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Volumn 333-334, Issue , 2012, Pages 317-331

Boundary scavenging at the East Atlantic margin does not negate use of 231Pa/ 230Th to trace Atlantic overturning

Author keywords

231Pa 230Th; African margin; AMOC; Boundary scavenging; LGM; North Atlantic Deep Water

Indexed keywords

AFRICAN MARGIN; AMOC; BOUNDARY SCAVENGING; LGM; NORTH ATLANTIC DEEP WATER;

EID: 84861337716     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2012.04.005     Document Type: Article
Times cited : (26)

References (85)
  • 1
    • 0034724052 scopus 로고    scopus 로고
    • 200 000 yr diatom records from Atlantic upwelling sites reveal maximum productivity during LGM and a shift in phytoplankton community structure at 185000yr
    • Abrantes F. 200 000 yr diatom records from Atlantic upwelling sites reveal maximum productivity during LGM and a shift in phytoplankton community structure at 185000yr. Earth Planet Sci. Lett. 2000, 176:7-16.
    • (2000) Earth Planet Sci. Lett. , vol.176 , pp. 7-16
    • Abrantes, F.1
  • 5
    • 32344445437 scopus 로고    scopus 로고
    • Glacial-interglacial variability in the delivery of dust to the central equatorial Pacific Ocean
    • Anderson R., Fleisher M., Lao Y. Glacial-interglacial variability in the delivery of dust to the central equatorial Pacific Ocean. Earth Planet Sci. Lett. 2006, 242:406-414.
    • (2006) Earth Planet Sci. Lett. , vol.242 , pp. 406-414
    • Anderson, R.1    Fleisher, M.2    Lao, Y.3
  • 7
    • 0242339743 scopus 로고    scopus 로고
    • On the deep water circulation of the eastern South Atlantic Ocean
    • Arhan M., Mercier H., Park Y. On the deep water circulation of the eastern South Atlantic Ocean. Deep-Sea Res. I 2003, 50:889-916.
    • (2003) Deep-Sea Res. I , vol.50 , pp. 889-916
    • Arhan, M.1    Mercier, H.2    Park, Y.3
  • 10
    • 0003365617 scopus 로고
    • Rekonstruktion der spätquartären Bodenwasserzirkulation im östlichen Südatlantik über stabile Isotope benthischer Foraminiferen
    • Bickert T. Rekonstruktion der spätquartären Bodenwasserzirkulation im östlichen Südatlantik über stabile Isotope benthischer Foraminiferen. Ber. aus dem Fachbereich Geowissenschaften Univ. Bremen 1992, 27:205.
    • (1992) Ber. aus dem Fachbereich Geowissenschaften Univ. Bremen , vol.27 , pp. 205
    • Bickert, T.1
  • 11
    • 0002821690 scopus 로고    scopus 로고
    • Late Quaternary deep water circulation in the South Atlantic: reconstruction from carbonate dissolution and benthic stable isotopes
    • Springer-Verlag, Berlin
    • Bickert T., Wefer G. Late Quaternary deep water circulation in the South Atlantic: reconstruction from carbonate dissolution and benthic stable isotopes. The South Atlantic: Present and Past Circulation 1996, 103:599-620. Springer-Verlag, Berlin.
    • (1996) The South Atlantic: Present and Past Circulation , vol.103 , pp. 599-620
    • Bickert, T.1    Wefer, G.2
  • 12
    • 39749144450 scopus 로고    scopus 로고
    • Opal burial in the equatorial Atlantic Ocean over the last 30kyr: implications for glacial-interglacial changes in the ocean silicon cycle
    • Bradtmiller L., Anderson R., Fleisher M., Burckle L. Opal burial in the equatorial Atlantic Ocean over the last 30kyr: implications for glacial-interglacial changes in the ocean silicon cycle. Paleoceanography 2007, 22:PA4216.
    • (2007) Paleoceanography , vol.22
    • Bradtmiller, L.1    Anderson, R.2    Fleisher, M.3    Burckle, L.4
  • 14
    • 0037202662 scopus 로고    scopus 로고
    • The influence of particle composition and particle flux on scavenging of Th, Pa and Be in the ocean
    • Chase Z., Anderson R., Fleisher M., Kubik P. The influence of particle composition and particle flux on scavenging of Th, Pa and Be in the ocean. Earth Planet Sci. Lett. 2002, 204:215-229.
    • (2002) Earth Planet Sci. Lett. , vol.204 , pp. 215-229
    • Chase, Z.1    Anderson, R.2    Fleisher, M.3    Kubik, P.4
  • 18
    • 60649101024 scopus 로고    scopus 로고
    • Contrasting compositions of Saharan dust in the eastern Atlantic Ocean during the last deglaciation and African Humid Period
    • Cole J., Goldstein S., deMenocal P., Hemming S., Grousset F. Contrasting compositions of Saharan dust in the eastern Atlantic Ocean during the last deglaciation and African Humid Period. Earth Planet Sci. Lett. 2009, 278:257-266.
    • (2009) Earth Planet Sci. Lett. , vol.278 , pp. 257-266
    • Cole, J.1    Goldstein, S.2    deMenocal, P.3    Hemming, S.4    Grousset, F.5
  • 20
    • 0036086408 scopus 로고    scopus 로고
    • The accumulation and cycling of biogenic silica in the Southern Ocean: revisiting the marine silica budget
    • DeMaster D. The accumulation and cycling of biogenic silica in the Southern Ocean: revisiting the marine silica budget. Deep-Sea Res. II 2002, 49:3155-3167.
    • (2002) Deep-Sea Res. II , vol.49 , pp. 3155-3167
    • DeMaster, D.1
  • 21
    • 0033957744 scopus 로고    scopus 로고
    • Abrupt onset and termination of the African Humid Period: rapid climate responses to gradual insolation forcing
    • deMenocal P., Ortiz J., Guilderson T., Adkins J., Sarnthein M., Baker L., Yarusinsky M. Abrupt onset and termination of the African Humid Period: rapid climate responses to gradual insolation forcing. Quat. Sci. Rev. 2000, 19:347-361.
    • (2000) Quat. Sci. Rev. , vol.19 , pp. 347-361
    • deMenocal, P.1    Ortiz, J.2    Guilderson, T.3    Adkins, J.4    Sarnthein, M.5    Baker, L.6    Yarusinsky, M.7
  • 22
    • 71949122439 scopus 로고    scopus 로고
    • 230Th simulation with a global coupled biogeochemical-ocean general circulation model: a first approach
    • 230Th simulation with a global coupled biogeochemical-ocean general circulation model: a first approach. Geochem. Geophys. Geosyst. 2009, 10:1.
    • (2009) Geochem. Geophys. Geosyst. , vol.10 , pp. 1
    • Dutay, J.1    Lacan, F.2    Roy-Barman, M.3    Bopp, L.4
  • 27
    • 1842713404 scopus 로고    scopus 로고
    • Adsorption of Th and Pa onto different particle types: experimental findings
    • Geibert W., Usbeck R. Adsorption of Th and Pa onto different particle types: experimental findings. Geochim. Cosmochim. 2004, 68(7):1489.
    • (2004) Geochim. Cosmochim. , vol.68 , Issue.7 , pp. 1489
    • Geibert, W.1    Usbeck, R.2
  • 28
    • 43049127205 scopus 로고    scopus 로고
    • Progress in determination of 227-Ac in sea water
    • Geibert W., Vöge I. Progress in determination of 227-Ac in sea water. Mar. Chem. 2007, 109:238-249.
    • (2007) Mar. Chem. , vol.109 , pp. 238-249
    • Geibert, W.1    Vöge, I.2
  • 31
    • 28044454104 scopus 로고    scopus 로고
    • Evidence from NE Atlantic basin for variability in the rate of meridional overturning circulation through the last deglaciation
    • Gherardi J., Labeyrie L., McManus J., Francois R., Skinner L., Cortijo E. Evidence from NE Atlantic basin for variability in the rate of meridional overturning circulation through the last deglaciation. Earth Planet Sci. Lett. 2005, 240.
    • (2005) Earth Planet Sci. Lett. , pp. 240
    • Gherardi, J.1    Labeyrie, L.2    McManus, J.3    Francois, R.4    Skinner, L.5    Cortijo, E.6
  • 33
    • 38349068550 scopus 로고    scopus 로고
    • Tracing the Nd isotope evolution of North Atlantic Deep and Intermediate Waters in the western North Atlantic since the LGM from Blake Ridge sediments
    • Gutjahr M., Frank M., Stirling C., Keigwin L., Halliday A. Tracing the Nd isotope evolution of North Atlantic Deep and Intermediate Waters in the western North Atlantic since the LGM from Blake Ridge sediments. Earth Planet Sci. Lett. 2008, 266:61-77.
    • (2008) Earth Planet Sci. Lett. , vol.266 , pp. 61-77
    • Gutjahr, M.1    Frank, M.2    Stirling, C.3    Keigwin, L.4    Halliday, A.5
  • 35
    • 0036076427 scopus 로고    scopus 로고
    • 238U) during the last 800 thousand years
    • 238U) during the last 800 thousand years. Earth Planet Sci. Lett. 2002, 199:97-110.
    • (2002) Earth Planet Sci. Lett. , vol.199 , pp. 97-110
    • Henderson, G.1
  • 36
    • 84862116923 scopus 로고    scopus 로고
    • The U-series toolbox for paleoceanography, "Uranium Series Geochemistry"
    • Henderson G., Anderson R. The U-series toolbox for paleoceanography, "Uranium Series Geochemistry". Rev. Miner. Geochem. 2003, 128.
    • (2003) Rev. Miner. Geochem. , pp. 128
    • Henderson, G.1    Anderson, R.2
  • 37
    • 18944378689 scopus 로고    scopus 로고
    • Leg 177 synthesis: insights into Southern Ocean paleoceanography on tectonic to millennial timescales
    • Hodell, D. A., Gersonde R., B.P., 2002. Leg 177 synthesis: insights into Southern Ocean paleoceanography on tectonic to millennial timescales. In: Proceedings of the ODP, Scientific Results, p. 177.
    • (2002) Proceedings of the ODP, Scientific Results , pp. 177
    • Hodell, D.A.1    Gersonde, R.B.P.2
  • 39
    • 75749096744 scopus 로고    scopus 로고
    • Molecular evidence for anaerobic ammonium-oxidizing (anammox) bacteria in continental shelf and slope sediments off northwest Africa
    • Jaeschke A., Abbas B., Zabel M., Hopmans E., Schouten S., Sinninghe D. Molecular evidence for anaerobic ammonium-oxidizing (anammox) bacteria in continental shelf and slope sediments off northwest Africa. Limnol. Oceanogr. 2010, 55(1):365-376.
    • (2010) Limnol. Oceanogr. , vol.55 , Issue.1 , pp. 365-376
    • Jaeschke, A.1    Abbas, B.2    Zabel, M.3    Hopmans, E.4    Schouten, S.5    Sinninghe, D.6
  • 41
    • 45049083332 scopus 로고    scopus 로고
    • Did North Atlantic overturning halt 17,000 years ago?
    • Keigwin D., Boyle E. Did North Atlantic overturning halt 17,000 years ago?. Paleoceanography 2008, 23:PA1101.
    • (2008) Paleoceanography , vol.23
    • Keigwin, D.1    Boyle, E.2
  • 42
    • 0032727488 scopus 로고    scopus 로고
    • Late quaternary temperature variability in the benguela current system derived from alkenones
    • Kirst G., Schneider R., Müller P., Storch I., Wefer G. Late quaternary temperature variability in the benguela current system derived from alkenones. Quat. Res. 1999, 52:92-103.
    • (1999) Quat. Res. , vol.52 , pp. 92-103
    • Kirst, G.1    Schneider, R.2    Müller, P.3    Storch, I.4    Wefer, G.5
  • 44
    • 0027526728 scopus 로고
    • 230Th ratios in sediments as a proxy for past changes in Southern Ocean productivity
    • 230Th ratios in sediments as a proxy for past changes in Southern Ocean productivity. Nature 1993, 362:45-48.
    • (1993) Nature , vol.362 , pp. 45-48
    • Kumar, N.1    Gwiazda, R.2    Anderson, R.3    Froelich, P.4
  • 45
    • 80455164777 scopus 로고    scopus 로고
    • 230Th paleocirculation proxy-A data versus 2D model comparison
    • (L20603)
    • 230Th paleocirculation proxy-A data versus 2D model comparison. Geophys. Res. Lett. 2011, 38. (L20603).
    • (2011) Geophys. Res. Lett. , vol.38
    • Lippold, J.1    Gherardi, J.2    Luo, Y.3
  • 47
    • 0030618763 scopus 로고    scopus 로고
    • Rapid palaeoceanographic changes in the Benguela Upwelling System for the last 160,000 years as indicated by abundances of planktonic foraminifera
    • Little M., Schneider R., Kroon D., Price B., Bickert T., Wefer G. Rapid palaeoceanographic changes in the Benguela Upwelling System for the last 160,000 years as indicated by abundances of planktonic foraminifera. Palaeogeogr. Palaeoclimatol. Palaeocol. 1997, 130:135-161.
    • (1997) Palaeogeogr. Palaeoclimatol. Palaeocol. , vol.130 , pp. 135-161
    • Little, M.1    Schneider, R.2    Kroon, D.3    Price, B.4    Bickert, T.5    Wefer, G.6
  • 49
    • 79952969053 scopus 로고    scopus 로고
    • 230Th as a recorder of the rate of the Atlantic meridional overturning circulation: insights from a 2-D model
    • 230Th as a recorder of the rate of the Atlantic meridional overturning circulation: insights from a 2-D model. Ocean Sci. 2010, 6:381-400.
    • (2010) Ocean Sci. , vol.6 , pp. 381-400
    • Luo, Y.1    Francois, R.2    Allen, S.3
  • 51
    • 0035973219 scopus 로고    scopus 로고
    • What do we learn from peaks of uranium and of manganese in deep sea sediments?
    • Mangini A., Jung M., Laukenmann S. What do we learn from peaks of uranium and of manganese in deep sea sediments?. Mar. Geol. 2001, 177(1-2):63-78.
    • (2001) Mar. Geol. , vol.177 , Issue.1-2 , pp. 63-78
    • Mangini, A.1    Jung, M.2    Laukenmann, S.3
  • 53
    • 1942435219 scopus 로고    scopus 로고
    • Collapse and rapid resumption of Atlantic meridional circulation linked to deglacial climate change
    • McManus J., Francois R., Gherardi J., Keigwin L., Brown-Leger S. Collapse and rapid resumption of Atlantic meridional circulation linked to deglacial climate change. Nature 2004, 428:834-837.
    • (2004) Nature , vol.428 , pp. 834-837
    • McManus, J.1    Francois, R.2    Gherardi, J.3    Keigwin, L.4    Brown-Leger, S.5
  • 54
    • 0038032019 scopus 로고    scopus 로고
    • Glacial/interglacial variablity in the Benguela upwelling system: spatial distribution and budgets of organic carbon accumulation
    • Mollenhauer G., Schneider R., Mueller P., Spieß V., Wefer G. Glacial/interglacial variablity in the Benguela upwelling system: spatial distribution and budgets of organic carbon accumulation. Global Biochem. Cycles 2002, 16.
    • (2002) Global Biochem. Cycles , pp. 16
    • Mollenhauer, G.1    Schneider, R.2    Mueller, P.3    Spieß, V.4    Wefer, G.5
  • 56
    • 0027455925 scopus 로고
    • An automated leaching method for the determination of opal in sediments and particulate matter
    • Müller R., Schneider R. An automated leaching method for the determination of opal in sediments and particulate matter. Deep-Sea Res. I 1993, 40:425-444.
    • (1993) Deep-Sea Res. I , vol.40 , pp. 425-444
    • Müller, R.1    Schneider, R.2
  • 58
    • 0029540174 scopus 로고
    • Production and dissolution of biogenic silica in the ocean: revised global estimates, comparison with regional data and relationship to biogenic sedimentation
    • Nelson D., Treguer P., Brzezinski M., Leynaert A., Queguiner B. Production and dissolution of biogenic silica in the ocean: revised global estimates, comparison with regional data and relationship to biogenic sedimentation. Global Biochem. Cycle 1995, 9(3):359-372.
    • (1995) Global Biochem. Cycle , vol.9 , Issue.3 , pp. 359-372
    • Nelson, D.1    Treguer, P.2    Brzezinski, M.3    Leynaert, A.4    Queguiner, B.5
  • 59
    • 0142098709 scopus 로고    scopus 로고
    • Sea surface temperatures in the equatorial and South Atlantic Ocean during the Last Glacial Maximum (23-19ka)
    • Niebler, H., H.W. Arz, B. Donner, S. Mulitza, J. Pätzold and G. Wefer, 2003. Sea surface temperatures in the equatorial and South Atlantic Ocean during the Last Glacial Maximum (23-19ka). Paleoceanography. 18(3(169)).
    • (2003) Paleoceanography. , vol.18 , Issue.3-169
    • Niebler, H.1    Arz, H.W.2    Donner, B.3    Mulitza, S.4    Pätzold, J.5    Wefer, G.6
  • 61
    • 4344671176 scopus 로고    scopus 로고
    • Intensification and variability of ocean thermohaline circulation through the last deglaciation
    • Piotrowski A., Goldstein S., Hemming S., Fairbanks R. Intensification and variability of ocean thermohaline circulation through the last deglaciation. Earth Planet Sci. Lett. 2004, 225:205-220.
    • (2004) Earth Planet Sci. Lett. , vol.225 , pp. 205-220
    • Piotrowski, A.1    Goldstein, S.2    Hemming, S.3    Fairbanks, R.4
  • 62
    • 62749114948 scopus 로고    scopus 로고
    • Episodic reductions in bottom-water currents since the last ice age
    • Praetorius S., McManus J., Oppo D., Curry W. Episodic reductions in bottom-water currents since the last ice age. Nat. Geosci. 2008, 1.
    • (2008) Nat. Geosci. , pp. 1
    • Praetorius, S.1    McManus, J.2    Oppo, D.3    Curry, W.4
  • 63
    • 3042702582 scopus 로고    scopus 로고
    • Measurement of fg quantities of Pa in silicate rock samples by Multicollector Inductively Coupled Plasma Mass Spectrometry
    • Regelous M., Turner S., Elliot T., Rostani K., Hawkesworth C. Measurement of fg quantities of Pa in silicate rock samples by Multicollector Inductively Coupled Plasma Mass Spectrometry. Anal. Chem. 2004, 76:3584-3589.
    • (2004) Anal. Chem. , vol.76 , pp. 3584-3589
    • Regelous, M.1    Turner, S.2    Elliot, T.3    Rostani, K.4    Hawkesworth, C.5
  • 64
    • 84862115262 scopus 로고    scopus 로고
    • 231Pa/230Th-Verhältnisse im Auftriebsgebiet vor SW-Afrika-ein Tracer für Paläoproduktivität und Ozeanzirkulation?
    • Ph.D. Thesis, Uni Heidelberg (URL:).
    • Reuter, S., 2003. 231Pa/230Th-Verhältnisse im Auftriebsgebiet vor SW-Afrika-ein Tracer für Paläoproduktivität und Ozeanzirkulation? Ph.D. Thesis, Uni Heidelberg (URL:). http://www.ub.uni-heidelberg.de/archiv/4428.
    • (2003)
    • Reuter, S.1
  • 65
    • 74849104458 scopus 로고    scopus 로고
    • Synchronous deglacial overturning and water mass source changes
    • Roberts N., Piotrowski A., McManus J., Keigwin L. Synchronous deglacial overturning and water mass source changes. Science 2010, 327:75.
    • (2010) Science , vol.327 , pp. 75
    • Roberts, N.1    Piotrowski, A.2    McManus, J.3    Keigwin, L.4
  • 66
    • 19844374930 scopus 로고
    • Protactinium-231 content of ocean water and sediments
    • Sackett W. Protactinium-231 content of ocean water and sediments. Science 1960, 132.
    • (1960) Science , pp. 132
    • Sackett, W.1
  • 70
    • 58949086792 scopus 로고    scopus 로고
    • Estimation of new primary production in the Benguela upwelling area, using ENVISAT satellite data and a model dependent on the phytoplankton community size structure
    • (C11023)
    • Silio-Calzada A., Bricaud A., Uitz J., Gentili B. Estimation of new primary production in the Benguela upwelling area, using ENVISAT satellite data and a model dependent on the phytoplankton community size structure. J. Geophys. Res. 2008, 113. (C11023).
    • (2008) J. Geophys. Res. , vol.113
    • Silio-Calzada, A.1    Bricaud, A.2    Uitz, J.3    Gentili, B.4
  • 71
    • 77956771593 scopus 로고    scopus 로고
    • The Last and the Penultimate interglacial as recorded by speleothems from a climatically sensitive high-elevation cave site in the Alps
    • Elsevier
    • Spötl C., Holzkämper S., Mangini A. The Last and the Penultimate interglacial as recorded by speleothems from a climatically sensitive high-elevation cave site in the Alps. The Climate of Past Interglacials 2007, 7:471-491. Elsevier.
    • (2007) The Climate of Past Interglacials , vol.7 , pp. 471-491
    • Spötl, C.1    Holzkämper, S.2    Mangini, A.3
  • 72
    • 0041382750 scopus 로고    scopus 로고
    • A ~580kyr paleomagnetic record from the sub-Antarctic South Atlantic (Ocean Drilling Program Site 1089)
    • Stoner J., Channell J., Hodell D., Charles C. A ~580kyr paleomagnetic record from the sub-Antarctic South Atlantic (Ocean Drilling Program Site 1089). J. Geophys. Res. 2003, 108.
    • (2003) J. Geophys. Res. , pp. 108
    • Stoner, J.1    Channell, J.2    Hodell, D.3    Charles, C.4
  • 74
    • 30744463315 scopus 로고    scopus 로고
    • 230Th paleocirculation proxy: new water-column measurements from the southwest Indian Ocean
    • 230Th paleocirculation proxy: new water-column measurements from the southwest Indian Ocean. Earth Planet Sci. Lett. 2006, 241:493-504.
    • (2006) Earth Planet Sci. Lett. , vol.241 , pp. 493-504
    • Thomas, A.1    Henderson, G.2    Robinson, L.3
  • 78
    • 0033395268 scopus 로고    scopus 로고
    • Link between the North and South Atlantic during the Heinrich events of the last glacial period
    • Vidal L., Schneider R.R., Marchal O., Bickert T. Link between the North and South Atlantic during the Heinrich events of the last glacial period. Clim. Dynam. 1999, 15:909-919.
    • (1999) Clim. Dynam. , vol.15 , pp. 909-919
    • Vidal, L.1    Schneider, R.R.2    Marchal, O.3    Bickert, T.4
  • 80
    • 0037055136 scopus 로고    scopus 로고
    • Present water mass calcium carbonate corrosiveness in the eastern South Atlantic inferred from ultrastructural breakdown of Globigerina bulloides in surface sediments
    • Volbers A., Henrich R. Present water mass calcium carbonate corrosiveness in the eastern South Atlantic inferred from ultrastructural breakdown of Globigerina bulloides in surface sediments. Mar. Geol. 2002, 186:471-486.
    • (2002) Mar. Geol. , vol.186 , pp. 471-486
    • Volbers, A.1    Henrich, R.2
  • 83
    • 0027799398 scopus 로고
    • Seasonal patterns of vertical particle flux in equatorial and coastal upwelling areas of the eastern Atlantic
    • Wefer G., Fischer G. Seasonal patterns of vertical particle flux in equatorial and coastal upwelling areas of the eastern Atlantic. Deep-Sea Res. 1993, 40:1613-1645.
    • (1993) Deep-Sea Res. , vol.40 , pp. 1613-1645
    • Wefer, G.1    Fischer, G.2
  • 84
    • 0029756830 scopus 로고    scopus 로고
    • Similar rates of modern and last-glacial ocean thermohaline circulation inferred from radiochemical data
    • Yu E., Francois R., Bacon M. Similar rates of modern and last-glacial ocean thermohaline circulation inferred from radiochemical data. Nature 1996, 379:689-694.
    • (1996) Nature , vol.379 , pp. 689-694
    • Yu, E.1    Francois, R.2    Bacon, M.3
  • 85
    • 0029533370 scopus 로고
    • Molecular stratigraphy of cores off northwest Africa: sea surface temperature history over the last 80ka
    • Zhao M., Beveridge N., Shackleton N., Sarnthein M., Eglinton G. Molecular stratigraphy of cores off northwest Africa: sea surface temperature history over the last 80ka. Paleoceanography 1995, 10(3):661-675.
    • (1995) Paleoceanography , vol.10 , Issue.3 , pp. 661-675
    • Zhao, M.1    Beveridge, N.2    Shackleton, N.3    Sarnthein, M.4    Eglinton, G.5


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