Search Results - "Ickert, R.  B."

Ti in zircon from the Boggy Plain zoned pluton: implications for zircon petrology and Hadean tectonics by Ickert, R. B., Williams, I. S., Wyborn, D.

“…The understanding of zircon crystallization, and of the Ti-in-zircon thermometer, has been enhanced by Ti concentration measurements of zircon from a small,…”
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U-Pb zircon geochronology of Silurian-Devonian granites in southeastern Australia: implications for the timing of the Benambran Orogeny and the I-S dichotomy by Ickert, R. B, Williams, I. S

“…Despite extensive geochemical study and their importance to granite studies, the geochronology of Silurian to early-Devonian granitic rocks of southeastern…”
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Rare K 40 Decay with Implications for Fundamental Physics and Geochronology by Stukel, M., Hariasz, L., Di Stefano, P. C. F., Rasco, B. C., Rykaczewski, K. P., Brewer, N. T., Stracener, D. W., Liu, Y., Gai, Z., Rouleau, C., Carter, J., Kostensalo, J., Suhonen, J., Davis, H., Lukosi, E. D., Goetz, K. C., Grzywacz, R. K., Mancuso, M., Petricca, F., Fijałkowska, A., Wolińska-Cichocka, M., Ninkovic, J., Lechner, P., Ickert, R. B., Morgan, L. E., Renne, P. R., Yavin, I.

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Origin of eclogite and pyroxenite xenoliths from the Victor kimberlite, Canada, and implications for Superior craton formation by Smit, K.V., Stachel, T., Creaser, R.A., Ickert, R.B., DuFrane, S.A., Stern, R.A., Seller, M.

“…A suite of 30 eclogite and pyroxenite xenoliths recovered from the Jurassic Victor kimberlite in the western Superior Province are investigated to determine…”
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Rare $^{40}$K decay with implications for fundamental physics and geochronology by Stukel, M, Hariasz, L, Di Stefano, P. C. F, Rasco, B. C, Rykaczewski, K. P, Brewer, N. T, Stracener, D. W, Liu, Y, Gai, Z, Rouleau, C, Carter, J, Kostensalo, J, Suhonen, J, Davis, H, Lukosi, E. D, Goetz, K. C, Grzywacz, R. K, Mancuso, M, Petricca, F, Fijałkowska, A, Wolińska-Cichocka, M, Ninkovic, J, Lechner, P, Ickert, R. B, Morgan, L. E, Renne, P. R, Yavin, I

“…Physical Review Letters, 131-052503 (2023) Potassium-40 is a widespread, naturally occurring isotope whose radioactivity impacts subatomic rare-event searches,…”
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Evidence for ground-state electron capture of $^{40}$K by Hariasz, L, Stukel, M, Di Stefano, P. C. F, Rasco, B. C, Rykaczewski, K. P, Brewer, N. T, Stracener, D. W, Liu, Y, Gai, Z, Rouleau, C, Carter, J, Kostensalo, J, Suhonen, J, Davis, H, Lukosi, E. D, Goetz, K. C, Grzywacz, R. K, Mancuso, M, Petricca, F, Fijałkowska, A, Wolińska-Cichocka, M, Ninkovic, J, Lechner, P, Ickert, R. B, Morgan, L. E, Renne, P. R, Yavin, I

“…Physical Review C, 108-014327 (2023) Potassium-40 is a widespread isotope whose radioactivity impacts estimated geological ages spanning billions of years,…”
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The Variscan subduction inheritance in the Southern Alps Sub-Continental Lithospheric Mantle: Clues from the Middle Triassic shoshonitic magmatism of the Dolomites (NE Italy) by Casetta, F., Ickert, R.B., Mark, D.F., Giacomoni, P.P., Bonadiman, C., Ntaflos, T., Zanetti, A., Coltorti, M.

“…Although often speculated, the link between the Middle Triassic shoshonitic magmatism at the NE margin of the Adria plate and the subduction-related…”
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From the Middle Triassic Cima Pape complex (Dolomites; Southern Alps) to the feeding systems beneath active volcanoes: Clues from clinopyroxene textural and compositional zoning by Nardini, N., Casetta, F., Ickert, R.B., Mark, D.F., Ntaflos, T., Zanetti, A., Coltorti, M.

“…Crystal zoning plays a fundamental role in modern volcanology as a key to unravel the geometry and the dynamics of plumbing systems. In this study, a detailed…”
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Determining high precision, in situ, oxygen isotope ratios with a SHRIMP II: Analyses of MPI-DING silicate-glass reference materials and zircon from contrasting granites by Ickert, R.B., Hiess, J., Williams, I.S., Holden, P., Ireland, T.R., Lanc, P., Schram, N., Foster, J.J., Clement, S.W.

“…The development of new techniques and instrumentation on the ANU SHRIMP II ion microprobe has made it possible to measure the oxygen isotope ratios of…”
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IUPAC-IUGS recommendation on the half-lives of 147Sm and 146Sm by Villa, I.M., Holden, N.E., Possolo, A., Ickert, R.B., Hibbert, D.B., Renne, P.R.

“…The IUPAC-IUGS joint Task Group “Isotopes in Geosciences” recommends a value of (106.25 ± 0.38) Ga for the half-life of 147Sm, and a corresponding decay…”
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Rare K40 Decay with Implications for Fundamental Physics and Geochronology by Stukel, M., Hariasz, L., Di Stefano, P.  C. F., Rasco, B. Charlie, Rykaczewski, Krzysztof  P., Brewer, Nathan  T., Stracener, Dan  W., Liu, Yuan, Gai, Z., Rouleau, C., Carter, J., Kostensalo, J., Suhonen, J., Davis, H., Lukosi, E.  D., Goetz, K.  C., Grzywacz, Robert  K., Mancuso, M., Petricca, F., Fijałkowska, A., Wolińska-Cichocka, Marzena, Ninkovic, J., Lechner, P., Ickert, R.  B., Morgan, L.  E., Renne, P.  R., Yavin, I.

“…Potassium-40 is a widespread, naturally occurring isotope whose radioactivity impacts subatomic rare-event searches, nuclear structure theory, and estimated…”
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In situ oxygen-isotope, major-, and trace-element constraints on the metasomatic modification and crustal origin of a diamondiferous eclogite from Roberts Victor, Kaapvaal Craton by Riches, A.J.V., Ickert, R.B., Pearson, D.G., Stern, R.A., Jackson, S.E., Ishikawa, A., Kjarsgaard, B.A., Gurney, J.J.

“…A subducted oceanic crustal origin for most eclogite xenoliths in kimberlites has long been a cornerstone of tectonic models for craton development. However,…”
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Diamond from recycled crustal carbon documented by coupled delta 18O- delta 13C measurements of diamonds and theirinclusions by Ickert, R B, Stachel, T, Stern, R A, Harris, J W

“…The origin of variability in delta 13C values of cratonic diamonds is controversial, particularly for diamonds associated with eclogitic source rocks. The…”
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An oxygen isotope test for the origin of Archean mantle roots by Regier, M.E., Mišković, A., Ickert, R.B., Pearson, D.G., Stachel, T., Stern, R.A., Kopylova, M.

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Rare ^{40}K Decay with Implications for Fundamental Physics and Geochronology by Stukel, M, Hariasz, L, Di Stefano, P C F, Rasco, B C, Rykaczewski, K P, Brewer, N T, Stracener, D W, Liu, Y, Gai, Z, Rouleau, C, Carter, J, Kostensalo, J, Suhonen, J, Davis, H, Lukosi, E D, Goetz, K C, Grzywacz, R K, Mancuso, M, Petricca, F, Fijałkowska, A, Wolińska-Cichocka, M, Ninkovic, J, Lechner, P, Ickert, R B, Morgan, L E, Renne, P R, Yavin, I

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Production of 40Ar by an overlooked mode of 40K decay with implications for K-Ar geochronology by Carter, Jack, Ickert, Ryan B, Mark, Darren F, Tremblay, Marissa M, Cresswell, Alan J, Sanderson, David C W

“…The decay of 40K to the stable isotopes 40Ca and 40Ar is used as a measure of time for both the K-Ca and K-Ar geochronometers, the latter of which is most…”
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The current status of zircon oxygen micro-isotopic analysis using SHRIMP II by Williams, I.S., Holden, P., Hiess, J.M., Ickert, R.B.

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