This paper was originally published in the Proceedings of the Third International Conference on Creationism, pp.497–504 (1994) and is reproduced here with the permission of the Creation Science Fellowship of Pittsburgh.I am very easy going, I'm like to swim and do handmake when i have free time. I not Most of the time, I like to go with the flow, I'm very easy going, with a kind, gentle caring nature you arcountry side, or perhaps on the beach somewhere I love beach holidays,.Because no geologically meaningful results can be interpreted from the U-Th-Pb data at Koongarra (three uraninite grains even yield a Pb “age” of 0 Ma), serious questions must be asked about the validity of the fundamental/foundational basis of the U-Th-Pb “dating” method.This makes the task of creationists building their model for the geological record much easier, since claims of U-Th-Pb radiometric “dating” having “proven” the claimed great antiquity of the earth, its strata and fossils can be safely side-stepped.Owing to the isoclinal recumbent folding of metasedimentary units of the Cahill Formation, the typical rock sequence encountered at Koongarra is probably a tectono-stratigraphy (from youngest to oldest.) foliation of the schist sequence, which at Koongarra dips at 55° to the south-east.
One such geological setting that yields these false U-Th-Pb isochrons is the Koongarra uranium deposit and the surrounding area (Northern Territory, Australia).In his conclusion in a recent paper exposing shortcomings and criticizing the validity of the popular rubidium-strontium (Rb-Sr) isochron method, Zheng wrote: . Zheng documented the copious reporting of this problem in the literature where various names had been given to these anomalous isochrons, such as apparent isochron, mantle isochron and pseudoisochron, secondary isochron, source isochron, erupted isochron, mixing line, and mixing isochron.Similar anomalous or false isochrons are commonly obtained from U-Th-Pb data, which is hardly surprising given the common open system behavior of the U-Th-Pb system.The Koongarra area is 250 km east of Darwin (Northern Territory, Australia) at latitude 12°52'S and longitude 132°50'E.
The regional geology has been described in detail by Needham and Stuart-Smith2 and by Needham,34 while Snelling5 describes the Koongarra uranium deposit and the area’s local geology.
There are two discrete uranium orebodies at Koongarra, separated by a 100 m wide barren zone. 1) orebody has a strike length of 450 m and persists to 100 m depth.