Cosmogenic surface exposure dating

28-Sep-2015 13:28 by 4 Comments

Cosmogenic surface exposure dating - dating services in dominican republic

When this is done, most current estimates of the meteoritic dust influx rate to the earth fall in the range of 10,000-20,000 tons per year, although some suggest this rate could still be as much as up to 100,000 tons per year.Apart from the same satellite measurements, with a focusing factor of two applied so as to take into account differences in size and gravity between the earth and moon, two main techniques for estimating the lunar meteoritic dust influx have been trace element analyses of lunar soils, and the measuring and counting of microcraters produced by impacting micrometeorites on rock surfaces exposed on the lunar surface.

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There is not the slightest sign of such a dust layer anywhere of course.An attempt is made here to thoroughly examine these arguments, and the counter arguments made by detractors, in the light of a sizable cross-section of the available literature on the subject.Of the techniques that have been used to measure the meteoritic dust influx rate, chemical analyses (of deep sea sediments and dust in polar ice), and satellite-borne detector measurements appear to be the most reliable.Thus, until new evidence is forthcoming, creationists should not continue to use the dust on the moon as evidence against an old age for the moon and the solar system.One of the evidences for a young earth that creationists have been using now for more than two decades is the argument about the influx of meteoritic material from space and the so-called ‘dust on the moon’ problem.It thus appears that the amount of meteoritic dust and meteorite debris in the lunar regolith and surface dust layer, even taking into account the postulated early intense meteorite and meteoritic dust bombardment, does not contradict the evolutionists’ multi-billion year timescale (while not proving it).

Unfortunately, attempted counter-responses by creationists have so far failed because of spurious arguments or faulty calculations.

This regolith consists of lunar rock debris produced by impacting meteorites mixed with dust, some of which is of meteoritic origin.

Apart from impacting meteorites and micrometeorites it is likely that there are no other lunar surface processes capable of both producing more dust and transporting it.

On the moon’s surface it should be at least as thick, but the astronauts found no sign of it (before the moon landings, there was considerable fear that the men would sink into the dust when they arrived on the moon, but no comment has apparently ever been made by the authorities as to why it wasn’t there as anticipated).

Even if the earth is only 5,000,000 years old, a dust layer of over 2 inches should have accumulated.

Then NASA sent up rockets and satellites and used earth-bound radar to make measurements of the meteoritic dust influx, results suggesting there was only sufficient dust for a thin layer on the moon.

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