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ABSTRACT. Between 1984 and 1995 over 450 organic samples were collected from monuments built during the Old and Middle Kingdoms. The most suitable samples were selected for dating. The purpose was to establish a radiocarbon chronology with samples from secure context and collected with the careful techniques required for 14C samples. This chronology is compared to the historical chronology established by reconstructing written documentation. Radiocarbon dating of dynastic monuments in Egypt goes back to the very beginning of this dating method. W F Libby included three Old and Middle Kingdom samples in his initial set of known-age samples as a test of the method (Arnold and Libby 1949). In the following twenty years, numerous laboratories have followed Libby’s lead and analyzed similar samples. From the published results it became apparent that close agreement with the historical chronology was often lacking. A closer study of this disagreement was needed.
The American Research Center in Egypt (ARCE) undertook in 1984 the first of the two projects reported here with financial support from the Edgar Cayce Foundation. The Foundation’s interest in the project rested on a hypothesis offered by Cayce that the Giza pyramids dated to 10,500 BC [14C and historic dates was only approximate and left open the possibility of a difference between the two chronologies. These results were reported in Haas et al. 1987. More data was needed, thus, a second project was begun in 1995.] The earliest experiments in radiocarbon dating were done on ancient material from Egypt. Willard F. Libby’s team obtained acacia wood from the 3rd Dynasty Step Pyramid of Djoser to test a hypothesis they had developed. Libby reasoned that since the half-life of C14 was 5568 years, the Djoser sample’s C14 concentration should be about 50% of the concentration found in living wood (for further details, see Arnold and Libby, 1949).
The results proved their hypothesis correct. Subsequent work with radiocarbon testing raised questions about the fluctuation of atmospheric C14 over time. Scientists have developed calibration techniques to adjust for these fluctuations. In 1984 we conducted radiocarbon dating on material from Egyptian Old Kingdom monuments [] The average radiocarbon dates were 374 years earlier than expected[]. In 1994-1995 the David H. Koch Foundation supported us for another round of radiocarbon dating.[] The 1995 set of radiocarbon dates tended to be 100 to 200 years older than the Cambridge Ancient History dates[] There are two striking results. First, there are significant discrepancies between the 1984 and 1995 dates for Khufu and Khafre, but not for Djoser and Menkaure. Second, the 1995 dates vary widely even for a single monument. For Khufu’s Great Pyramid, they scatter over a range of about 400 years.[] Ancient Egypt’s population was restricted to the narrow confines of the Nile Valley with, we assume, a sparse cover of trees. It is likely that, by the pyramid age, the Egyptians had been intensively exploiting wood for fuel for a long time.[]
Alternatively, if our radiocarbon estimations were in error for some reason, we had to assume that many other dates obtained from Egyptian materials were also suspect. This prompted the second, larger, 1995 study. At this point I would suggest that it was time to torture the data more ...it must confess ... If the Middle Kingdom radiocarbon dates are good, why are the Old Kingdom radiocarbon dates from pyramids so problematic? The pyramid builders often reused old cultural material, possibly out of expedience[] The giant stone pyramids in the early Old Kingdom may mark a major depletion of Egypt’s exploitable wood. This may be the reason for the wide scatter and history-unfriendly radiocarbon dating results from the Old Kingdom www.aeraweb.org... journals.uair.arizona.edu... www.ancient-wisdom.com... en.wikipedia.org... en.wikipedia.org...
Once again I have to bring up this new scientific discovery and ask the simple question ,does this effect all previous C14 dating which Egyptology will have to re address .If what they say is true of using old wood or even wood available at the time this big fluctuations in C14 will have a effect on the dating .
Large 14C excursion in 5480 BC indicates an abnormal sun in the mid-Holocene www.pnas.org... "" "We measured the 14C levels in the pine sample at three different laboratories in Japan, the US, and Switzerland, to ensure the reliability of our results," A. J. Timothy Jull of the University of Arizona says. "We found a change in 14C that was more abrupt than any found previously, except for cosmic ray events in AD 775 and AD 994, and our use of annual data rather than data for each decade allowed us to pinpoint exactly when this occurred." The team attempted to develop an explanation for the anomalous solar activity data by comparing the features of the 14C change with those of other solar events known to have occurred over the last couple of millennia. "Although this newly discovered event is more dramatic than others found to date, comparisons of the 14C data among them can help us to work out what happened to the sun at this time," Fusa Miyake of Nagoya University says. She adds, "
originally posted by: the2ofusr1
a reply to: Marduk
I am not convinced one way or the other about the tools used .My big issue is with dates and dating . If there was a civilization prior to Egypt then who were they and where did they go .
And then has to rush off to secure funding ...
originally posted by: the2ofusr1
The pyramid builders often reused old cultural material, possibly out of expedience[] The giant stone pyramids in the early Old Kingdom may mark a major depletion of Egypt’s exploitable wood. This may be the reason for the wide scatter and history-unfriendly radiocarbon dating results from the Old Kingdom.
Once again I have to bring up this new scientific discovery and ask the simple question ,does this effect all previous C14 dating which Egyptology will have to re address .If what they say is true of using old wood or even wood available at the time this big fluctuations in C14 will have a effect on the dating .
Large 14C excursion in 5480 BC indicates an abnormal sun in the mid-Holocene www.pnas.org... "" "We measured the 14C levels in the pine sample at three different laboratories in Japan, the US, and Switzerland, to ensure the reliability of our results," A. J. Timothy Jull of the University of Arizona says. "We found a change in 14C that was more abrupt than any found previously, except for cosmic ray events in AD 775 and AD 994, and our use of annual data rather than data for each decade allowed us to pinpoint exactly when this occurred."
originally posted by: the2ofusr1
a reply to: Marduk
So much so that I thanked you for the link and brought you a link about the same subject matter and asked you if it may actually matter with dating . I will take your lack of response to that simple question as you unilaterally choosing to ignore scientific evidence to maintain your sacrosanct position on the dates . David Rohl was strike two for you and is a part of the discussion that gives you strike three ,for telling me he doesn't belong when it comes to looking at dates for Egypt's history which is what this threads main point is . That is strike 4 and now we have moved into girley ball or T-ball .
Not even close, your big issue is that you have unilaterally chosen to ignore scientific evidence like this,
I would tend to reject it - BUT - having said that, I do it on the basis that my instructors reject it and they know more about it than I do. It looks like someone is trying to shoehorn the Bible onto a culture where there isn't any evidence. However, having said that, we've got an appointment with a financial adviser in an hour and so I'm going to trot off for that. I'll look at it later and give you some better thoughts on it, however.
Excuse me for thinking the money part had to do with your educational studies . Oh wait how ridiculous of me.As far as asking you your opinion goes I see you only repeat what your instructor is paid to tell you to think. Reading the link Marduk provided it has a lot of maybes, could be's and assumptions . Not what I would call conclusive but what Harte mentions as wiggle room with the dates . So with a little wiggle room hear and a little there and a bit more torturing of the data mission accomplished ..... Address the main point I made concerning the C14 data in the new scientific finding and how that applies to the old now paper for the dating of Egypt .The link is in my previous post .
so I can pay for this semester.
You provided me with a document that used C14 dating . That document was created before the new scientific findings about C14 found in 5000 year old tree rings . How does that finding effect the dating used in your linked paper ? Because they don't address it and how could they because its just been published . You document acknowledges that they may have used used trees at the time ."used lumber" Did that lumber's C14 have the C14 signals that the new study found ? Was the calculations adjusted for that C14 ? Probably not but if you can provide me with data that shows it did or that the new finding has no barring on C14 I will be much appreciated .
1. you haven't even studied Egyptian culture 2. you are oblivious to how science really works
originally posted by: the2ofusr1
a reply to: Marduk
You provided me with a document that used C14 dating . That document was created before the new scientific findings about C14 found in 5000 year old tree rings . How does that finding effect the dating used in your linked paper ? Because they don't address it and how could they because its just been published . You document acknowledges that they may have used used trees at the time ."used lumber" Did that lumber's C14 have the C14 signals that the new study found ? Was the calculations adjusted for that C14 ? Probably not but if you can provide me with data that shows it did or that the new finding has no barring on C14 I will be much appreciated .
1. you haven't even studied Egyptian culture 2. you are oblivious to how science really works
Did that lumber's C14 have the C14 signals that the new study found ?
originally posted by: the2ofusr1
a reply to: Byrd
Reading the link Marduk provided it has a lot of maybes, could be's and assumptions . Not what I would call conclusive but what Harte mentions as wiggle room with the dates . So with a little wiggle room hear and a little there and a bit more torturing of the data mission accomplished ..... Address the main point I made concerning the C14 data in the new scientific finding and how that applies to the old now paper for the dating of Egypt .The link is in my previous post .
Again, note that nobody's using C14. They are using text, including Josephus and Manetho and the various kings' lists.
ABSTRACT. Between 1984 and 1995 over 450 organic samples were collected from monuments built during the Old and Middle Kingdoms. The most suitable samples were selected for dating. The purpose was to establish a radiocarbon chronology with samples from secure context and collected with the careful techniques required for 14C samples. This chronology is compared to the historical chronology established by reconstructing written documentation. Radiocarbon dating of dynastic monuments in Egypt goes back to the very beginning of this dating method. W F Libby included three Old and Middle Kingdom samples in his initial set of known-age samples as a test of the method (Arnold and Libby 1949). In the following twenty years, numerous laboratories have followed Libby’s lead and analyzed similar samples. From the published results it became apparent that close agreement with the historical chronology was often lacking.
originally posted by: Byrd
So these would be the roughs that would later be carved out and filled in [...] Are the boxes "older than the graffiti", well, yes, the boxes were made first. But they are not repuprosed. The one they are looking at was, in fact, unused.
originally posted by: jeep3r
One question that comes to mind when considering these "roughs" is why they wouldn't have used paint instead,.
originally posted by: the2ofusr1
a reply to: AnonymousExplorer
Star for you great story ...I wont ask for a source though :>)
originally posted by: the2ofusr1
Do you think it might be time to revise the july 19 2016 revised tree-ring-sequenced carbon dating to factor in the December 21, 2016 discovery ?.
originally posted by: the2ofusr1
a reply to: Marduk
You provided me with a document that used C14 dating . That document was created before the new scientific findings about C14 found in 5000 year old tree rings . How does that finding effect the dating used in your linked paper ? Because they don't address it and how could they because its just been published . You document acknowledges that they may have used used trees at the time ."used lumber" Did that lumber's C14 have the C14 signals that the new study found ? Was the calculations adjusted for that C14 ? Probably not but if you can provide me with data that shows it did or that the new finding has no barring on C14 I will be much appreciated .
1. you haven't even studied Egyptian culture 2. you are oblivious to how science really works