AustralieFrV1, PascalFrancis, Corpus, bibRecord, 002031

Thermal history of the central Gotthard and Aar massifs, European Alps: Evidence for steady state, long-term exhumation

Identifieur interne : 002031 ( PascalFrancis/Corpus ); précédent : 002030; suivant : 002032

Thermal history of the central Gotthard and Aar massifs, European Alps: Evidence for steady state, long-term exhumation

Auteurs : C. Glotzbach ; J. Reinecker ; M. Danisik ; M. Rahn ; W. Frisch ; C. Spiegel

Source :

Journal of geophysical research [ 0148-0227 ] ; 2010.

RBID : Pascal:11-0086423

Descripteurs français

Pascal (Inist)
- Histoire thermique, Long terme, Exhumation, Géodynamique, Apatite, Zircon, Trace fission, Age, Température, Modélisation, Indentation, Chevauchement, Surrection, Climat, Extension, Pliocène, Dénudation, Fluctuation, Efficacité, Massif Aar, Massifs Cristallins Externes.

English descriptors

KwdEn :
- Aar Massif, External Crystalline Massifs, Indentation, Long term, Modeling, Pliocene, age, apatite, climate, denudation, efficiency, exhumation, extension, fission tracks, fluctuations, geodynamics, temperature, thermal history, thrust, uplifts, zircon.

Abstract

[1] Quantifying long-term exhumation rates is a prerequisite for understanding the geodynamic evolution of orogens and their exogenic and endogenic driving forces. Here we reconstruct the exhumation history of the central Aar and Gotthard external crystalline massifs in the European Alps using apatite and zircon fission track and apatite (U-Th)/He data. Age-elevation relationships and time-temperature paths derived from thermal history modeling are interpreted to reflect nearly constant exhumation of ˜0.5 km/Ma since ˜14 Ma. A slightly accelerated rate (˜0.7 km/Ma) occurred from 16 to 14 Ma and again from 10 to 7 Ma. Faster exhumation between 16 and 14 Ma is most likely linked to indentation of the Adriatic wedge and related thrusting along the Alpine sole thrust, which, in turn, caused uplift and exhumation in the external crystalline massifs. The data suggest nearly steady, moderate exhumation rates since ˜14 Ma, regardless of major exogenic and endogenic forces such as a change to wetter climate conditions around 5 Ma or orogen-perpendicular extension initiated in Pliocene times. Recent uplift and denudation rates, interpreted to be the result of climate fluctuations and associated increase in erosional efficiency, are nearly twice this ˜0.5 km/Ma paleoexhumation rate.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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C01	`01`		`ENG`	@0 [1] Quantifying long-term exhumation rates is a prerequisite for understanding the geodynamic evolution of orogens and their exogenic and endogenic driving forces. Here we reconstruct the exhumation history of the central Aar and Gotthard external crystalline massifs in the European Alps using apatite and zircon fission track and apatite (U-Th)/He data. Age-elevation relationships and time-temperature paths derived from thermal history modeling are interpreted to reflect nearly constant exhumation of ˜0.5 km/Ma since ˜14 Ma. A slightly accelerated rate (˜0.7 km/Ma) occurred from 16 to 14 Ma and again from 10 to 7 Ma. Faster exhumation between 16 and 14 Ma is most likely linked to indentation of the Adriatic wedge and related thrusting along the Alpine sole thrust, which, in turn, caused uplift and exhumation in the external crystalline massifs. The data suggest nearly steady, moderate exhumation rates since ˜14 Ma, regardless of major exogenic and endogenic forces such as a change to wetter climate conditions around 5 Ma or orogen-perpendicular extension initiated in Pliocene times. Recent uplift and denudation rates, interpreted to be the result of climate fluctuations and associated increase in erosional efficiency, are nearly twice this ˜0.5 km/Ma paleoexhumation rate.
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Format Inist (serveur)

NO :	PASCAL 11-0086423 INIST
ET :	Thermal history of the central Gotthard and Aar massifs, European Alps: Evidence for steady state, long-term exhumation
AU :	GLOTZBACH (C.); REINECKER (J.); DANISIK (M.); RAHN (M.); FRISCH (W.); SPIEGEL (C.)
AF :	Laboratoire de Géodynamique des Chaînes Alpines, Observatoire des Sciences de l'Univers de Grenoble, Université Joseph Fourier/Grenoble/France (1 aut.); Now at Institute of Geology, University of Hannover/Hannover/Allemagne (1 aut.); Institute for Geoscience, University of Tübingen/Tübingen/Allemagne (2 aut., 5 aut.); John de Laeter Centre of Mass Spectrometry, Applied Geology, Curtin University of Technology/Perth, Western Australia/Australie (3 aut.); Institute of Geoscience, University of Freiburg/Freiburg/Allemagne (4 aut.); FB 5: Geoscience, University of Bremen/Bremen/Allemagne (6 aut.)
DT :	Publication en série; Niveau analytique
SO :	Journal of geophysical research; ISSN 0148-0227; Etats-Unis; Da. 2010; Vol. 115; No. F3; F03017.1-F03017.24; Bibl. 2 p.3/4
LA :	Anglais
EA :	[1] Quantifying long-term exhumation rates is a prerequisite for understanding the geodynamic evolution of orogens and their exogenic and endogenic driving forces. Here we reconstruct the exhumation history of the central Aar and Gotthard external crystalline massifs in the European Alps using apatite and zircon fission track and apatite (U-Th)/He data. Age-elevation relationships and time-temperature paths derived from thermal history modeling are interpreted to reflect nearly constant exhumation of ˜0.5 km/Ma since ˜14 Ma. A slightly accelerated rate (˜0.7 km/Ma) occurred from 16 to 14 Ma and again from 10 to 7 Ma. Faster exhumation between 16 and 14 Ma is most likely linked to indentation of the Adriatic wedge and related thrusting along the Alpine sole thrust, which, in turn, caused uplift and exhumation in the external crystalline massifs. The data suggest nearly steady, moderate exhumation rates since ˜14 Ma, regardless of major exogenic and endogenic forces such as a change to wetter climate conditions around 5 Ma or orogen-perpendicular extension initiated in Pliocene times. Recent uplift and denudation rates, interpreted to be the result of climate fluctuations and associated increase in erosional efficiency, are nearly twice this ˜0.5 km/Ma paleoexhumation rate.
CC :	001E; 001E01; 220
FD :	Histoire thermique; Long terme; Exhumation; Géodynamique; Apatite; Zircon; Trace fission; Age; Température; Modélisation; Indentation; Chevauchement; Surrection; Climat; Extension; Pliocène; Dénudation; Fluctuation; Efficacité; Massif Aar; Massifs Cristallins Externes
FG :	Phosphate; Nésosilicate; Silicate; Néogène; Tertiaire sup; Tertiaire; Cénozoïque; Phanérozoïque; Alpes Suisses; Alpes; Europe; Alpes Occidentales
ED :	thermal history; Long term; exhumation; geodynamics; apatite; zircon; fission tracks; age; temperature; Modeling; Indentation; thrust; uplifts; climate; extension; Pliocene; denudation; fluctuations; efficiency; Aar Massif; External Crystalline Massifs
EG :	phosphates; nesosilicates; silicates; Neogene; upper Tertiary; Tertiary; Cenozoic; Phanerozoic; Swiss Alps; Alps; Europe; Western Alps
SD :	Largo plazo; Geodinámica; Apatito; Zircón; Traza fisión; Edad; Temperatura; Modelización; Indentación; Clima; Extensión; Plioceno; Denudación; Fluctuación; Macizo Aar
LO :	INIST-3144.354000192540780170
ID :	11-0086423

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Pascal:11-0086423

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aar Massif</term>
<term>External Crystalline Massifs</term>
<term>Indentation</term>
<term>Long term</term>
<term>Modeling</term>
<term>Pliocene</term>
<term>age</term>
<term>apatite</term>
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<term>extension</term>
<term>fission tracks</term>
<term>fluctuations</term>
<term>geodynamics</term>
<term>temperature</term>
<term>thermal history</term>
<term>thrust</term>
<term>uplifts</term>
<term>zircon</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Histoire thermique</term>
<term>Long terme</term>
<term>Exhumation</term>
<term>Géodynamique</term>
<term>Apatite</term>
<term>Zircon</term>
<term>Trace fission</term>
<term>Age</term>
<term>Température</term>
<term>Modélisation</term>
<term>Indentation</term>
<term>Chevauchement</term>
<term>Surrection</term>
<term>Climat</term>
<term>Extension</term>
<term>Pliocène</term>
<term>Dénudation</term>
<term>Fluctuation</term>
<term>Efficacité</term>
<term>Massif Aar</term>
<term>Massifs Cristallins Externes</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">[1] Quantifying long-term exhumation rates is a prerequisite for understanding the geodynamic evolution of orogens and their exogenic and endogenic driving forces. Here we reconstruct the exhumation history of the central Aar and Gotthard external crystalline massifs in the European Alps using apatite and zircon fission track and apatite (U-Th)/He data. Age-elevation relationships and time-temperature paths derived from thermal history modeling are interpreted to reflect nearly constant exhumation of ˜0.5 km/Ma since ˜14 Ma. A slightly accelerated rate (˜0.7 km/Ma) occurred from 16 to 14 Ma and again from 10 to 7 Ma. Faster exhumation between 16 and 14 Ma is most likely linked to indentation of the Adriatic wedge and related thrusting along the Alpine sole thrust, which, in turn, caused uplift and exhumation in the external crystalline massifs. The data suggest nearly steady, moderate exhumation rates since ˜14 Ma, regardless of major exogenic and endogenic forces such as a change to wetter climate conditions around 5 Ma or orogen-perpendicular extension initiated in Pliocene times. Recent uplift and denudation rates, interpreted to be the result of climate fluctuations and associated increase in erosional efficiency, are nearly twice this ˜0.5 km/Ma paleoexhumation rate.</div>
</front>
</TEI>
<inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0148-0227</s0>
</fA01>
<fA03 i2="1"><s0>J. geophys. res.</s0>
</fA03>
<fA05><s2>115</s2>
</fA05>
<fA06><s2>F3</s2>
</fA06>
<fA08 i1="01" i2="1" l="ENG"><s1>Thermal history of the central Gotthard and Aar massifs, European Alps: Evidence for steady state, long-term exhumation</s1>
</fA08>
<fA11 i1="01" i2="1"><s1>GLOTZBACH (C.)</s1>
</fA11>
<fA11 i1="02" i2="1"><s1>REINECKER (J.)</s1>
</fA11>
<fA11 i1="03" i2="1"><s1>DANISIK (M.)</s1>
</fA11>
<fA11 i1="04" i2="1"><s1>RAHN (M.)</s1>
</fA11>
<fA11 i1="05" i2="1"><s1>FRISCH (W.)</s1>
</fA11>
<fA11 i1="06" i2="1"><s1>SPIEGEL (C.)</s1>
</fA11>
<fA14 i1="01"><s1>Laboratoire de Géodynamique des Chaînes Alpines, Observatoire des Sciences de l'Univers de Grenoble, Université Joseph Fourier</s1>
<s2>Grenoble</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
</fA14>
<fA14 i1="02"><s1>Now at Institute of Geology, University of Hannover</s1>
<s2>Hannover</s2>
<s3>DEU</s3>
<sZ>1 aut.</sZ>
</fA14>
<fA14 i1="03"><s1>Institute for Geoscience, University of Tübingen</s1>
<s2>Tübingen</s2>
<s3>DEU</s3>
<sZ>2 aut.</sZ>
<sZ>5 aut.</sZ>
</fA14>
<fA14 i1="04"><s1>John de Laeter Centre of Mass Spectrometry, Applied Geology, Curtin University of Technology</s1>
<s2>Perth, Western Australia</s2>
<s3>AUS</s3>
<sZ>3 aut.</sZ>
</fA14>
<fA14 i1="05"><s1>Institute of Geoscience, University of Freiburg</s1>
<s2>Freiburg</s2>
<s3>DEU</s3>
<sZ>4 aut.</sZ>
</fA14>
<fA14 i1="06"><s1>FB 5: Geoscience, University of Bremen</s1>
<s2>Bremen</s2>
<s3>DEU</s3>
<sZ>6 aut.</sZ>
</fA14>
<fA20><s2>F03017.1-F03017.24</s2>
</fA20>
<fA21><s1>2010</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>3144</s2>
<s5>354000192540780170</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2011 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>2 p.3/4</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>11-0086423</s0>
</fA47>
<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Journal of geophysical research</s0>
</fA64>
<fA66 i1="01"><s0>USA</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>[1] Quantifying long-term exhumation rates is a prerequisite for understanding the geodynamic evolution of orogens and their exogenic and endogenic driving forces. Here we reconstruct the exhumation history of the central Aar and Gotthard external crystalline massifs in the European Alps using apatite and zircon fission track and apatite (U-Th)/He data. Age-elevation relationships and time-temperature paths derived from thermal history modeling are interpreted to reflect nearly constant exhumation of ˜0.5 km/Ma since ˜14 Ma. A slightly accelerated rate (˜0.7 km/Ma) occurred from 16 to 14 Ma and again from 10 to 7 Ma. Faster exhumation between 16 and 14 Ma is most likely linked to indentation of the Adriatic wedge and related thrusting along the Alpine sole thrust, which, in turn, caused uplift and exhumation in the external crystalline massifs. The data suggest nearly steady, moderate exhumation rates since ˜14 Ma, regardless of major exogenic and endogenic forces such as a change to wetter climate conditions around 5 Ma or orogen-perpendicular extension initiated in Pliocene times. Recent uplift and denudation rates, interpreted to be the result of climate fluctuations and associated increase in erosional efficiency, are nearly twice this ˜0.5 km/Ma paleoexhumation rate.</s0>
</fC01>
<fC02 i1="01" i2="3"><s0>001E</s0>
</fC02>
<fC02 i1="02" i2="2"><s0>001E01</s0>
</fC02>
<fC02 i1="03" i2="2"><s0>220</s0>
</fC02>
<fC03 i1="01" i2="2" l="FRE"><s0>Histoire thermique</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="2" l="ENG"><s0>thermal history</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Long terme</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Long term</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Largo plazo</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="2" l="FRE"><s0>Exhumation</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="2" l="ENG"><s0>exhumation</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="2" l="FRE"><s0>Géodynamique</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="2" l="ENG"><s0>geodynamics</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="2" l="SPA"><s0>Geodinámica</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="2" l="FRE"><s0>Apatite</s0>
<s2>NZ</s2>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="ENG"><s0>apatite</s0>
<s2>NZ</s2>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="SPA"><s0>Apatito</s0>
<s2>NZ</s2>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="2" l="FRE"><s0>Zircon</s0>
<s2>NZ</s2>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="2" l="ENG"><s0>zircon</s0>
<s2>NZ</s2>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="2" l="SPA"><s0>Zircón</s0>
<s2>NZ</s2>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="2" l="FRE"><s0>Trace fission</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="2" l="ENG"><s0>fission tracks</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="2" l="SPA"><s0>Traza fisión</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="2" l="FRE"><s0>Age</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="2" l="ENG"><s0>age</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="2" l="SPA"><s0>Edad</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="2" l="FRE"><s0>Température</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="2" l="ENG"><s0>temperature</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="2" l="SPA"><s0>Temperatura</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Modélisation</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Modeling</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Modelización</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Indentation</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG"><s0>Indentation</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA"><s0>Indentación</s0>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="2" l="FRE"><s0>Chevauchement</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="2" l="ENG"><s0>thrust</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="2" l="FRE"><s0>Surrection</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="2" l="ENG"><s0>uplifts</s0>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="2" l="FRE"><s0>Climat</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="2" l="ENG"><s0>climate</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="2" l="SPA"><s0>Clima</s0>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="2" l="FRE"><s0>Extension</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="2" l="ENG"><s0>extension</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="2" l="SPA"><s0>Extensión</s0>
<s5>15</s5>
</fC03>
<fC03 i1="16" i2="2" l="FRE"><s0>Pliocène</s0>
<s2>NX</s2>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="2" l="ENG"><s0>Pliocene</s0>
<s2>NX</s2>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="2" l="SPA"><s0>Plioceno</s0>
<s2>NX</s2>
<s5>16</s5>
</fC03>
<fC03 i1="17" i2="2" l="FRE"><s0>Dénudation</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="2" l="ENG"><s0>denudation</s0>
<s5>17</s5>
</fC03>
<fC03 i1="17" i2="2" l="SPA"><s0>Denudación</s0>
<s5>17</s5>
</fC03>
<fC03 i1="18" i2="2" l="FRE"><s0>Fluctuation</s0>
<s5>18</s5>
</fC03>
<fC03 i1="18" i2="2" l="ENG"><s0>fluctuations</s0>
<s5>18</s5>
</fC03>
<fC03 i1="18" i2="2" l="SPA"><s0>Fluctuación</s0>
<s5>18</s5>
</fC03>
<fC03 i1="19" i2="2" l="FRE"><s0>Efficacité</s0>
<s5>19</s5>
</fC03>
<fC03 i1="19" i2="2" l="ENG"><s0>efficiency</s0>
<s5>19</s5>
</fC03>
<fC03 i1="20" i2="2" l="FRE"><s0>Massif Aar</s0>
<s2>NG</s2>
<s5>61</s5>
</fC03>
<fC03 i1="20" i2="2" l="ENG"><s0>Aar Massif</s0>
<s2>NG</s2>
<s5>61</s5>
</fC03>
<fC03 i1="20" i2="2" l="SPA"><s0>Macizo Aar</s0>
<s2>NG</s2>
<s5>61</s5>
</fC03>
<fC03 i1="21" i2="2" l="FRE"><s0>Massifs Cristallins Externes</s0>
<s2>NG</s2>
<s5>63</s5>
</fC03>
<fC03 i1="21" i2="2" l="ENG"><s0>External Crystalline Massifs</s0>
<s2>NG</s2>
<s5>63</s5>
</fC03>
<fC07 i1="01" i2="2" l="FRE"><s0>Phosphate</s0>
<s2>NZ</s2>
</fC07>
<fC07 i1="01" i2="2" l="ENG"><s0>phosphates</s0>
<s2>NZ</s2>
</fC07>
<fC07 i1="01" i2="2" l="SPA"><s0>Fosfato</s0>
<s2>NZ</s2>
</fC07>
<fC07 i1="02" i2="2" l="FRE"><s0>Nésosilicate</s0>
<s2>NZ</s2>
</fC07>
<fC07 i1="02" i2="2" l="ENG"><s0>nesosilicates</s0>
<s2>NZ</s2>
</fC07>
<fC07 i1="03" i2="2" l="FRE"><s0>Silicate</s0>
<s2>NZ</s2>
</fC07>
<fC07 i1="03" i2="2" l="ENG"><s0>silicates</s0>
<s2>NZ</s2>
</fC07>
<fC07 i1="03" i2="2" l="SPA"><s0>Silicato</s0>
<s2>NZ</s2>
</fC07>
<fC07 i1="04" i2="2" l="FRE"><s0>Néogène</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="04" i2="2" l="ENG"><s0>Neogene</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="04" i2="2" l="SPA"><s0>Neógeno</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="05" i2="2" l="FRE"><s0>Tertiaire sup</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="05" i2="2" l="ENG"><s0>upper Tertiary</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="06" i2="2" l="FRE"><s0>Tertiaire</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="06" i2="2" l="ENG"><s0>Tertiary</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="06" i2="2" l="SPA"><s0>Terciario</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="07" i2="2" l="FRE"><s0>Cénozoïque</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="07" i2="2" l="ENG"><s0>Cenozoic</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="07" i2="2" l="SPA"><s0>Cenozoico</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="08" i2="2" l="FRE"><s0>Phanérozoïque</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="08" i2="2" l="ENG"><s0>Phanerozoic</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="08" i2="2" l="SPA"><s0>Fanerozoico</s0>
<s2>NX</s2>
</fC07>
<fC07 i1="09" i2="2" l="FRE"><s0>Alpes Suisses</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="09" i2="2" l="ENG"><s0>Swiss Alps</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="09" i2="2" l="SPA"><s0>Alpes Suizos</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="10" i2="2" l="FRE"><s0>Alpes</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="10" i2="2" l="ENG"><s0>Alps</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="10" i2="2" l="SPA"><s0>Alpes</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="11" i2="2" l="FRE"><s0>Europe</s0>
<s2>564</s2>
</fC07>
<fC07 i1="11" i2="2" l="ENG"><s0>Europe</s0>
<s2>564</s2>
</fC07>
<fC07 i1="11" i2="2" l="SPA"><s0>Europa</s0>
<s2>564</s2>
</fC07>
<fC07 i1="12" i2="2" l="FRE"><s0>Alpes Occidentales</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="12" i2="2" l="ENG"><s0>Western Alps</s0>
<s2>NG</s2>
</fC07>
<fC07 i1="12" i2="2" l="SPA"><s0>Alpes Occidentales</s0>
<s2>NG</s2>
</fC07>
<fN21><s1>059</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
<server><NO>PASCAL 11-0086423 INIST</NO>
<ET>Thermal history of the central Gotthard and Aar massifs, European Alps: Evidence for steady state, long-term exhumation</ET>
<AU>GLOTZBACH (C.); REINECKER (J.); DANISIK (M.); RAHN (M.); FRISCH (W.); SPIEGEL (C.)</AU>
<AF>Laboratoire de Géodynamique des Chaînes Alpines, Observatoire des Sciences de l'Univers de Grenoble, Université Joseph Fourier/Grenoble/France (1 aut.); Now at Institute of Geology, University of Hannover/Hannover/Allemagne (1 aut.); Institute for Geoscience, University of Tübingen/Tübingen/Allemagne (2 aut., 5 aut.); John de Laeter Centre of Mass Spectrometry, Applied Geology, Curtin University of Technology/Perth, Western Australia/Australie (3 aut.); Institute of Geoscience, University of Freiburg/Freiburg/Allemagne (4 aut.); FB 5: Geoscience, University of Bremen/Bremen/Allemagne (6 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of geophysical research; ISSN 0148-0227; Etats-Unis; Da. 2010; Vol. 115; No. F3; F03017.1-F03017.24; Bibl. 2 p.3/4</SO>
<LA>Anglais</LA>
<EA>[1] Quantifying long-term exhumation rates is a prerequisite for understanding the geodynamic evolution of orogens and their exogenic and endogenic driving forces. Here we reconstruct the exhumation history of the central Aar and Gotthard external crystalline massifs in the European Alps using apatite and zircon fission track and apatite (U-Th)/He data. Age-elevation relationships and time-temperature paths derived from thermal history modeling are interpreted to reflect nearly constant exhumation of ˜0.5 km/Ma since ˜14 Ma. A slightly accelerated rate (˜0.7 km/Ma) occurred from 16 to 14 Ma and again from 10 to 7 Ma. Faster exhumation between 16 and 14 Ma is most likely linked to indentation of the Adriatic wedge and related thrusting along the Alpine sole thrust, which, in turn, caused uplift and exhumation in the external crystalline massifs. The data suggest nearly steady, moderate exhumation rates since ˜14 Ma, regardless of major exogenic and endogenic forces such as a change to wetter climate conditions around 5 Ma or orogen-perpendicular extension initiated in Pliocene times. Recent uplift and denudation rates, interpreted to be the result of climate fluctuations and associated increase in erosional efficiency, are nearly twice this ˜0.5 km/Ma paleoexhumation rate.</EA>
<CC>001E; 001E01; 220</CC>
<FD>Histoire thermique; Long terme; Exhumation; Géodynamique; Apatite; Zircon; Trace fission; Age; Température; Modélisation; Indentation; Chevauchement; Surrection; Climat; Extension; Pliocène; Dénudation; Fluctuation; Efficacité; Massif Aar; Massifs Cristallins Externes</FD>
<FG>Phosphate; Nésosilicate; Silicate; Néogène; Tertiaire sup; Tertiaire; Cénozoïque; Phanérozoïque; Alpes Suisses; Alpes; Europe; Alpes Occidentales</FG>
<ED>thermal history; Long term; exhumation; geodynamics; apatite; zircon; fission tracks; age; temperature; Modeling; Indentation; thrust; uplifts; climate; extension; Pliocene; denudation; fluctuations; efficiency; Aar Massif; External Crystalline Massifs</ED>
<EG>phosphates; nesosilicates; silicates; Neogene; upper Tertiary; Tertiary; Cenozoic; Phanerozoic; Swiss Alps; Alps; Europe; Western Alps</EG>
<SD>Largo plazo; Geodinámica; Apatito; Zircón; Traza fisión; Edad; Temperatura; Modelización; Indentación; Clima; Extensión; Plioceno; Denudación; Fluctuación; Macizo Aar</SD>
<LO>INIST-3144.354000192540780170</LO>
<ID>11-0086423</ID>
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   |texte=   Thermal history of the central Gotthard and Aar massifs, European Alps: Evidence for steady state, long-term exhumation
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	Serveur d'exploration sur les relations entre la France et l'Australie
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Thermal history of the central Gotthard and Aar massifs, European Alps: Evidence for steady state, long-term exhumation

Thermal history of the central Gotthard and Aar massifs, European Alps: Evidence for steady state, long-term exhumation

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