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To: Ernest_at_the_Beach

I got to tell ya, that the more crap I see coming out from the ‘scientific community’ the more I want to ignore the whole group. they make stuff up and try to sell their theory as scientific fact.


17 posted on 03/05/2010 1:34:35 PM PST by dirtymac (Now is the time for all good men to come to the aid of their country. Calling all Son's of Liberty)
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To: dirtymac
Where do we get the idea this is made up?

Now the AGW crowd seems to make stuff up.

19 posted on 03/05/2010 1:37:39 PM PST by Ernest_at_the_Beach ( Support Geert Wilders)
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To: dirtymac
Now here is the other side of the argument:

New Evidence Puts 'Snowball Earth' Theory Out In The Cold

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ScienceDaily (Mar. 25, 2007) — The theory that Earth once underwent a prolonged time of extreme global freezing has been dealt a blow by new evidence that periods of warmth occurred during this so-called 'Snowball Earth' era.

Analyses of glacial sedimentary rocks in Oman, published online in Geology, have produced clear evidence of hot-cold cycles in the Cryogenian period, roughly 850-544 million years ago. The UK-Swiss team claims that this evidence undermines hypotheses of an ice age so severe that Earth's oceans completely froze over.

Using a technique known as the chemical index of alteration, the team examined the chemical and mineral composition of sedimentary rocks to search for evidence of any climatic changes. A high index of alteration would indicate high rates of chemical weathering of contemporary land surfaces, which causes rocks to quickly decompose and is enhanced by humid or warm conditions. Conversely, a low chemical index of alteration would indicate low rates of chemical weathering during cool, dry conditions.

The researchers found three intervals with evidence for extremely low rates of chemical weathering, indicating pulses of cold climate. However these intervals alternate with periods of high rates of chemical weathering, likely to represent interglacial periods with warmer climates.

These warmer periods mean that, despite the severe glaciation of this time in Earth history, the complete deep-freeze suggested by 'Snowball Earth' theories never took place, and that some areas of open, unfrozen ocean continued to exist. Leader of the study, Professor Philip Allen of Imperial College London's Department of Earth Science and Engineering, explains:

20 posted on 03/05/2010 1:46:10 PM PST by Ernest_at_the_Beach ( Support Geert Wilders)
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