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Author |
Lang M., Glasmacher U.A., Moine B., Müller C., Neumann R. & Wagner G.A. |
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Title |
Artificial ion tracks in volcanic dark mica simulating natural radiation damage: a scanning force microscopy study. |
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Journal Article |
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Year |
2002 |
Publication |
Nuclear Instruments and Methods in Physics Research Section B |
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Volume |
191 |
Issue |
1-4 |
Pages |
346-351 |
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Abstract |
A new dating technique uses alpha-recoil tracks (ART), formed by the natural /?-decay of U, Th and their daughter products, to determine the formation age of Quaternary volcanic rocks (/<106 a). Visualization of etched ART by scanning force microscopy (SFM) enables to access track densities beyond 108cm-2 and thus extend the new ART-dating technique to an age range />106 a. In order to simulate natural radiation damage, samples of phlogopite, originating from Quaternary and Tertiary volcanic rocks of the Eifel (Germany) and Kerguelen Islands (Indian Ocean) were irradiated with U, Ni (11.4 MeV/u), Xe, Cr, Ne (1.4 MeV/u) and Bi (200 keV) ions. After irradiation and etching with HF at various etching times, phlogopite surfaces were visualized by SFM. Hexagonal etch pits are typical of U, Xe and Cr ion tracks, but the etch pits of Ni, Ne and Bi ion tracks are triangular. Surfaces irradiated with U, Xe, Cr and Ni ions do not show any significant difference between etch pit density and irradiation fluence, whereas the Ne-irradiated surface show /~14 times less etch pit density. The etching rate vH (parallel to cleavage) depends on the chemical composition of the phlogopite. The etching rate vT' (along the track) increases with energy loss. |
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251 |
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Bachelor's thesis |
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ISSN |
0168-583X |
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yes |
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Serial |
2412 |
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Author |
Giret A., Tourpin S., Marc S., Verdier O. & Cottin J.Y. |
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Title |
Volcanisme de l'Ile des Pingouins, Archipel Crozet, témoin de l'hétérogénéité du manteau fertile au sud de l'Océan Indien. |
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Journal Article |
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Year |
2002 |
Publication |
Comptes Rendus de Géoscience |
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Volume |
334 |
Issue |
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Pages |
481-488 |
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251 |
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Bachelor's thesis |
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ISSN |
1631-0713 |
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yes |
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Serial |
2416 |
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Author |
Rochette P., Sagnotti L., Consolmagno G., Folco L., Maras A., Panzarino F., Pesonen L., Serra R. & Terho M. |
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Title |
A database of magnetic susceptibility of stony meteorites. |
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Journal Article |
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Year |
2001 |
Publication |
Quaderni di Geofisica – Quaderni Geofisc |
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30 |
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412 |
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Bachelor's thesis |
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ISSN |
1590-2595 |
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yes |
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Serial |
2425 |
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Author |
Dubroca L., Guinet C., André J.M., Ben Mustapha S., Lea M.A. & Bonadonna F. |
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Title |
Distribution des prédateurs marins supérieurs en fonction des paramètres océanographiques mesurés et simulés : cas des otaries antarctiques (Arctocephalus gazella) à Kerguelen, et du rorqual commun (Balaenoptera physalus) en Méditerranée. |
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Journal Article |
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Year |
2001 |
Publication |
Océanis |
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Volume |
27 |
Issue |
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Pages |
83-100 |
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Programme |
109 |
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Thesis |
Bachelor's thesis |
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ISSN |
0182-0745 |
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yes |
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Serial |
2461 |
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Author |
Koudil M. & Guinet C. |
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Title |
Relation entre le phénomène El Niño et la reproduction du pétrel bleu (Halobaena carulea) à Kerguelen. |
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Journal Article |
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Year |
1998 |
Publication |
Océanis |
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Volume |
24 |
Issue |
3 |
Pages |
199-206 |
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109 |
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Bachelor's thesis |
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ISSN |
0182-0745 |
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Approved |
yes |
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Serial |
2466 |
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Author |
Pontier D., Fromont E. & Say L. |
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Title |
Le chat dans l’écosystème antarctique. |
Type |
Journal Article |
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Year |
2001 |
Publication |
Pour la science |
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Volume |
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Pages |
51 |
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Programme |
279 |
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Bachelor's thesis |
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ISSN |
0153-4092 |
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yes |
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2513 |
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Author |
Brossard T. & Joly D. |
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Title |
Modèles spatiaux à grande échelle en climatologie : exemple de la température et du vent au front des glaciers Loven (Svalbard). |
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Journal Article |
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Year |
2004 |
Publication |
Bulletin de l'association des géographes français |
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Volume |
2003-4 |
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Pages |
355-361 |
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Programme |
351 |
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Bachelor's thesis |
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ISSN |
0004-5322 |
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yes |
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Serial |
2546 |
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Author |
Griselin M. & Ormaux S. |
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Title |
Le paysage et ses temporalités en baie du Roi, Svalbard. |
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Journal Article |
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Year |
2004 |
Publication |
Bulletin de l'association des géographes français |
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Volume |
2003 |
Issue |
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Pages |
386-393 |
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Programme |
304 |
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Bachelor's thesis |
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ISSN |
0004-5322 |
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yes |
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Serial |
2547 |
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Author |
Mercier D. |
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Title |
Glaciaire, paraglaciaire, périglaciaire : relais et combinaisons de processus. |
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Journal Article |
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Year |
2003 |
Publication |
Bulletin de l'association des géographes français |
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Volume |
4 |
Issue |
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Pages |
349-354 |
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Programme |
400 |
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Bachelor's thesis |
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ISSN |
0004-5322 |
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yes |
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2548 |
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Author |
Moreau M. |
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Title |
La reconquête végétale des marges libérées des glaces depuis la fin du Petit Age Glaciaire, Spitsberg (presqu'île de Brogger) |
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Journal Article |
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Year |
2003 |
Publication |
Bulletin de l'association des géographes français |
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Volume |
4 |
Issue |
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Pages |
377-385 |
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Programme |
304;400 |
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Bachelor's thesis |
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ISSN |
0004-5322 |
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yes |
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Call Number |
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Serial |
2551 |
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