The earliest, ""Primary"" is somewhat similar to the modern Paleozoic and Precambrian, and the ""Secondary"" is similar to the modern Mesozoic.
Another observation was the similarity of the fossils observed within the succession of strata, which leads to the next topic. As geologists continued to reconstruct the Earth's geologic history in the s and early s, they quickly recognized that the distribution of fossils within this history was not random -- fossils occurred in a consistent order. This was true at a regional, and even a global scale.
My impression is that these are not on this part of the geologic column. And how well do the dates correlate with others for the same formation. There are also mixing scenarios that can produce even super isochrons having invalid ages. And geologists admit in any event that isochrons can sometimes give false ages. Here is a mixing scenario for false isochrons.
There are two sources of lava, A and B. Suppose these mix together so that at point 0 we have only A, at point 1 we have only B, and in between we have varying concentrations. Half way between there is a mixture of half A and half B, for example. Suppose X is a parent substance, Y is its daughter, and Z palm beach country estates water hookup a non-radiogenic isotope of the daughter. Suppose A has a little X and lots of Y and not much Z, all uniformly distributed, and B has some mixture of Y and Z, all uniformly distributed.
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Paula copes by being pragmatic. She helped her son find a new therapist, one better equipped to help him deal with his attractions. And when that new therapist suggested he remove all information on the two computers he used to access child porn, so as to reduce temptation and possible legal ramifications, she led the charge.
Her concern was hardly disproportionate to the potential repercussions. Possession of child pornography carries statutory penalties under federal and state law.
These penalties can be so severe that those caught with child porn can receive longer sentences than those convicted of child abuse.