Random Tusks

Material found in bogs suggests cosmic relation to historic climate downturns

Wow.  I tossed up an oldish link to an abstract by Lars Franzen — and today Lars sends me a nice note with a more recent article attached.  Until I hear otherwise I am sharing it.

Absolutely facinating.  Lars’ paper shows a link between abrubt climate change and cosmic material.  He doesn’t speculate too heavily on the precise nature of the cosmic flux — could be little stuff coming in — or big stuff turning into little stuff.  I will it read more carefully and report more thoroughly later, Super Bowl is distracting me at this point.

It is unfair to give a single excerpt from a thirty-page paper, but here goes:

Finally, from a human point of view, the millennium-scale fluctuations described here might be the cause of the rise and fall of cultures. Periods of
low cosmic influx would lead to the rise and bloom of civilizations whereas periods of high cosmic influx would lead to the decline and final collapse of these cultures hence leading us into what has been described as ‘Dark Ages’ of the past. If the hypothesis is right, we are just leaving the latest of such ‘Dark Ages’, i.e. The Little Ice Age, and entering into a new ‘Bright Age’ in the series of natural millennial oscillations. Acknowledgements

HINT: Search the word ‘Cosmic’ in the box on the lower right

GA Article Dec 2007

Cosmic activity as detected from raised bog stratigraphies in Northern Europe and Siberia. Cause, or non-cause, to climate detoriation and Dark Ages in Middle and Late Holocene?
by Lars G. Franzen
Physical Geography, Earth Sciences Centre, PO Box 460, SE 40530 Goteborg, Sweden

Raised bogs provide excellent archives of atmospheric deposition since peat formation began c.10,000 years ago. In the natural landscape, lacking human interference, mineral particle deposition is scarce and the amounts add less than 0.05 mm/1000 years. The dominating part of this being biogene silica or phytoliths formed autogenically by local vascular plants. The most important external sources in those days were rare events of loess soil formation from remote sources, volcanic eruptions and cosmic influx. The cosmic component has been studied by micro-meteorites, micro-tektites and geochemical signatures of peat ash from 11 Swedish, four Irish and three Norwegian bogs. In addition surface peat from Tunguska in Siberia was collected and analysed in 2001. A cosmic index has been constructed based on siderophile elements such as nickel and chromium, and rare earth elements. This index, in addition to the influx of micro-spherules etc. show that the cosmic influx has been high in several periods i.e. c. 7000 BC, 3000 BC, 2300 BC, 1700 BC, 1000 BC, 500 BC, 550 AD, 850 AD, 1300 AD and around the peak of “The Little Ice Age”. All of these peaks coincide with climatic, and many of them with known cultural, downturns. It is suggested that most of the rapid climate shifts during the Holocene could be attributed to cosmic activity. It is also believed that the cosmic events, in one way or the other, are responsible for the Dark Ages in our history.

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