Problems with Radiometric Dating?

Just try the latest version of Adobe Reader. I have version 7.0 and it comes with a text-selection tool that works very well on the PDF directly. All you have to do is select, and it's even automatically copied to the clip-board.Looks like they're even up to version 8.1 now.

version 8.1.1

Aha! I'm still on 6.??. I'll upgrade. Tnx.

can you access Radioactive Dating and Low-Level Counting and email me the PDF? I want to see how it compares to the Bristlecone pine stuff I've read.

---

Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click)

---

we are limited in our ability to understand
by our ability to understand
RebelAAmericanOZen[Deist
... to learn ... to think ... to live ... to laugh ...
to share.

Done, to the #8 address.

another cool tool is pdfill PDF tools, free fromPDFill: Free PDF Editor, Free PDF Tools and Free PDF Writeryou can reorganize, combine, cut, crop, convert to image, and convert any file to pdf with the PDF print function (you can fill in those pdf form income tax forms that don't let you save your input and then print them to a PDF all filled out).meryxmas eh?

---

Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click)

---

we are limited in our ability to understand
by our ability to understand
RebelAAmericanOZen[Deist
... to learn ... to think ... to live ... to laugh ...
to share.

is it big? hasn't come through yet

I got a "could not deliver" message back. It's only two pages.Go to my profile and email me another address - I may have it, but I'm getting too scatterbrained to know.

done. try again. the addy on my website seems to be chopping off the last letter -- it's .com not .co

The article cited refers to work by H.E. Suess, but the words quoted are by V. R. SWITSUR. Here is what Switsur says about radiocarbon in his report on the symposium (I've highlighted the text quoted by Don Patton):

quote:

---

The study of radioactive dating and methods of low-level counting were the subjects of a symposium, organized by the International Atomic Energy Authority in conjunction with the Joint Commission for Applied Radioactivity (ICSU) and held at the Palais des Congres, Monte Carlo (2-10 March 1967). Four distinct, but related, areas of interest were discussed: geochemistry and cosmochemistry of radiocarbon and other isotopes and their application to dating problems; the study of meteorites; methods of dating by primeval isotopes; and a discussion of techniques of measurement and low-level counting.

​

Pioneer work by W. F. Libby culminated in the use of radiocarbon for absolute dating. He recounted in his opening review paper the many problems involved in developing this technique and asserted that, at several crucial stages, luck played an important part in making this first dating system viable. He related much information that could be useful to one constructing a new radiocarbon dating laboratory.

​

Several reports were made on investigations of the fundamentals of radiocarbon dating. Now that the techniques are much more precise, knowledge of the temporal variations of the concentration of carbon-14 in the atmosphere is of increasing importance in order that absolute dates may be calculated from activity measurements made in the laboratory. It is well established that the ages obtained on the assumption of constant, initial concentrations of radiocarbon in the specimens can differ by several hundreds of years from historical and dendrochronological dates for certain periods over the past 6000 years. H. E. Suess presented the latest determinations of the fluctuation of radiocarbon concentration over the earlier half of this period, as adduced from the current activity of dendrochronologically dated growth rings of the Californian bristlecone pine (Pinus aristata). These data can be used to construct a calibration curve for radiocarbon dates. The carbon-14 concentration increases rather steadily during this time and an attempt to follow the trend further back in time was made in work described by M. Stuiver. He analyzed measurements of the rate of sedimentation in lakes, widely separated geographically, for synchronous events. Such events could be due to past, worldwide climatic changes or to changes of concentration of radiocarbon, as reflected in the calculated dates. These results confirm the change in carbon-14 concentration that occurred before 2500 years ago and indicate that the concentration increases at least during the past 10,000 years. This result is at variance with other correlations, such as the Swedish varve chronology which indicates that the carbon-14 concentration should, at about 8000 years ago, be similar to a value obtained in the 19th century A.D.

---

The real reference for H.E.Suess would be the proceedings of the symposium, not this article, and he also quotes from M. Stuiver who is NOT credited. Sloppy, careless and irrelevant.I'll bet you can google the citation and ONLY get creationist sites.This is a typical creationist lie - a wrong reference.google results:
IwHome.com is for sale | HugeDomains
The resource cannot be found.
Scientific Age of the Earth
http://www.detectingdesign.com/...s/Tree%20Ring%20Dating.pptQED.Creationists don't care for the truth: they don't know how to handle it.Enjoy.Edited by RAZD, : added google resultsEdited by RAZD, : .Edited by RAZD, : quote all the relevant text

---

Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click)

---

we are limited in our ability to understand
by our ability to understand
RebelAAmericanOZen[Deist
... to learn ... to think ... to live ... to laugh ...
to share.

See if you can find this cite.Berger, R. and H.E. Seuss, eds.
1979 Radiocarbon Dating: Proceedings of the Ninth International Conference. University of California Press, Berkeley.A compendium of 64 articles concerning radiocarbon and other dating methods (primarily amino acid racemization). Includes a calibration table based on tree-ring data analyzed up to August 1978 (see Seuss 1980).ORthis one
Seuss, H.E.
1980 The Radiocarbon Record in Tree-rings of the Last 8000 Years. Radiocarbon 22(2):200-209.Documents the short-term periodicity of production of radiocarbon in the atmosphere.Edited by jar, : add second cite

---

Aslan is not a Tame Lion

sounds good, but they are after the science article ... vol 157 was published 11 AUGUST 1967

The Radiocarbon Record in Tree-rings of the Last 8000 Years., Seuss, H.E. Radiocarbon 22(2):200-209.Edited by RAZD, : wow

Radiometric Dating

Why are we still dealing with this issue on radiometric dating?Radiometric dating cannot be PROVEN to be reliable, especially in dating inorganic material, there are too many assumptions. It sounds great on the surface, but there are three fundamental ASSUMPTIONS that must be made.1. We must know how much radioactive material we have started with. Any slight amount has an exponential effect on the date. The formula is very basic(1/2)n x massi = massf, where n= number of half lives. n is what we are trying to find, massf is what we know. We do not know massi, the mass we started with. We have to assume we know how much we start with. Could somebody please explain how we can tell, sitting here today, how much radioactive isotope we started with.2. There is no radioactive material that has moved in or out during or after the formation of the substance. During the formation, whether it is hundreds or millions of years, how in the world can we determine this.3. That the rate of decay is constant. Well, if you measure the decay rate for say, 1 year, or even a 100 years, and determine the decay rate to be 4 million years, this is an extreme extrapolation, especially for an exponential equation.This is absurd, I can’t believe this is even discussed, there are just too many variables. Radiometric dating is an unreliable source for dating inorganic material. And don’t skirt around the issue and say that I got this off some of the many creationist websites out there and therefore it is somehow invalid. Give me the information, I am into some real, evidence that this is a valid source for dating.Edited by Adminnemooseus, : Added blank lines.