PerthBloke556 Posted June 26, 2022 Share Posted June 26, 2022 (edited) Hi all, would love your thoughts on what this might be. Found it in Tamala limestone aka Coastal Limestone that dates back to the Pleistocene Age. The circular parts about 1" in diameter. Edited June 26, 2022 by PerthBloke556 Identified Link to comment Share on other sites More sharing options...
Oxytropidoceras Posted June 26, 2022 Share Posted June 26, 2022 (edited) It might be a solution pipe in limestone. Solution pipes: Lipar, M., Szymczak, P., White, S.Q. and Webb, J.A., 2021. Solution pipes and focused vertical water flow: Geomorphology and modelling. Earth-Science Reviews, 218, no.103635. Papers by Dr. Matej Lipar Tamala Limestone: Lipar, M. and Webb, J.A., 2014. Middle–late Pleistocene and Holocene chronostratigraphy and climate history of the Tamala Limestone, Cooloongup and Safety Bay Sands, Nambung National Park, southwestern Western Australia. Australian Journal of Earth Sciences, 61(8), pp.1023-1039. Lipar, M. and Webb, J.A., 2015. The formation of the pinnacle karst in Pleistocene aeolian calcarenites (Tamala Limestone) in southwestern Australia. Earth-Science Reviews, 140, pp.182-202. Ward, I., Pietsch, T.J., Rhodes, E.J., Miller, G.H., Hellstrom, J. and Dortch, C.E., 2016. Chronostratigraphic context for artefact-bearing palaeosols in late Pleistocene Tamala Limestone, Rottnest Island, Western Australia. Journal of the Royal Society of Western Australia, 99(1), pp.17-26. Yours, Paul H. Edited June 26, 2022 by Oxytropidoceras missing word and added links to PDF files 1 Link to comment Share on other sites More sharing options...
doushantuo Posted June 26, 2022 Share Posted June 26, 2022 I think Paul has got it spot on,here Link to comment Share on other sites More sharing options...
PerthBloke556 Posted June 26, 2022 Author Share Posted June 26, 2022 39 minutes ago, Oxytropidoceras said: It might be a solution pipe in limestone. Solution pipes: Lipar, M., Szymczak, P., White, S.Q. and Webb, J.A., 2021. Solution pipes and focused vertical water flow: Geomorphology and modelling. Earth-Science Reviews, 218, no.103635. Papers by Dr. Matej Lipar Tamala Limestone: Lipar, M. and Webb, J.A., 2014. Middle–late Pleistocene and Holocene chronostratigraphy and climate history of the Tamala Limestone, Cooloongup and Safety Bay Sands, Nambung National Park, southwestern Western Australia. Australian Journal of Earth Sciences, 61(8), pp.1023-1039. Lipar, M. and Webb, J.A., 2015. The formation of the pinnacle karst in Pleistocene aeolian calcarenites (Tamala Limestone) in southwestern Australia. Earth-Science Reviews, 140, pp.182-202. Ward, I., Pietsch, T.J., Rhodes, E.J., Miller, G.H., Hellstrom, J. and Dortch, C.E., 2016. Chronostratigraphic context for artefact-bearing palaeosols in late Pleistocene Tamala Limestone, Rottnest Island, Western Australia. Journal of the Royal Society of Western Australia, 99(1), pp.17-26. Yours, Paul H. Bingo thanks! That's it now to find some media holding megaladon teeth... :D Link to comment Share on other sites More sharing options...
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