/23/2008 1:35:31 PM PDT by Red Badger ( We don't have science, but we do have consensus.......)
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To: blam

Ya mean at this late date in history they don’t know


13 posted on 04/23/2008 1:35:46 PM PDT by uncbob
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To: blam
Materials scientist, archaeologists, chemical engineers. They throw around a lot of high powered degrees in the article without mentioning the one discipline most qualified to make the determination, e.g. a geologist. Specifically one specializing in igneous petrology.
14 posted on 04/23/2008 1:36:44 PM PDT by SpaceBar
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To: SlowBoat407

I’m betting the pyramids self formed from Natural Selection.


15 posted on 04/23/2008 1:37:00 PM PDT by MrB (You can't reason people out of a position that they didn't use reason to get into in the first place)
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To: Red Badger

The ancient Egyptians could fly, before the white man came and...

not sure how this works out, but,

somehow made them not fly.


16 posted on 04/23/2008 1:38:21 PM PDT by MrB (You can't reason people out of a position that they didn't use reason to get into in the first place)
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To: SlowBoat407
Still working out how to make a sandstone concrete, though.

There's a big push on by watermelons to use some form of diatomaceous earth to replace concrete, especially in third world countries.

I believe that's the basis for some of the "poured pyramid" theories.

The manufacture of concrete contributes to man-made global warming.

17 posted on 04/23/2008 1:40:12 PM PDT by Calvin Locke
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To: E.Allen
From their Home Planet Depot

THAT's Funny! I needed a laugh right now.

18 posted on 04/23/2008 1:40:28 PM PDT by NativeSon (off the Rez without a pass...)
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To: MrB

We're letting them fly again.......

19 posted on 04/23/2008 1:41:14 PM PDT by Red Badger ( We don't have science, but we do have consensus.......)
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To: MrB
I’m betting the pyramids self formed from Natural Selection.

Ascent with modification from a grain of sand.
20 posted on 04/23/2008 1:41:22 PM PDT by ZX12R
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To: blam

I remember seeing a clipping about 20 years ago on our department’s Trivia bulletin board stating that the pyramids were made of cast concrete blocks. The proof? The grain pattern of the plywood used for the molds.


21 posted on 04/23/2008 1:41:35 PM PDT by 19th LA Inf
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To: blam
...would mean the ancient Egyptians were great materials scientists as well as great civil engineers.

And still couldn't make drawings depicting people in 3D.

22 posted on 04/23/2008 1:44:56 PM PDT by FreePaul
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To: blam

Not a new theory as Davidowitz said in his book, and as another poster has said. Story I heard from some German R&D people was that the blocks are synthetic zeolite castings. Story is when Napolean was stranded in Egypt, he had some of his engineers take a look at ancient Egyptian artifacts. They found a finely made hollow quarzite vase, which by any then known (18th century) technology couldn’t be fabricated because the material was too hard.

They took it back to France and gave it to Lavoisier who pronounced that it had been cast not cut by some unknown technique.

Smart folks those ancients. The natural ores used for the zeolite were supposedly mined to exhaustion, and they didn’t know how to make more.

Lavoisier also lost his head because he supported freedom of thought. Would have been a freeper for sure.


23 posted on 04/23/2008 1:47:34 PM PDT by JeanLM
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To: blam
Archaeologists say there is no evidence the pyramids are built of any synthetic material ...

But that doesn't stop the scientists from putting forth any theories to the contrary.

24 posted on 04/23/2008 1:54:09 PM PDT by TexGuy (If it has the slimmest of chances of being considered sarcasm ... IT IS!)
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To: SpaceBar
Actually you need a sedimentologist. Limestone is a sedimentary rock which can become Marble during metamorphism which involves changes in heat and/or pressure and/or introduction of fluids without melting
25 posted on 04/23/2008 1:56:18 PM PDT by Red_Devil 232 (VietVet - USMC All Ready On The Right? All Ready On The Left? All Ready On The Firing Line!)
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To: blam
Just my theory (play some Twilight Zone music): An Alien mothership dropped off a huge pile of concrete mix for a landing strip, the Egyptians found it and used it for their pyramids.
26 posted on 04/23/2008 1:56:49 PM PDT by jonrick46
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To: 19th LA Inf

“plywood”?

Wood, maybe, but not plywood. You’re joking, of course...


27 posted on 04/23/2008 1:59:05 PM PDT by MrB (You can't reason people out of a position that they didn't use reason to get into in the first place)
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To: Red_Devil 232

That’s called a sedimentary petrologist.


28 posted on 04/23/2008 1:59:47 PM PDT by SpaceBar
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To: blam

From Jersey. They got a good price. Capice?


29 posted on 04/23/2008 2:00:26 PM PDT by PzLdr ("The Emperor is not as forgiving as I am" - Darth Vader)
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To: Red_Devil 232

Limestone is easy to identify. It’s the igneous rock that could be mistaken for a synthetic polymict breccia, so my original comment stands.


30 posted on 04/23/2008 2:02:03 PM PDT by SpaceBar
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To: Perdogg

“Where would the aliens who built the pyramids get the concrete?”

Or a mixer and a pump truck?


31 posted on 04/23/2008 2:05:18 PM PDT by wolfcreek (I see miles and miles of Texas....let's keep it that way.)
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To: MrB
You’re joking, of course...

I remember thinking at the time that this was seriously proposed by some crackpot who did not realize how ridiculous it sounded.

32 posted on 04/23/2008 2:08:06 PM PDT by 19th LA Inf
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To: blam

I’m surprised that the Egyptians would not want to re-cover the pyramids with smooth limestone, as they were originally built.


33 posted on 04/23/2008 2:09:15 PM PDT by fishtank (Fenced BORDERS, English LANGUAGE, Patriotic CULTURE: A good plan.)
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To: fishtank

This is all well and good, but when are they going to start looking at SOYLENT GREEN?????


34 posted on 04/23/2008 2:14:08 PM PDT by job
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To: blam

The world has been waiting with bated breath for the answer to this one, I, personally, think they were made from camel dung.


35 posted on 04/23/2008 2:25:08 PM PDT by RetSignman (DEMSM: "If you tell a big enough lie, frequently enough, it becomes the truth")
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To: PzLdr

Yeah, but is Hoffa buried in one of those blocks?


36 posted on 04/23/2008 2:37:47 PM PDT by JimC214
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To: blam
To make concrete you have to burn limestone with additives, is that where all the trees in Egypt went?
37 posted on 04/23/2008 2:40:01 PM PDT by Little Bill (Welcome to the Newly Socialist State of New Hampshire)
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To: Jeff Chandler

Yeah this is an old idea.


38 posted on 04/23/2008 2:41:48 PM PDT by ansel12 (FLDS , Don't mess with Texas.)
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To: blam

Elvis built the pyramids.
Ask Mojo Nixon


39 posted on 04/23/2008 2:43:18 PM PDT by kidd
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To: FreePaul
It wasn't that they couldn't depict in3D.

Rather....

You see, their religion prohibited them from depicting images of living things, especially the gods and birds and such. So, they depicted dead thing instead.

Now, the majority of the dead things during the busy building times were -as you would expect-those that died as a matter of being crushed under the weight of the heavy stones.

Therefore, when depicted in their now defunct state, they were already two dimensional, having been flattened by the stones or the rollers used to move them.

If you look closely, you will see many of the human forms depicted were actually in the act of getting out of the way of the rollers, with one arm up in front and the other down in back, like an "exit, stage left" stance.

But alas, they were slow, hence they got squashed, and depicted in the correct anatomical configuration.

40 posted on 04/23/2008 2:47:24 PM PDT by going hot (Happiness is a momma deuce)
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To: Jeff Chandler

I have seen this speculation before on FR, a few years ago. It would be a much easier explanation than hauling those humongous blocks in those humongous numbers from far away then raising them into place. If it finally turns out to be correct.


41 posted on 04/23/2008 2:51:23 PM PDT by arthurus
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To: blam

http://www.aeraweb.org/khufu_quarry.asp

http://www.theglobaleducationproject.org/egypt/studyguide/6stone.php


42 posted on 04/23/2008 2:55:49 PM PDT by maine-iac7 (Just a Typical White, gun-toting, Jesus-loving Gramma)
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To: blam

According to Barrack Hussein Obama’s pastor, they were cut with high speed diamond wet saws then lapped to a mirror finish, transported to the job site where stationary and mobile cranes hoisted them into place.


43 posted on 04/23/2008 2:56:12 PM PDT by fso301
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To: FreePaul
And still couldn't make drawings depicting people in 3D.

That's because in ancient times, the world still only had 2 dimensions. That's why they all said the world was flat. All modern species of cartoon characters are descended from this time period. The Earth later evolved the 3rd dimension because everything was getting a little too crowded.
44 posted on 04/23/2008 3:39:19 PM PDT by fr_freak (So foul a sky clears not without a storm.)
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To: fr_freak
That's because in ancient times, the world still only had 2 dimensions. That's why they all said the world was flat. All modern species of cartoon characters are descended from this time period. The Earth later evolved the 3rd dimension because everything was getting a little too crowded.

It was during this era that humans and cartoon characters diverged from their common ancestors. Humans retained their vestigial fifth fingers.

45 posted on 04/23/2008 4:44:56 PM PDT by Jeff Chandler (It takes a father to raise a child.)
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To: blam

ping


46 posted on 04/23/2008 4:51:51 PM PDT by True Republican Patriot (God Bless America and The Republicans)
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To: Jeff Chandler; going hot

Are you sure, absolutely sure, that Al Gore didn’t create the third dimension shortly before he invented the internet and global warming/cooling/whatever?


47 posted on 04/23/2008 5:55:48 PM PDT by FreePaul
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To: blam

The basic pyramid blocks had to have been poured; way too much work and you’d waste more than half the available stone material otherwise.


48 posted on 04/23/2008 8:04:36 PM PDT by wendy1946
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To: PzLdr

Ok, cut and moved OR cast in place they STILL had to move
a billion TONS of mass into position.

At the rate of 400 blocks or 800 tons or more a day of limestone aggregate and assorted water and chemicals still pretty incredible.

I don’t think we have the answer yet.


49 posted on 04/23/2008 8:13:03 PM PDT by tet68 ( " We would not die in that man's company, that fears his fellowship to die with us...." Henry V.)
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To: tet68

Sorry not a billion tons but ten million tons or so.
Still amazing.


50 posted on 04/23/2008 8:18:21 PM PDT by tet68 ( " We would not die in that man's company, that fears his fellowship to die with us...." Henry V.)
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