38 years ago the science journal Nature, in its issue of October 6, 1972, and picked up an interesting study of geomagnetic reversals cyclic check on Earth.
In particular, the journal (Nature 239, 327-330 (06 October 1972) doi: 10.1038/239327a0) published a study by MICHAEL Michael Barbetti & McElhinny (Department of Geophysics and Geochemistry, Australian National University , Canberra).
This study can be downloaded here:
MICHAEL MICHAEL Barbetti & McElhinny and exposed to:
We conducted the first investigation archaeomagnetic Aboriginal settlements in Australia. The evidence of human occupation on the Australian continent dates back to 32000-25000 BC, and the sites are based on human cremation remains, found in the dunes of the former Park Lake Mungo, (now dried up in the Western Region of New South Wales (33.7 º S, 143 º E). These different sites analyzed, have preserved a record of recent geomagnetic reversals.
For 38 years it is known that there was a geomagnetic reversal from 25000-32000, and this event is cyclical and recurrent, depending on the track marks left by different archaeological record.
In particular, a detailed analysis of human civilizations have arisen in our history, suggest that there is a dark period of recession "(involution)" precisely between 32,000 and 10,000 years BC
A recent study by New Scientist of 4 September 2010, confirms once again what 38 years ago MICHAEL MICHAEL Barbetti & McElhinny showed. doi: 10.1016/S0262-4079 (10) 62127-6
identified in the summary:
" The sudden reversal in the Earth's geomagnetic axis, are theoretically impossible, although the evidence shows that there were at least twice in the recent past.
The literature quoted below, is indicative of these events to climate change inevitably suggest a global cosmic origin.
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