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originally posted by: Phantom423
a reply to: cooperton
I'm sending copies of your emails to the head of the lab advising them that you're pulling the same stunt as your cult friends did at University of Georgia. I'll let you know what their response is.
Carbonates and shells are analyzed along with the IAEA-C1 Cararra marble (process blank) and IAEA-C2 travertine (secondary standard). Freshly crushed IAEA-C1 routinely yields ages >50,000 14C yr BP (Figure 2C). Precrushed, stored powders have shown not to keep well, typically producing ages 55,000 14C yr BP (Figure 2C). IAEA-C2 generally falls within the consensus range at 2σ (Figure 3C), again with scatter likely attributed to some variability observed with the IAEA-C1 process blank.
originally posted by: Phantom423
a reply to: cooperton
From the same paper:
Carbonates and shells are analyzed along with the IAEA-C1 Cararra marble (process blank) and IAEA-C2 travertine (secondary standard). Freshly crushed IAEA-C1 routinely yields ages >50,000 14C yr BP (Figure 2C). Precrushed, stored powders have shown not to keep well, typically producing ages 55,000 14C yr BP (Figure 2C). IAEA-C2 generally falls within the consensus range at 2σ (Figure 3C), again with scatter likely attributed to some variability observed with the IAEA-C1 process blank.
You never even read this paper. You're such a liar.
originally posted by: Phantom423
a reply to: cooperton
"For this reason, only freshly crushed powders are used for the process blank."
originally posted by: Phantom423
a reply to: cooperton
They were RAW SAMPLES. No museum pieces exposed to shellac.
originally posted by: Phantom423
a reply to: cooperton
Why are there no dinosaur bones in the samples?
Because they are testing samples with C14 RADIOMETRIC DATING. Dinosaurs are older than 55,000 years. Therefore, C14 dating is not an accurate method to date dinosaurs - except, of course, for crackpot cults.
originally posted by: dragonridr
Bottom line you cant use C14 to date dinosaur fossils. When an organism is completely fossilized, none of its original tissue, including bone, is preserved.
Abstract: An ash-rich volcaniclastic sandstone immediately underlying dinosaur-rich material from the Danek Bonebed in
the Horseshoe Canyon Formation (HCF), Edmonton, Alberta, Canada, contains accessory zircon, which have been dated
employing U–Pb geochronology. Both laser-ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) and chemical abrasion isotope dilution thermal ionization mass spectrometry (ID-TIMS) U–Pb analyses have been conducted. The zircon age distributions are complex with U–Pb dates ranging from Precambrian to Cretaceous. We consider the youngest ID-TIMS 206Pb/238U date of 71.923 ± 0.068 Ma as the maximum deposition age of the ash-rich sandstone, placing the overlying Danek bonebed in the early Maastrichtian. This age is compatible with the paleontological assemblage from the Danek Bonebed and the regional stratigraphy. The zircon age distribution also implies that the HCF had a complex provenance of the detritus with some Archean and Proterozoic zircons, a group of Mesozoic, and a large compliment of Cretaceous grains.
The results highlight the importance of high precision geochronology in constraining the age of important fossil deposits
Results
Locality and Age
The newly discovered specimen (UALVP [University of Alberta
Laboratory of Vertebrate Paleontology, Edmonton, Alberta,
Canada] 53722) comes from the fluvial deposits of the Wapiti
Formation exposed on the Red Willow River 75 km west of
the city of Grande Prairie in west-central Alberta. Beds
exposed at the site are typical of an active channel belt with
recurrent crevasse splay, organic-rich overbank deposits,
and minor bentonitic paleosols [8, 9]. Ar/Ar dating of an altered
volcanic ash located approximately 2 m above the skeleton
provided an age of 72.58 6 0.09 million years, coeval with
the Drumheller Member of the Horseshoe Canyon Formation
of southern Alberta [10]. The Wapiti Formation represents a Late Cretaceous high-latitude ecosystem, with an estimated
paleolatitude of 65N [11].
originally posted by: Phantom423
a reply to: cooperton
Then C14 is wrong as well - according to you, anyway.
originally posted by: cooperton
Perhaps if an organisms remains were actually millions of years old this would be true, but dinosaurs are not that old that's why their remains contain stretchy soft tissue.
Don't try to overcomplicate it. It's that simple. There's a new paradigm, and the crude theory of evolution will be on its way out soon.
I was looking to get some dinosaur bones carbon dated to determine the validity of these statements and I specifically asked the lab tech if contamination would be a problem, and she sent me a paper that showed methods that ensure all contaminants are removed and that I wouldn't need to worry about shellac.