Sm-Nd isotope systematics in garnet from different lithologies (Eastern Alps): Age results, and an evaluation of potential problems for garnet Sm-Nd chronometry

Chemical Geology

Volumn 185, Issue 3-4, 2002, Pages 255-281

  Thöni, Martin ^a  

^a UNIVERSITY OF VIENNA   (Austria)

Author keywords

Age replication; Eastern Alps; Leaching experiments; REE fractionation; Sm Nd garnet chronology

Indexed keywords

DATING METHOD; FRACTIONATION; GARNET; GEOCHRONOLOGY; LEACHING; NEODYMIUM; SAMARIUM;

AUSTRIA;

EID: 0036268639     PISSN: 00092541     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0009-2541(01)00410-7     Document Type: Article

References (119)

1. Rapid exhumation of the Zermatt Saas ophiolite deduced from high-precision Sm-Nd and Rb Sr geochronology
2. New garnets for old? Cautionary tales from young mountain belts
3. REE fractionation and Nd isotope disequilibrium during crustal anatexis: Constraints from Himalayan leucogranites
4. Garnet peridotite and eclogite Sm Nd mineral ages from the Lepontine dome (Swiss Alps): New evidence for Eocene high-pressure metamorphism in the Central Alps
5. Sm-Nd garnet ages and cooling history of high-temperature garnet peridotite massifs and high-pressure granulites from lower Austria
6. Age, origin and geodynamic significance of a polymetamorphic felsic intrusion in the Ötztal Crystalline Basement, Tirol, Austria
7. Complex Sm Nd and Lu Hf isotope systematics in metamorphic garnets from the Isua supracrustal belt, West Greenland
8. Separation of Hf and Lu for high-precision isotope analysis of rock samples by magnetic sector-multiple collector ICP-MS
9. Lu Hf isotope systematics of garnet pyroxenites from Beni Bousera, Morocco: Implications for Basalt origin
10. Trace element and Sm Nd 'age' zoning in garnets from peridotites of the Caledonian and Variscan Mountains and tectonic implications
11. High-resolution garnet chronometry and the rates of metamorphic processes
12. The relative diffusion of Pb, Nd, Sr and O in garnet
13. Petrological significance of prograde homogenization of growth zoning in garnet: An example from the Llano Uplift
14. Eclogites and the eclogite facies: Definitions and classifications
15. Rates of tectonometamorphic processes from rubidium and strontium isotopes in garnet
16. Correlation by Rb Sr geochronology of garnet growth histories from different structural levels within the Tauem Window, Eastern Alps
17. Early Tertiary eclogite facies metamorphism in the Monviso Ophiolite
18. Chronology of the pressure temperature history recorded by a granulite terrain
19. Dating the Indian continental subduction and collisional thickening in the Northwest Himalaya: Multichronology of the Tso Morari eclogites
20. The role of inclusions in U Pb and Sm Nd garnet geochronology: Stepwise dissolution experiments and trace uranium mapping by fission track analysis
21. Closure temperature in cooling geochronological and petrological systems
22. The Lu Hf dating of garnets and the ages of the Alpine high-pressure metamorphism
23. Insights into the nature and behaviour of metamorphic monazite; a chemical and isotopic study by EMP, SLMS and LA-PIMMS
24. Single mineral Pb Pb dating
25. New evidence for protolith ages of Lewisian granulites, Northwest Scotland
26. Sm Nd systematics of a tonalitic augen gneiss and its constituent minerals from Northern Michigan
27. Diffusion kinetics of samarium and neodymium in garnet, and a method of determining cooling rates of rocks
28. A P T t path for an (Ultra?-) high-pressure ultramafic/mafic rock association and its Felsic country rocks based on SHRIMP-dating of magmatic and metamorphic zircon domains. Example: Alpe Arami (Central Swiss Alps)
29. 35 Ma old ultrahigh-pressure metamorphism and evidence for very rapid exhumation in the Dora Maira Massif, Western Alps
30. Sm-Nd dating of multiple garnet growth events in an arc-continent collision zone, northwestern U.S. Cordillera
31. REE, Rb-Sr and Sm-Nd studies of Norwegian eclogites
32. Isotopic disequilibria (Sm/Nd, Rb/Sr) between minerals of coarse grained, low temperature garnet peridotites from Kimberley floors, Southern Africa
33. The meaning of Sm/Nd apparent ages from kimberlite-derived, coarse grained low temperature garnet peridotites from Yakutia
34. New petrological and structural data from the eclogite bearing polymetamorphic eastern Austroalpine basement nappes (NW Saualpe, Austria)
35. Preservation of Permo-Triassic low-pressure assemblages in the cretaceous high-pressure metamorphic Saualpe crystalline basement (Eastern Alps, Austria)
36. Eo-Alpine metamorphism in the Upper Austroalpine Schneeberg Complex (Eastern Alps, Italy/Austria): Constraints on the P-T-t-D evolution during decompression
37. Eo-Alpine andalusite from the Austroalpine Schneeberg/Monteneve complex (SE Ötztal basement, Italy/Austria): Petrological and geochronological data of metapelites constrain a single-phase cretaceous evolution
38. Transition from eclogite to amphibolite-facies metamorphism in the Austroalpine Ulten Zone
39. Retention of isotopic memory in garnets partially broken down during an overprinting granulite-facies metamorphism: Implications for the Sm-Nd closure temperature
40. Trace-element zoning in a metamorphic garnet
41. Metagranitoids and associated metasediments as indicators for the pre-Alpine magmatic and metamorphic evolution of the western Ötztal Basement (Kaunertal, Tirol)
42. Alpine metamorphism in the Eastern Alps
43. Metamorphic zircon formation by solid-state recrystallization of protolith igneous zircon
44. Sm-Nd dating and cooling history of Scourian granulites, Sutherland
45. Metamorphic interpretation of high-pressure-temperature metapelites with preserved growth zoning in garnet, Eastern Grenville Province, Canadian Shield
46. Nd and Sr systematics in an eclogite from Tanzania: Evidence for frozen mineral equilibria in the continental lithosphere
47. Isotopic constraints on garnet equilibration
48. εNd eclogites from an ultrahigh-pressure metamorphic terrane of China
49. The oldest UHP eclogites of the World: Age of UHP metamorphism, nature of protoliths and tectonic implications
50. Geochronology in migmatites-A Sm-Nd, U-Pb and Rb-Sr study from the Proterozoic Damara belt (Namibia): Implications for polyphase development of migmatisation in high-grade terranes
51. Petrology and geochronology of eclogites from the Variscan Schwarzwald (F.R.G.)
52. Further petrological and geochronological constraints on eclogites in the Variscan basement of the Schwarzwald (Germany)
53. The Triangle Shearzone, Zimbabwe, revisited: New data document an important event at 2.0 Ga in the Limpopo Belt
54. Isotopic peculiarities of an Archean pegmatite (Union Mine, Mica, South Africa): Geochemical and geochronological implications
55. 39Ar geochronological study on Guidong Granodiorite, Southeast China: Records of multiple tectonothermal events in a single pluton
56. U-Pb SHRIMP dating of zircon from the Novate granite (Bergell, Central Alps): Evidence for Oligocene-Miocene magmatism, Jurassic/Cretaceous continental rifting and opening of the Valais trough
57. Polymetamorphism of the Austroalpine Koralm basement: New evidence for a Permian event
58. 144Nd: Differential evolution of the lunar crust and mantle
59. Petrology of eclogites from the Saualpe, Austria
60. Sm Nd evidence for high-grade Ordovician metamorphism in the Arunta Block, Central Australia
61. The interpretation of U Pb and Sm-Nd ages from metamorphic garnet: Results from a combined bulk isotopic, step-leaching and SEM study
62. Interpretation of discordant U Pb zircon ages: An evaluation
63. U Pb systematics of garnet: Dating the growth of garnet in the late Archean Pikwitonei granulite domain at Cauchon and Natawahunan Lakes, Manitoba, Canada
64. Closure temperatures of the Sm-Nd system in metamorphic garnets
65. Nd isotopes in French Phanerozoic shales: External vs. internal aspects of crustal evolution
66. Petrology of the type locality eclogites from the Koralpe and Saualpe (Eastern Alps), Austria
67. Das Alter der Metamorphose von Metabasiten und Eklogiten in Kor- und Saualpe
68. Origin of eclogites from the Austroalpine Ötztal basement (Tirol, Austria): Geochemistry and Sm Nd vs. Rb-Sr isotope systematics
69. Eo-Alpine eclogitisation of Permian MORB-type gabbros in the Koralpe (Eastern Alps, Austria): New geochronological, geochemical and petrological data
70. Geochemistry and origin of eclogites from the type locality Koralpe and Saualpe, Eastern Alps, Austria
71. Rb-Sr- und K Ar-Evidenz für eine intensive alpidische Beeinflussung der Paragesteine in Kor- und Saualpe, SE-Ostalpen, Österreich
72. Sm-Nd isotope systematics of gabbro-eclogite transition
73. What dominates the Nd and Pb characteristics of garnet?
74. Metamorphosed and dismembered ophiolite suites in the basement units of the Eastern Alps
75. Geochemical and isotopic study of a norite - Eclogite transition in the European Variscan belt: Implications for U Pb zircon systematics in metabasic rocks
76. Evidence for inherited Sm-Nd isotopes in granitoid zircons
77. Re Os, Sm Nd, and Rb Sr isotope evidence for thick Archean lithospheric mantle beneath the Siberian craton modified by multistage metasomatism
78. Recrystallisation of oscillatory zoned zircon: Some geochronological and petrological implications
79. Comparison of laser ablation ICP-MS and isotope dilution REE analyses - Implications for Sm-Nd garnet geochronology
80. Trace element and isotope geochemistry of depleted peridotites from an N-MORB type ophiolite (Internal Ligurides, N. Italy)
81. Dating of eclogite-facies zircons: The age of Alpine metamorphism in the Sesia-Lanzo Zone (Western Alps)
82. Trace element distribution in Central Dabie eclogites
83. Pb stepwise leaching (PbSL) dating of garnet addressing the inclusion problem
84. Lu Hf garnet geochronology: Closure temperature relative to the Sm Nd system and the effects of trace mineral inclusions
85. New advances in Lu Hf geochronology
86. Variscan Sm-Nd and Ar-Ar ages of eclogite facies rocks from the Erzgebirge, Bohemian Massif
87. Metamorphic evolution of the Austroalpine units east of the Tauern Window: Indications for Jurassic strike slip tectonics
88. Permian garnets: Indication for a regional Permian metamorphism in the southern part of the Austroalpine basement units
89. Lithologien, Metamorphosegeschichte und tektonischer Bau der kristallinen Einheiten am Alpenostrand
90. Trace element zoning in pelitic garnet of the Black Hills, South Dakota
91. Geochemistry and age of ultra-high pressure metamorphic rocks from the Kokchetav massif (Northern Kazakhstan)
92. Strontium and samarium diffusion in diopside
93. Geochemistry and evolution of MORB-type eclogites from the Münchberg Massif, Southern Germany
94. Sm-Nd garnet dating of polyphase metamorphism: Northern Coast Mountains, South-eastern Alaska, U.S.A
95. P-T paths from modal proportions: Application to the Koralm Complex, Eastern Alps
96. A review of geochronological data from the Eastern Alps
97. Some new aspects of dating eclogites in orogenic belts: Sm-Nd, Rb-Sr, and Pb-Pb isotopic results from the Austroalpine Saualpe and Koralpe type-locality (Carinthia/ Styria, Southeastern Austria)
98. Garnet Sm-Nd data from the Saualpe and the Koralpe (Eastern Alps, Austria): Chronological and PT constraints on the thermal and tectonic history
99. Permo-Triassic pegmatites in the eo-Alpine eclogite-facies Koralpe complex, Austria: Age and magma source constraints from mineral chemical, Rb-Sr and Sm-Nd isotope data
100. Magmatic garnet with very high Sm/Nd ratios: The behaviour of the Sm-Nd system during Alpine eclogitization
101. Garnet Lu-Hf and Zircon SHRIMP U -Pb data confirm a late cretaceous age and fast exhumation rate for the type-locality eclogites in SE Austria (Saualpe, Eastern Alps)
102. Pb-Sr-Nd isotopic behavior of deeply subducted crustal rocks from the Dora Maira Massif, Western Alps, Italy: II. What is the age of the ultrahigh-pressure metamorphism?
103. Eocene age of eclogite metamorphism in Pakistan Himalaya: Implications for India-Eurasia collision
104. Sm-Nd isotopic study of garnets and their metamorphic host rocks
105. Timing of prograde metamorphism in the Zanskar Himalaya
106. A detailed isotopic and petrological study of a single garnet from the Gassetts Schist, Vermont
107. Isotopic chronometry of zoned garnets: Growth kinetics and metamorphic histories
108. Prograde and retrograde thermal histories from the Central Swiss Alps
109. The influence of high U-Th inclusions on the U-Th-Pb systematics of almandine-pyrope garnet: Results of a combined bulk dissolution, stepwise-leaching, and SEM study
110. Extensional versus compressional settings for metamorphism: Garnet chronometry and pressure-temperature-time histories in the Moine Supergroup, Northwest Scotland
111. Post-granulite facies monazite growth and rejuvenation during Permian to Lower Jurassic thermal and fluid events in the Ivrea Zone (Southern Alps)
112. U-Pb zircon and Sm-Nd geochronology of mafic and ultramafic rocks from the central part of the Tauern Window (Eastern Alps)
113. Palaeogeography and geodynamic evolution of the Gosau Group of the Northern Calcareous Alps (Late Cretaceous, Eastern Alps, Austria)
114. Inherited Sm/Nd isotope components preserved in monazite inclusions within garnets in leucogneiss from East Antarctica and implications for closure temperature studies