Re: Skull in Boulder images

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"henry l. barwood" <hbarwood@indiana.edu> wrote:

>Jim Yahr wrote:

>snip. Megaspam partially retained.

>> Ed Conrad wrote:
>> >
>> > Rather amazing, too, is that, while the boulder itself is solid,
>> > the human skull-like protrusion emits a hollow sound when
>> > tapped.
>> >
>> What's even more amazing is how your material has maintained its 3
>> dimensional shape when all the rock around it has been compressed to
>> 1/20th of it's original volume. So I ask you, for the fourth time, to
>> explain how the shape can be maintained with this amount of compression
>> in the surounding metamorphic rock.
>>
>Although Conrad would neither accept nor understand, this is perfectly
>reasonable function of concretion formation. Being an early diagenetic
>product they maintain a spherical to semi-spherical form (some are
>compressed to varying degrees by late diagenesis and/or metamorphism) and
>are often hollow from replacement or gel-state shrinkage.
> Henry Barwood

Henry:
I totally agree with your assessment of the reason for the shrinkage
of so many of your colleague's brains.
Being an early diagenetic product, they maintain a spherical to
semi-spherical form (frequently compressed by late diagenesis and/or
metamorphism) and often are hollow from replacement or gel-state
shrinkage.
This deplorable condition, most frequently triggered by a steady dose
of brainwashing on a college/university level, is known by
neurologists as Petrified Brainitis.
And, the sad part, they still haven't come up with a cure.

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