These are the references the publisher has listed as being connected to the article. Please check the article itself for the full list of references which may differ. Not all references are currently linkable within the Digital Library.
| |
| |
| |
| |
| Affek, Hagit P., Bar-Matthews, Miryam, Ayalon, Avner, Matthews, Alan, Eiler, John M. (2008) Glacial/interglacial temperature variations in Soreq cave speleothems as recorded by ‘clumped isotope’ thermometry. Geochimica et Cosmochimica Acta, 72 (22) 5351-5360 doi:10.1016/j.gca.2008.06.031 |
| Affek, Hagit P., Matthews, Alan, Ayalon, Avner, Bar-Matthews, Miryam, Burstyn, Yuval, Zaarur, Shikma, Zilberman, Tami (2014) Accounting for kinetic isotope effects in Soreq Cave (Israel) speleothems. Geochimica et Cosmochimica Acta, 143. 303-318 doi:10.1016/j.gca.2014.08.008 |
| |
| |
| |
| |
| Bea (2012) Vadose Zo. J. Reactive transport modeling of natural carbon sequestration in ultramafic mine tailings 11 |
| |
| |
| Blank, J.G., Green, S.J., Blake, D., Valley, J.W., Kita, N.T., Treiman, A., Dobson, P.F. (2009) An alkaline spring system within the Del Puerto Ophiolite (California, USA): A Mars analog site. Planetary and Space Science, 57 (5) 533-540 doi:10.1016/j.pss.2008.11.018 |
| Bodenlos (1950) Calif. J. Mines Geol. Geology of the Red Mountain Magnesite District, Santa Clara and Stanislaus Counties, California 46, 223 |
| Boschi, C., Dini, A., Dallai, L., Ruggieri, G., Gianelli, G. (2009) Enhanced CO2-mineral sequestration by cyclic hydraulic fracturing and Si-rich fluid infiltration into serpentinites at Malentrata (Tuscany, Italy) Chemical Geology, 265 (1) 209-226 doi:10.1016/j.chemgeo.2009.03.016 |
| Braithwaite (1996) J. Sediment. Res. Hydromagnesite stromatolites and sediments in an alkaline lake, Salda Golu, Turkey 66, 991 |
| |
| Brinker (1990) |
| |
| Bristow, Thomas F., Bonifacie, Magali, Derkowski, Arkadiusz, Eiler, John M., Grotzinger, John P. (2011) A hydrothermal origin for isotopically anomalous cap dolostone cements from south China. Nature, 474 (7349). 68-71 doi:10.1038/nature10096 |
| Bucher (2011) Metamorphism of Ultramafic Rocks , 191 |
| |
| |
| |
| |
| Cisneros (1977) Miner. Rec. Artinite from San Benito Country, California , 457 |
| Daëron, M., Guo, W., Eiler, J., Genty, D., Blamart, D., Boch, R., Drysdale, R., Maire, R., Wainer, K., Zanchetta, G. (2011) 13C18O clumping in speleothems: Observations from natural caves and precipitation experiments. Geochimica et Cosmochimica Acta, 75 (12) 3303-3317 doi:10.1016/j.gca.2010.10.032 |
| Dale, Annabel, John, Cédric M., Mozley, Peter S., Smalley, P. C., Muggeridge, Ann H. (2014) Time-capsule concretions: Unlocking burial diagenetic processes in the Mancos Shale using carbonate clumped isotopes. Earth and Planetary Science Letters, 394. 30-37 doi:10.1016/j.epsl.2014.03.004 |
| Dandurand (1975) Comptes rendues Hebd. des Seances l’Academie des Sci. Série C Sci. Chim. Sur la stabilité des carbonates naturels. Valeurs nouvelles des enthalpies libres de formation des phases des systèmes MgO-CO2-H2O et CaO-MgO-CO2-H2O 280, 1247 |
| |
| Deelman (1999) Neues Jahrb. Fur Mineral. Monatshefte Low-temperature nucleation of magnesite and dolomite 7, 289 |
| |
| |
| Dennis, Kate J., Affek, Hagit P., Passey, Benjamin H., Schrag, Daniel P., Eiler, John M. (2011) Defining an absolute reference frame for ‘clumped’ isotope studies of CO2. Geochimica et Cosmochimica Acta, 75 (22) 7117-7131 doi:10.1016/j.gca.2011.09.025 |
| Not Yet Imported: Boreas - journal-article : 10.1080/030094899422073
If you would like this item imported into the Digital Library, please contact us quoting Journal ID 10216 |
| |
| Eagle, R. A., Tutken, T., Martin, T. S., Tripati, A. K., Fricke, H. C., Connely, M., Cifelli, R. L., Eiler, J. M. (2011) Dinosaur Body Temperatures Determined from Isotopic (13C-18O) Ordering in Fossil Biominerals. Science, 333 (6041). 443-445 doi:10.1126/science.1206196 |
| Ece (2005) Neues Jahrb. für Mineral. – Abhandlungen Genesis of hydrothermal stockwork-type magnesite deposits associated with ophiolite complexes in the Kütahya-Eskişehir region, Turkey 181, 191 |
| |
| Eiler, John M., Bergquist, Brigit, Bourg, Ian, Cartigny, Pierre, Farquhar, James, Gagnon, Alex, Guo, Weifu, Halevy, Itay, Hofmann, Amy, Larson, Toti E., Levin, Naomi, Schauble, Edwin A., Stolper, Daniel (2014) Frontiers of stable isotope geoscience. Chemical Geology, 372. 119-143 doi:10.1016/j.chemgeo.2014.02.006 |
| |
| |
| |
| |
| |
| |
| Faure (2005) , 897 |
| |
| Ferry, John M., Passey, Benjamin H., Vasconcelos, Crisogono, Eiler, John M. (2011) Formation of dolomite at 40–80 °C in the Latemar carbonate buildup, Dolomites, Italy, from clumped isotope thermometry. Geology, 39 (6) 571-574 doi:10.1130/g31845.1 |
| |
| |
| Not Yet Imported: American Journal of Science - journal-article : 10.2475/ajs.s3-39.230.121
If you would like this item imported into the Digital Library, please contact us quoting Journal ID 4057 |
| Ghoneim (2003) Arch. Mineral. Origin of magnesite veins in serpentinites from Mount El-Rubshi and Mount El-Maiyit, Eastern Desert Egypt 2002, 41 |
| Ghosh, Prosenjit, Adkins, Jess, Affek, Hagit, Balta, Brian, Guo, Weifu, Schauble, Edwin A., Schrag, Dan, Eiler, John M. (2006) 13C–18O bonds in carbonate minerals: A new kind of paleothermometer. Geochimica et Cosmochimica Acta, 70 (6) 1439-1456 doi:10.1016/j.gca.2005.11.014 |
| |
| Not Yet Imported: International Journal of Greenhouse Gas Control - journal-article : 10.1016/j.ijggc.2009.11.013
If you would like this item imported into the Digital Library, please contact us quoting Journal ID 32851 |
| Golyshev (1981) Geochem. Int. Fractionation of stable oxygen and carbon isotopes in carbonate systems 18, 85 |
| |
| |
| |
| Not Yet Imported: Ecological Monographs - journal-article : 10.1890/05-0910
If you would like this item imported into the Digital Library, please contact us quoting Journal ID 19084 |
| |
| |
| |
| Henkes, Gregory A., Passey, Benjamin H., Wanamaker, Alan D., Grossman, Ethan L., Ambrose, William G., Carroll, Michael L. (2013) Carbonate clumped isotope compositions of modern marine mollusk and brachiopod shells. Geochimica et Cosmochimica Acta, 106. 307-325 doi:10.1016/j.gca.2012.12.020 |
| Henkes, Gregory A., Passey, Benjamin H., Grossman, Ethan L., Shenton, Brock J., Pérez-Huerta, Alberto, Yancey, Thomas E. (2014) Temperature limits for preservation of primary calcite clumped isotope paleotemperatures. Geochimica et Cosmochimica Acta, 139. 362-382 doi:10.1016/j.gca.2014.04.040 |
| |
| Horkel (2009) Geophys. Res. Abstr. Stable isotopic composition of cryptocrystalline magnesite from deposits in Turkey and Austria 11 |
| |
| Huntington, K. W., Eiler, J. M., Affek, H. P., Guo, W., Bonifacie, M., Yeung, L. Y., Thiagarajan, N., Passey, B., Tripati, A., Daëron, M., Came, R. (2009) Methods and limitations of ‘clumped’ CO2isotope (Δ47) analysis by gas-source isotope ratio mass spectrometry. Journal of Mass Spectrometry, 44 (9). 1318-1329 doi:10.1002/jms.1614 |
| IAEA/WMO (2015) Global Network of Isotopes in Precipitation. The GNIP Database. Accessible at: http://www.iaea.org/water. |
| Isshiki, Maiko, Irifune, Tetsuo, Hirose, Kei, Ono, Shigeaki, Ohishi, Yasuo, Watanuki, Tetsu, Nishibori, Eiji, Takata, Masaki, Sakata, Makoto (2004) Stability of magnesite and its high-pressure form in the lowermost mantle. Nature, 427 (6969). 60-63 doi:10.1038/nature02181 |
| |
| Johnson, Natalie C., Thomas, Burt, Maher, Kate, Rosenbauer, Robert J., Bird, Dennis, Brown, Gordon E. (2014) Olivine dissolution and carbonation under conditions relevant for in situ carbon storage. Chemical Geology, 373. 93-105 doi:10.1016/j.chemgeo.2014.02.026 |
| Jurković (2012) Ofioliti Genesis of vein-stockwork cryptocrystalline magnesite from the Dinaride ophiolites 37, 13 |
| |
| Kauffman (2003) |
| Kele, Sándor, Breitenbach, Sebastian F.M., Capezzuoli, Enrico, Meckler, A. Nele, Ziegler, Martin, Millan, Isabel M., Kluge, Tobias, Deák, József, Hanselmann, Kurt, John, Cédric M., Yan, Hao, Liu, Zaihua, Bernasconi, Stefano M. (2015) Temperature dependence of oxygen- and clumped isotope fractionation in carbonates: A study of travertines and tufas in the 6–95°C temperature range. Geochimica et Cosmochimica Acta, 168. 172-192 doi:10.1016/j.gca.2015.06.032 |
| |
| Kelemen, Peter B., Matter, Juerg, Streit, Elisabeth E., Rudge, John F., Curry, William B., Blusztajn, Jerzy (2011) Rates and Mechanisms of Mineral Carbonation in Peridotite: Natural Processes and Recipes for Enhanced, in situ CO2Capture and Storage. Annual Review of Earth and Planetary Sciences, 39. 545-576 doi:10.1146/annurev-earth-092010-152509 |
| Not Yet Imported: Scientific Drilling - journal-article : 10.5194/sd-15-64-2013
If you would like this item imported into the Digital Library, please contact us quoting Journal ID 73092 |
| |
| |
| |
| |
| |
| |
| Kluge, T., Affek, H. P., Marx, T., Aeschbach-Hertig, W., Riechelmann, D. F. C., Scholz, D., Riechelmann, S., Immenhauser, A., Richter, D. K., Fohlmeister, J., Wackerbarth, A., Mangini, A., Spötl, C. (2013) Reconstruction of drip-water δ18O based on calcite oxygen and clumped isotopes of speleothems from Bunker Cave (Germany). Climate of the Past, 9 (1). 377-391 doi:10.5194/cp-9-377-2013 |
| Kluge, Tobias, Affek, Hagit P., Zhang, Yi Ge, Dublyansky, Yuri, Spötl, Christoph, Immenhauser, Adrian, Richter, Detlev K. (2014) Clumped isotope thermometry of cryogenic cave carbonates. Geochimica et Cosmochimica Acta, 126. 541-554 doi:10.1016/j.gca.2013.11.011 |
| Kluge, Tobias, John, Cédric M., Jourdan, Anne-Lise, Davis, Simon, Crawshaw, John (2015) Laboratory calibration of the calcium carbonate clumped isotope thermometer in the 25–250 °C temperature range. Geochimica et Cosmochimica Acta, 157. 213-227 doi:10.1016/j.gca.2015.02.028 |
| |
| Kralik M., Aharon P., Schroll E. and Zachmann D. (1989) Carbon and oxygen isotope systematics of magnesites: a review. In Magnesite. Geology, Mineralogy, Geochemistry, Formation of Mg-Carbonates (ed. P. Moller). Monograph Series on Mineral Deposits 28 Gebruder Borntraeger, Berlin-Stuttgart. 197–223 pp. |
| Kruckeberg (1992) Plant life of western North American ultramafics , 31 |
| |
| |
| |
| |
| |
| |
| Not Yet Imported: Energy Procedia - journal-article : 10.1016/j.egypro.2009.02.160
If you would like this item imported into the Digital Library, please contact us quoting Journal ID 20705 |
| Not Yet Imported: Energy Procedia - journal-article : 10.1016/j.egypro.2011.02.546
If you would like this item imported into the Digital Library, please contact us quoting Journal ID 20705 |
| |
| Mavromatis, Vasileios, Pearce, Christopher R., Shirokova, Liudmila S., Bundeleva, Irina A., Pokrovsky, Oleg S., Benezeth, Pascale, Oelkers, Eric H. (2012) Magnesium isotope fractionation during hydrous magnesium carbonate precipitation with and without cyanobacteria. Geochimica et Cosmochimica Acta, 76. 161-174 doi:10.1016/j.gca.2011.10.019 |
| Mavromatis, Vasileios, Bundeleva, Irina A., Shirokova, Liudmila S., Millo, Christian, Pokrovsky, Oleg S., Bénézeth, Pascale, Ader, Magali, Oelkers, Eric H. (2015) The continuous re-equilibration of carbon isotope compositions of hydrous Mg carbonates in the presence of cyanobacteria. Chemical Geology, 404. 41-51 doi:10.1016/j.chemgeo.2015.03.016 |
| |
| |
| Meckler, A. Nele, Ziegler, Martin, Millán, M. Isabel, Breitenbach, Sebastian F. M., Bernasconi, Stefano M. (2014) Long-term performance of the Kiel carbonate device with a new correction scheme for clumped isotope measurements. Rapid Communications in Mass Spectrometry, 28 (15). 1705-1715 doi:10.1002/rcm.6949 |
| |
| Mirnejad, H., Ebrahimi-Nasrabadi, K., Lalonde, A. E., Taylor, B. E. (2008) MINERALOGY, STABLE ISOTOPE GEOCHEMISTRY, AND PARAGENESIS OF MAGNESITE DEPOSITS FROM THE OPHIOLITE BELT OF EASTERN IRAN. Economic Geology, 103 (8) 1703-1713 doi:10.2113/gsecongeo.103.8.1703 |
| |
| |
| |
| Nutman, Allen P., Allaart, Jan H., Bridgwater, David, Dimroth, Erich, Rosing, Minik (1984) Stratigraphic and geochemical evidence for the depositional environment of the early archaean isua supracrustal belt, southern west greenland. Precambrian Research, 25 (4) 365-396 doi:10.1016/0301-9268(84)90010-x |
| Nutman, Allen P., McGregor, Victor R., Friend, Clark R.L., Bennett, Victoria C., Kinny, Peter D. (1996) The Itsaq Gneiss Complex of southern West Greenland; the world's most extensive record of early crustal evolution (3900-3600 Ma) Precambrian Research, 78 (1) 1-39 doi:10.1016/0301-9268(95)00066-6 |
| |
| Olsson, J., Bovet, N., Makovicky, E., Bechgaard, K., Balogh, Z., Stipp, S.L.S. (2012) Olivine reactivity with CO2 and H2O on a microscale: Implications for carbon sequestration. Geochimica et Cosmochimica Acta, 77. 86-97 doi:10.1016/j.gca.2011.11.001 |
| Oskierski, Hans C., Bailey, Judy G., Kennedy, Eric M., Jacobsen, Geraldine, Ashley, Paul M., Dlugogorski, Bogdan Z. (2013) Formation of weathering-derived magnesite deposits in the New England Orogen, New South Wales, Australia: Implications from mineralogy, geochemistry and genesis of the Attunga magnesite deposit. Mineralium Deposita, 48 (4) 525-541 doi:10.1007/s00126-012-0440-5 |
| |
| |
| Paukert, Amelia N., Matter, Jürg M., Kelemen, Peter B., Shock, Everett L., Havig, Jeff R. (2012) Reaction path modeling of enhanced in situ CO2 mineralization for carbon sequestration in the peridotite of the Samail Ophiolite, Sultanate of Oman. Chemical Geology, 330. 86-100 doi:10.1016/j.chemgeo.2012.08.013 |
| |
| |
| |
| |
| Pohl W. (1989) Comparative Geology of Magnesite Deposits and Occurrences. In Magnesite. Geology, Mineralogy, Geochemistry, Formation of Mg-Carbonates (ed. P. Moller). Monograph Series on Mineral Deposits 28. Gebruder Borntraeger, Berlin-Stuttgart. pp. 1–13. |
| |
| |
| Power, Ian M., Wilson, Siobhan A., Thom, James M., Dipple, Gregory M., Gabites, Janet E., Southam, Gordon (2009) The hydromagnesite playas of Atlin, British Columbia, Canada: A biogeochemical model for CO2 sequestration. Chemical Geology, 260 (3) 286-300 doi:10.1016/j.chemgeo.2009.01.012 |
| Power, I. M., Harrison, A. L., Dipple, G. M., Wilson, S. A., Kelemen, P. B., Hitch, M., Southam, G. (2013, January 1st) Carbon Mineralization: From Natural Analogues to Engineered Systems. Reviews in Mineralogy and Geochemistry Vol. 77. Mineralogical Society of America p.305-360. doi:10.2138/rmg.2013.77.9 |
| |
| Power, Ian M., Wilson, Siobhan A., Harrison, Anna L., Dipple, Gregory M., McCutcheon, Jenine, Southam, Gordon, Kenward, Paul A. (2014) A depositional model for hydromagnesite–magnesite playas near Atlin, British Columbia, Canada. Sedimentology, 61 (6). 1701-1733 doi:10.1111/sed.12124 |
| Pronost, Julie, Beaudoin, Georges, Lemieux, Jean-Michel, Hébert, Réjean, Constantin, Marc, Marcouiller, Simon, Klein, Matthieu, Duchesne, Josée, Molson, John W., Larachi, Faïçal, Maldague, Xavier (2012) CO2-depleted warm air venting from chrysotile milling waste (Thetford Mines, Canada): Evidence for in-situ carbon capture from the atmosphere. Geology, 40 (3) 275-278 doi:10.1130/g32583.1 |
| |
| Quesnel, Benoît, Gautier, Pierre, Boulvais, Philippe, Cathelineau, Michel, Maurizot, Pierre, Cluzel, Dominique, Ulrich, Marc, Guillot, Stéphane, Lesimple, Stéphane, Couteau, Clément (2013) Syn-tectonic, meteoric water–derived carbonation of the New Caledonia peridotite nappe. Geology, 41 (10) 1063-1066 doi:10.1130/g34531.1 |
| Quesnel, Benoît, Boulvais, Philippe, Gautier, Pierre, Cathelineau, Michel, John, Cédric M., Dierick, Malorie, Agrinier, Pierre, Drouillet, Maxime (2016) Paired stable isotopes (O, C) and clumped isotope thermometry of magnesite and silica veins in the New Caledonia Peridotite Nappe. Geochimica et Cosmochimica Acta, 183. 234-249 doi:10.1016/j.gca.2016.03.021 |
| Redlich (1909) Z. Prakt. Geol. Die Typen der Magnesitlagerstätten 17, 300 |
| |
| |
| |
| |
| Saenger, Casey, Affek, Hagit P., Felis, Thomas, Thiagarajan, Nivedita, Lough, Janice M., Holcomb, Michael (2012) Carbonate clumped isotope variability in shallow water corals: Temperature dependence and growth-related vital effects. Geochimica et Cosmochimica Acta, 99. 224-242 doi:10.1016/j.gca.2012.09.035 |
| |
| |
| Schmid T. W. (2011) Clumped-isotopes – a new tool for old questions: case studies on biogenic and inorganic carbonates. Eidgenössische Technische Hochschule (ETH), Zürich, Switzerland. |
| Schroll (2002) Bol. Parana. Geociências Genesis of magnesite deposits in the view of isotope geochemistry , 59 |
| Sena, C. M., John, C. M., Jourdan, A.-L., Vandeginste, V., Manning, C. (2014) Dolomitization of Lower Cretaceous Peritidal Carbonates By Modified Seawater: Constraints From Clumped Isotopic Paleothermometry, Elemental Chemistry, and Strontium Isotopes. Journal of Sedimentary Research, 84 (7) 552-566 doi:10.2110/jsr.2014.45 |
| |
| Not Yet Imported: Stable Isotopes in High Temperature Geological Processes - book-chapter : 10.1515/9781501508936-011
If you would like this item imported into the Digital Library, please contact us quoting Journal ID |
| Sherlock (1995) Explor. Min. Geol. Silica-carbonate Alteration of Serpentinite: implication for the Association of Mercury and Gold Mineralization in Northern California 4, 395 |
| Stern, Libby A., Chamberlain, C. Page, Barnett, Daniel E., Ferry, John M. (1992) Stable isotope evidence for regional-scale fluid migration in a Barrovian metamorphic terrane, Vermont, USA. Contributions to Mineralogy and Petrology, 112 (4) 475-489 doi:10.1007/bf00310779 |
| |
| |
| |
| |
| |
| Tang, Jianwu, Dietzel, Martin, Fernandez, Alvaro, Tripati, Aradhna K., Rosenheim, Brad E. (2014) Evaluation of kinetic effects on clumped isotope fractionation (Δ47) during inorganic calcite precipitation. Geochimica et Cosmochimica Acta, 134. 120-136 doi:10.1016/j.gca.2014.03.005 |
| Tripati, Aradhna K., Hill, Pamela S., Eagle, Robert A., Mosenfelder, Jed L., Tang, Jianwu, Schauble, Edwin A., Eiler, John M., Zeebe, Richard E., Uchikawa, Joji, Coplen, Tyler B., Ries, Justin B., Henry, Drew (2015) Beyond temperature: Clumped isotope signatures in dissolved inorganic carbon species and the influence of solution chemistry on carbonate mineral composition. Geochimica et Cosmochimica Acta, 166. 344-371 doi:10.1016/j.gca.2015.06.021 |
| |
| Ulrich, Marc, Muñoz, Manuel, Guillot, Stéphane, Cathelineau, Michel, Picard, Christian, Quesnel, Benoit, Boulvais, Philippe, Couteau, Clément (2014) Dissolution–precipitation processes governing the carbonation and silicification of the serpentinite sole of the New Caledonia ophiolite. Contributions to Mineralogy and Petrology, 167 (1) doi:10.1007/s00410-013-0952-8 |
| van Zuilen, Mark A, Lepland, Aivo, Teranes, Jane, Finarelli, John, Wahlen, Martin, Arrhenius, Gustaf (2003) Graphite and carbonates in the 3.8 Ga old Isua Supracrustal Belt, southern West Greenland. Precambrian Research, 126 (3) 331-348 doi:10.1016/s0301-9268(03)00103-7 |
| |
| Vandeginste (2014) Am. Assoc. Pet. Geol. Bull. Dimensions, texture-distribution, and geochemical heterogeneities of fracture–related dolomite geobodies hosted in Ediacaran limestones, northern Oman 98, 1789 |
| |
| |
| Wacker, Ulrike, Fiebig, Jens, Tödter, Julian, Schöne, Bernd R., Bahr, André, Friedrich, Oliver, Tütken, Thomas, Gischler, Eberhard, Joachimski, Michael M. (2014) Empirical calibration of the clumped isotope paleothermometer using calcites of various origins. Geochimica et Cosmochimica Acta, 141. 127-144 doi:10.1016/j.gca.2014.06.004 |
| |
| |
| |
| |
| Wilson, S. A., Dipple, G. M., Power, I. M., Thom, J. M., Anderson, R. G., Raudsepp, M., Gabites, J. E., Southam, G. (2009) Carbon Dioxide Fixation within Mine Wastes of Ultramafic-Hosted Ore Deposits: Examples from the Clinton Creek and Cassiar Chrysotile Deposits, Canada. Economic Geology, 104 (1) 95-112 doi:10.2113/gsecongeo.104.1.95 |
| |
| Not Yet Imported: International Journal of Greenhouse Gas Control - journal-article : 10.1016/j.ijggc.2014.04.002
If you would like this item imported into the Digital Library, please contact us quoting Journal ID 32851 |
| |
| |
| Zachmann D. and Johannes W. (1989) Cryptocrystaline Magnesite. In Magnesite. Geology, Mineralogy, Geochemistry, Formation of Mg-Carbonates (ed. P. Moller). Gebruder Borntraeger, Berlin-Stuttgart. pp. 15–28. |
| |
| Zhang (1994) Am. Mineral. Significance of magnesite paragenesis in ultrahigh-pressure metamorphic rocks 79, 397 |
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