Items where Author is "Wartho, Jo-Anne (Wartho, J.-A.)"

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Articles in a Scientific Journal - peer-reviewed

Samrock, L. K. , Wartho, J. A. and Hansteen, T. H. (2019) 40Ar-39Ar geochronology of the active phonolitic Cadamosto Seamount, Cape Verde. Lithos, 344-345 . pp. 464-481. DOI 10.1016/j.lithos.2019.07.003.

Biren, M. B. , Wartho, J. A. , Van Soest, M. C. , Hodges, K. V. , Cathey, H. , Glass, B. P., Koeberl, C. , Horton, J. W. and Hale, W. (2019) (U-Th)/He zircon dating of Chesapeake Bay distal impact ejecta from ODP site 1073. Meteoritics & Planetary Science, 54 (8). pp. 1840-1852. DOI 10.1111/maps.13316.

Timm, C. , de Ronde, C. E. J., Hoernle, K. , Cousens, B., Wartho, J. A. , Tontini, F. C., Wysoczanski, R., Hauff, F. and Handler, M. (2019) New Age and Geochemical Data from the Southern Colville and Kermadec Ridges, SW Pacific: Insights into the recent geological history and petrogenesis of the Proto-Kermadec (Vitiaz) Arc. Gondwana Research, 72 . pp. 169-193. DOI 10.1016/j.gr.2019.02.008.

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Mercer, C. M. , Hodges, K. V., Jolliff, B. L., Van Soest, M. C., Wartho, J. A. and Weirich, J. R. (2019) Exploring the variability of argon loss in Apollo 17 impact melt rock 77135 using high-spatial resolution 40 Ar/39 Ar geochronology. Meteoritics & Planetary Science, 54 (4). pp. 721-739. DOI 10.1111/maps.13240.

Dürkefälden, A., Hoernle, K. , Hauff, F. , Wartho, J. A. , van den Bogaard, P. and Werner, R. (2019) Age and geochemistry of the Beata Ridge: Primary formation during the main phase (~89 Ma) of the Caribbean large Igneous Province. Lithos, 328-329 . pp. 69-87. DOI 10.1016/j.lithos.2018.12.021.

Homrighausen, S., Hoernle, K. , Hauff, F. , Wartho, J. A. , van den Bogaard, P. and Garbe-Schönberg, D. (2019) New age and geochemical data from the Walvis Ridge: The temporal and spatial diversity of South Atlantic intraplate volcanism and its possible origin. Geochimica et Cosmochimica Acta, 245 . pp. 16-34. DOI 10.1016/j.gca.2018.09.002.

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Kaulfuss, U., Lee, D. E., Wartho, J. A. , Bowie, E., Lindqvist, J. K., Conran, J. G., Bannister, J. M., Mildenhall, D. C., Kennedy, E. M. and Gorman, A. R. (2018) Geology and palaeontology of the Hindon Maar Complex: A Miocene terrestrial fossil Lagerstätte in southern New Zealand. Palaeogeography, Palaeoclimatology, Palaeoecology, 500 . pp. 52-68. DOI 10.1016/j.palaeo.2018.03.022.

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Homrighausen, S., Hoernle, K. , Hauff, F. , Geldmacher, J. , Wartho, J. A. , van den Bogaard, P. and Garbe-Schönberg, D. (2018) Global distribution of the HIMU end member: Formation through Archean plume-lid tectonics. Earth-Science Reviews, 182 . pp. 85-101. DOI 10.1016/j.earscirev.2018.04.009.

Homrighausen, S., Hoernle, K. , Geldmacher, J. , Wartho, J. A. , Hauff, F. , Portnyagin, M., Werner, R., van den Bogaard, P. and Garbe-Schönberg, D. (2018) Unexpected HIMU-type late-stage volcanism on the Walvis Ridge. Earth and Planetary Science Letters, 492 . pp. 251-263. DOI 10.1016/j.epsl.2018.03.049.

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Fox, B. R. S., D'Andrea, W. J., Wilson, G. S., Lee, D. E. and Wartho, J. A. (2017) Interaction of polar and tropical influences in the mid-latitudes of the Southern Hemisphere during the Mi-1 deglaciation. Global and Planetary Change, 155 . pp. 109-120. DOI 10.1016/j.gloplacha.2017.06.008.

Schultz, M. H., Hodges, K. V., Ehlers, T. A., van Soest, M. and Wartho, J. A. (2017) Thermochronologic constraints on the slip history of the South Tibetan detachment system in the Everest region, southern Tibet. Earth and Planetary Science Letters, 459 . pp. 105-117. DOI 10.1016/j.epsl.2016.11.022.

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Biren, M. B., van Soest, M. C., Wartho, J. A. , Hodges, K. V. and Spray, J. G. (2016) Diachroneity of the Clearwater West and Clearwater East impact structures indicated by the (U–Th)/He dating method. Earth and Planetary Science Letters, 453 . pp. 56-66. DOI 10.1016/j.epsl.2016.07.053.

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Bornemann, N. L., Hodges, K. V., Wartho, J. A. , van Soest, M. C., Bohon, W., Cronk, S. S. and Ahmad, T. (2015) Age and structure of the Shyok Suture in the Ladakh region of Northwestern India: Implications for slip on the Karakoram Fault System. Open Access Tectonics, 34 (10). pp. 2011-2033. DOI 10.1002/2015TC003933.

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Adams, B. A., Hodges, K. V., Whipple, K. X., Ehlers, T. A., van Soest, M. C. and Wartho, J. A. (2015) Constraints on the tectonic and landscape evolution of the Bhutan Himalaya from thermochronometry. Open Access Tectonics, 34 (6). pp. 1329-1347. DOI 10.1002/2015TC003853.

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Mercer, C. M., Young, K. E., Weirich, J. R., Hodges, K. V., Jolliff, B. L., Wartho, J. A. and van Soest, M. C. (2015) Refining lunar impact chronology through high spatial resolution 40Ar/39Ar dating of impact melts. Open Access Science Advances, 1 (1). e1400050. DOI 10.1126/sciadv.1400050.

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Fox, B. R. S., Wartho, J. A. , Wilson, G. S., Lee, D. E., Nelson, F. E. and Kaulfuss, U. (2015) Long-term evolution of an Oligocene/Miocene maar lake from Otago, New Zealand. Geochemistry, Geophysics, Geosystems, 16 (1). pp. 59-76. DOI 10.1002/2014GC005534.

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Tapia, C. A., Wilson, G. S., Ishman, S. E., Wilke, H. G., Wartho, J. A. , Winter, D. and Martínez-Pardo, R. (2015) An integrated sequence stratigraphic and chronostratigraphic analysis of the Pliocene, Tiburon Basin succession, Mejillones Peninsula, Chile. Global and Planetary Change, 131 . pp. 124-147. DOI 10.1016/j.gloplacha.2015.05.005.

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Biren, M. B., van Soest, M. C., Wartho, J. A. and Spray, J. G. (2014) (U-Th)/He Dating of Uplift-Induced Cooling in a Complex Terrestrial Impact Structure: The Manicouagan Example. Chemical Geology, 377 . pp. 56-71. DOI 10.1016/j.chemgeo.2014.03.013.

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Long, S. P., McQuarrie, N., Tobgay, T., Coutand, I., Cooper, F. J., Reiners, P. W., Wartho, J. A. and Hodges, K. V. (2012) Variable shortening rates in the eastern Himalayan thrust belt, Bhutan: Insights from multiple thermochronologic and geochronologic data sets tied to kinematic reconstructions. Tectonics, 31 (5). TC5004. DOI 10.1029/2012TC003155.

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Ueda, K., Jacobs, J., Thomas, R. J., Kosler, J., Horstwood, M. S. A., Wartho, J. A. , Jourdan, F., Emmel, B. and Matola, R. (2012) Postcollisional high-grade metamorphism, orogenic collapse, and differential cooling of the East African Orogen of Northeast Mozambique. Journal of Geology, 120 (5). pp. 507-530. DOI 10.1086/666876.

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Wartho, J. A. , Van Soest, M. C., King, D. T. and Petruny, L. W. (2012) An (U-Th)/He age for the shallow-marine Wetumpka impact structure, Alabama, USA. Meteoritics & Planetary Science, 47 (8). pp. 1243-1255. DOI 10.1111/j.1945-5100.2012.01381.x.

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van Soest, M. C., Hodges, K. V., Wartho, J. A. , Biren, M. B., Monteleone, B. D., Ramezani, J., Spray, J. G. and Thompson, L. M. (2011) (U-Th)/He dating of terrestrial impact structures: The Manicouagan example. Geochemistry, Geophysics, Geosystems, 12 (5). QOAA16. DOI 10.1029/2010GC003465.

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Li, Z. X., Li, X. H., Wartho, J. A. , Clark, C., Li, W. X., Zhang, C. L. and Bao, C. (2010) Magmatic and metamorphic events during the early Paleozoic Wuyi-Yunkai orogeny, southeastern South China: New age constraints and pressure-temperature conditions. Geological Society of America Bulletin, 122 (5-6). pp. 772-793. DOI 10.1130/B30021.1.


Emmel, B., Jöns, N., Kroner, A., Jacobs, J., Wartho, J. A. , Schenk, V., Razakamanana, T. and Austegard, A. (2008) From closure of the Mozambique Ocean to Gondwana breakup: New evidence from geochronological data of the Vohibory terrane, southwest Madagascar. Journal of Geology, 116 (1). pp. 21-38. DOI 10.1086/524121.

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Spaggiari, C. V., Wartho, J. A. and Wilde, S. A. (2008) Proterozoic deformation in the northwest of the Archean Yilgarn Craton, Western Australia. Precambrian Research, 162 . pp. 354-384. DOI 10.1016/j.precamres.2007.10.004.

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Li, Z. X., Wartho, J. A. , Occhipinti, S., Zhang, C. L., Li, X. H., Wang, J. and Bao, C. (2007) Early history of the eastern Sibao Orogen (South China) during the assembly of Rodinia: New mica 40Ar/39Ar dating and SHRIMP U–Pb detrital zircon provenance constraints. Precambrian Research, 159 (1-2). pp. 79-94. DOI 10.1016/j.precamres.2007.05.003.


Wartho, J. A. , Kelley, S. P. and Elphick, S. C. (2005) Estimates of Ar diffusion and solubility in leucite and nepheline: Electron microprobe imaging of Ar distribution in a mineral. American Mineralogist, 90 (5-6). pp. 954-962. DOI 10.2138/am.2005.1320.

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Willner, A. P., Thomson, S. N., Kröner, A., Wartho, J. A. , Wijbrans, J. and Hervé, F. (2005) Time Markers for the Evolution and Exhumation History of a Late Palaeozoic Paired Metamorphic Belt in North-Central Chile (34°-35°30'S). Journal of Petrology, 46 (9). pp. 1835-1858. DOI 10.1093/petrology/egi036.

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Haines, P. W., Turner, S. P., Kelley, S. P., Wartho, J. A. and Sherlock, S. C. (2004) 40Ar–39Ar dating of detrital muscovite in provenance investigations: a case study from the Adelaide Rift Complex, South Australia. Earth and Planetary Science Letters, 227 (3-4). pp. 297-311. DOI 10.1016/j.epsl.2004.08.020.

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Brooker, R. A., Du, Z., Blundy, J. D., Kelley, S. P., Allan, N. L., Wood, B. J., Chamorro, E. M., Wartho, J. A. and Purton, J. A. (2003) The ‘zero charge’ partitioning behaviour of noble gases during mantle melting. Nature, 423 (6941). pp. 738-741. DOI 10.1038/nature01708.

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Müller, W., Friche, H., Halliday, A. N., McColloch, M. T. and Wartho, J. A. (2003) Origin and Migration of the Alpine Iceman. Science, 302 (5646). pp. 862-866. DOI 10.1126/science.1089837.

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Chamorro, E. M., Brooker, R. A., Wartho, J. A. , Wood, B. J., Kelley, S. P. and Blundy, J. D. (2002) Ar and K partitioning between clinopyroxene and silicate melt to 8 GPa. Geochimica et Cosmochimica Acta, 66 (3). pp. 507-519. DOI 10.1016/S0016-7037(01)00784-0.

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Kempton, P. D., Downes, H., Neymark, L., Wartho, J. A. , Sharkov, E. V. and Zartman, R. (2001) Garnet Granulite Xenoliths from the Northern Baltic Shield--the Underplated Lower Crust of a Palaeoproterozoic Large Igneous Province?. Journal of Petrology, 42 (4). pp. 731-763. DOI 10.1093/petrology/42.4.731.

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Wartho, J. A. , Kelley, S. P. and Blake, S. (2001) Magma flow regimes in sills deduced from Ar isotope systematics of host rocks. Journal of Geophysical Research - Solid Earth, 106 (B3). pp. 4017-4036. DOI 10.1029/2000JB900327.

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Kelley, S. P. and Wartho, J. A. (2000) Rapid Kimberlite Ascent and the Significance of Ar-Ar Ages in Xenolith Phlogopites. Science, 289 (5479). pp. 609-611. DOI 10.1126/science.289.5479.609.

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Wartho, J. A. , Kelley, S. P., Brooker, R. A., Carroll, M. R., Villa, I. M. and Lee, M. R. (1999) Direct measurement of Ar diffusion profiles in a gem-quality Madagascar K-feldspar using the ultra-violet laser ablation microprobe (UVLAMP). Earth and Planetary Science Letters, 170 (1-2). pp. 141-153. DOI 10.1016/S0012-821X(99)00088-6.

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Brooker, R. A., Wartho, J. A. , Carroll, M. R., Kelley, S. P. and Draper, D. S. (1998) Preliminary UVLAMP determinations of argon partition coefficients for olivine and clinopyroxene grown from silicate melts. Chemical Geology, 147 (1-2). pp. 185-200. DOI 10.1016/S0009-2541(97)00181-2.

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Wartho, J. A. (1995) Apparent argon diffusive loss 40Ar/39Ar age spectra in amphiboles. Earth and Planetary Science Letters, 134 (3-4). pp. 393-407. DOI 10.1016/0012-821X(95)00113-Q.

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Rex, D. C., Guise, P. G. and Wartho, J. A. (1993) Disturbed 40Ar/39Ar spectra from hornblendes: Thermal loss or contamination?. Chemical Geology, 103 (1-4). pp. 271-281. DOI 10.1016/0009-2541(93)90306-4.

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Wartho, J. A. , Dodson, M. H., Rex, D. C. and Guise, P. G. (1991) Mechanisms of Ar release from Himalayan metamorphic hornblende. American Mineralogist, 76 . pp. 1446-1448.

Book chapters

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Wartho, J. A. , Kelley, S. P. and Elphick, S. C. (2014) Ar diffusion and solubility measurements in plagioclases using the ultra-violet laser depth-profiling technique. In: Advances in 40 Ar/39 Ar dating : from archaeology to planetary sciences. , ed. by Jourdan, F.. Geological Society Special Publications, 378 . Geological Society, London, pp. 137-154. ISBN 978-1-86239-360-8 DOI 10.1144/SP378.13.

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Daszinnies, M. C., Jacobs, J., Wartho, J. A. and Grantham, G. H. (2009) Post Pan-African thermo-tectonic evolution of the north Mozambican basement and its implication for the Gondwana rifting. Inferences from 40Ar/39Ar hornblende, biotite and titanite fission-track dating. In: Thermochronological methods : from palaeotempertature constraints to landscape evolution models. , ed. by Lisker, F.. Geological Society Special Publications, 324 . Geological Society, London, pp. 261-286. ISBN 978-1-86239-285-4 DOI 10.1144/SP324.18.


Wartho, J. A. and Kelley, S. P. (2003) 40Ar/39Ar ages in mantle xenolith phlogopites: determining the ages of multiple lithospheric mantle events and diatreme ascent rates in southern Africa and Malaita, Solomon Islands. In: Geochronology: Linking the Isotopic Record with Petrology and Textures. , ed. by Vance, D.. Geological Society Special Publications, 220 . Geological Society , London, pp. 231-248. ISBN 1-86239-146-7 DOI 10.1144/GSL.SP.2003.220.01.14.

Presentations

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Wartho, J. A. , Samrock, L. and Hansteen, T. (2019) Antecrysts – angels or devils in 40Ar/39Ar geochronology? Examples from Cape Verde seamounts. Open Access [Talk] In: GeoMünster 2019. , 22.-25.09.2019, Münster, Germany .

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Hoernle, K. , Höfig, T., Bezard, R., Portnyagin, M., Hauff, F. , Wartho, J. A. , Pfänder, J., Jicha, B. R., Krebs, N., Werner, R., Yogodzinski, G. and Müller, D. (2018) New Insights into the Formation and Evelution of the Aleutian Arc. Open Access [Invited talk] In: AGU Fall Meeting 2018. , 10.-14.12.2018, Washington, D.C., USA .


Hoernle, K. A. , Hauff, F. , Homrighausen, S., Rohde, J., Dürkefälden, A., Werner, R., Geldmacher, J. , Portnyagin, M. V., Garbe-Schönberg, C. D., van den Bogaard, P. and Wartho, J. A. (2018) New Developments in Understanding the Origin of South Atlantic Intraplate Volcanism (Tristan-Gough-Walvis, Discovery Shona volcanic tracks). [Invited talk] In: GeoBonn 2018. , 02.09.-06.09.2018, Bonn, Germany .


Hoernle, K. , Homrighausen, S., Hauff, F. , Werner, R., Portnyagin, M., Geldmacher, J. , Garbe-Schönberg, D., van den Bogaard, P. and Wartho, J. A. (2018) Geochemistry of South Atlantic Hotspots: Intimate Association of EMI & HIMU End Members. [Talk] In: Goldschmidt Conference 2018. , 12.08.-17.08.2018, Boston, USA .

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Homrighausen, S., Hoernle, K. , Geldmacher, J. , Hauff, F. , Portnyagin, M., Werner, R., Schaefer, B. F., Wartho, J. A. and Garbe-Schönberg, D. (2018) Temporal and geochemical evolution of the Afanasy Nikitin -85° E Ridge, Central Indian Ocean, R/V Sonne cruise SO258/1 . Open Access [Talk] In: AGU Fall Meeting 2018. , 10.-14.12.2018, Washington, D.C., USA .

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Samrock, L. , Hansteen, T. H. and Wartho, J. A. (2017) 40Ar-39Ar age clustering in the active phonolitic Cadamosto Seamount (Cape Verdes): Indications for periodic magmatic activity. Open Access [Talk] In: AGU Fall Meeting 2017. , 11.12. - 15.12.2017, New Orleans, USA .


Schultz, M., Hodges, K. V., Ehlers, T. A., Van Soest, M. C., Wartho, J. A. and McDonald, C. (2016) A systematic thermochronologic transect across the Himalayan rain shadow is consistent with coupling of precipitation patterns and Pliocene-recent exhumation . [Talk] In: GSA Annual Meeting 2016. , 25.-28.09.2016, Denver, Colorado, USA .

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Biren, M. B., Wartho, J. A. , van Soest, M. C., Hodges, K. V. and Spray, J. G. (2015) Diachroneity of the Clearwater west and Clearwater east impact structures supported by (U-Th)/He dating. [Talk] In: 46. Lunar and Planetary Science Conference (2015). , 16.-20.03.2015, The Woodlands, Texas, USA ; p. 2690 .


Mercer, C., Hodges, K., Jolliff, B., van Soest, M., Wartho, J. A. and Weirich, J. (2015) Spatially resolved, correlated variations in apparent 40Ar/39Ar ages and Ca/K ratios in Apollo 17 impact melt breccia 77135.. [Talk] In: Meteoritical Society Workshop “The first 1 Ga of impact records”. , 07.2015, Berkeley, CA, USA .


Schultz, M., Hogdes, K., van Soest, M. and Wartho, J. A. (2015) Exploring the Variability of Late Cenozoic Exhumation Rates across the Himalayan Rain Shadow. [Talk] In: Geological Society of America Annual Meeting 2015. , 01.-04.11.2015, Baltimore, Maryland, USA .


Wartho, J. A. , Li, Z. X., Occhipinti, S. A. and Reddy, S. (2008) 40Ar/39Ar UV laser dating, EBSD and EMP analysis of 1040-940 Ma metamorphic/deformation/cooling events recorded in Sibao Orogen white micas, South China. [Talk] In: Goldschmidt Conference 2008. , 13.-18.07.2008, Vancouver, Canada .

Conference posters

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Geldmacher, J. , Long, X., Hoernle, K. , Hauff, F. , Wartho, J. A. , Garbe-Schönberg, D. and Grevemeyer, I. (2018) Origin and age of the Researcher Ridge Seamount Chain (Central Atlantic). Open Access [Poster] In: AGU Fall Meeting 2018. , 10.-14.12.2018, Washington, D.C., USA .


Long, X., Geldmacher, J. , Hoernle, K. A. , Hauff, F. , Wartho, J. A. , Garbe-Schönberg, D. and Grevemeyer, I. (2018) Age and origin of Researcher Ridge in Central Atlantic. [Poster] In: GeoBonn 2018. , 02.09.-06.09.2018, Bonn, Germany .


Samrock, L. , Wartho, J. A. , Hansteen, T. H. and Dullo, C. (2018) Crumbling Away: 40Ar-39Ar Dating of a Large Miocene Mass Wasting Period on Maio Island (Cape Verde). [Poster] In: AGU Fall Meeting 2018. , 10.-14.12.2018, Washington, D.C., USA .

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Biren, M. B., Wartho, J. A. , van Soest, M. C., Hodges, K. V., Glass, B. P., Koeberl, C., Horton, J. W. J. and Hale , W. (2015) The (U-Th)/He isotope system applied to the dating of distal ejecta from the Chesapeake Bay impact structure. [Poster] In: 46. Lunar and Planetary Science Conference (2015). , 16.-20.03.2015, The Woodlands, Texas, USA ; p. 2722 .


Mercer, C., Hodges, K., Jolliff, B., van Soest, M., Wartho, J. A. and Weirich, J. (2015) High Spatial Resolution 40Ar/39Ar Geochronology of Impact Melt Breccias from Apollo 17 Boulders at Stations 2, 6, and 7. [Poster] In: AGU Fall Meeting 2015. , 14.-18.12.2015, San Francisco, USA .


Schultz, M., Hodges, K., Jolliff, B., van Soest, M. and Wartho, J. A. (2015) Exploring the Variability of Late Cenozoic Exhumation Rates across the Himalayan Rain Shadow. [Poster] In: AGU Fall Meeting 2015. , 14.-18.12.2015, San Francisco, USA .

Reports - other reports

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Hoernle, K. , Werner, R., Jolis, E. M., Hauff, F. , Wartho, J. A. , Jacques, G., Timm, C. and Gohl, K. (2018) SO246 Chatham Rise - Chatham Rise (Neuseeland): Kompressions-, Extensions- und Abbruchmechanismen eines submarinen Kontinentalplateaus ; Abschlussbericht, 03G0246B, Berichtszeitraum: 01. November 2015 - 30. April 2018 . Open Access . GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel, 16 pp. DOI 10.2314/GBV:1043713336 .

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Hoernle, K. , Werner, R., Hauff, F. , Jacques, G., Wartho, J. A. and Uenzelmann-Neben, G. (2016) SO-232 [SO232] SLIP : Suspected Large Igneous Province - Handelt es sich beim Mozambique Rücken um eine Large Igneous Province? : Abschlussbericht, 03G0232B, Berichtszeitraum: 01. Januar 2014 bis 30. Juni 2016. Open Access . GEOMAR Helmholtz-Zentrum für Ozeanforschung, Kiel, Germany, 13 pp. DOI 10.2314/GBV:884503836 .

This list was generated on Mon Aug 26 01:29:31 2019 CEST.