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To: ETL
Your questions are ridiculous! And you say you actually own books on geology?? I don't believe it.

Yeah. That's the way to deal with my questions. Dismiss them as unworthy of answer. What is the pressure at the center of the earth? Did the folding in the strata occur before or after the hardening of the strata? How did those fossil images on top (and inside for that matter too) of the Grand Canyon survive all that erosion you say occurred? Where did the side canyons come from? How come archaeologists have to dig? Such ridiculous questions.

As for books, right at hand I have Harris and Tuttle - Geology of the National Parks, Press and Siever - Understanding Earth, and Stanley - Earth System History. I'm sure I have others around here too.

ML/NJ

123 posted on 12/29/2008 6:40:47 AM PST by ml/nj
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To: ml/nj
What is the pressure at the center of the earth?

I don't know what it is at the precise center of the Earth, but pressure which causes uplift and folding are tectonic in nature (involves the shifting around of earth's tectonic plates). Pressure 'deep beneath the surface' is also caused simply by the enormous weight of the overlying rock.

Did the folding in the strata occur before or after the hardening of the strata?

There isn't any tectonic folding in the Catskills. The beds are simply tilted slightly upward toward the east, the ancient source of the deposits, the Acadian mountain range. However, there is plenty of tectonic folding along the northeast margin of the Catskills, particularly around the Towns of Catskill and Leeds

How did those fossil images on top (and inside for that matter too) of the Grand Canyon survive all that erosion you say occurred?

They will eventually be eroded away, and more and more fossil-bearing layers beneath will be revealed.

Where did the side canyons come from?

Erosion from tributaries I would imagine.

How come archaeologists have to dig?

Is that a serious question?

124 posted on 12/29/2008 7:47:17 AM PST by ETL (Smoking gun evidence on ALL the ObamaRat-commie connections at my newly revised FR Home/About page)
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