Precise U-Pb zircon ages from Alderney, Channel Islands: Growing evidence for discrete Neoproterozoic magmatic episodes in Northern Cadomia

Geological Magazine

Volumn 138, Issue 6, 2001, Pages 719-726

  D'Lemos, R S ^a   Miller, B V ^b,c   Samson, S D ^b  

^a OXFORD BROOKES UNIVERSITY   (United Kingdom)

^b SYRACUSE UNIVERSITY   (United States)

^c UNIVERSITY OF NORTH CAROLINA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BINARY ALLOYS; BUILDINGS; LEAD ALLOYS; QUARTZ; SILICATE MINERALS; ZIRCON;

GRANODIORITE; LATE NEOPROTEROZOIC; MAGMATISMS; NEOPROTEROZOIC; U-PB AGES; U-PB ZIRCON AGES; XENOCRYSTS;

URANIUM ALLOYS;

CADOMIAN OROGENY; MAGMATISM; PROTEROZOIC; URANIUM SERIES DATING; ZIRCON;

ALDERNEY; CHANNEL ISLANDS; UNITED KINGDOM;

EID: 0035687145     PISSN: 00167568     EISSN: None     Source Type: Journal    
DOI: 10.1017/s0016756801005921     Document Type: Article

References (33)

1. K/Ar ages from the basement complex of the Channel Islands (United Kingdom) and adjacent French Mainland
2. Geochronology of the Channel Islands and adjacent French Mainland
3. The geochemistry of the foliated granitic rocks of Alderney, Channel Islands
4. Cadomian magmatism in the North Armorican Massif
5. 39Ar mineral ages
6. 39Ar mineral ages
7. Tectonothermal chronology of early Cadomian arc development in Guernsey and Sark, Channel Islands
8. Sm-Nd isotope characteristics of late Cadomian granite magmatism in Northern France and the Channel Islands
9. The Cadomian Orogeny in the North Armorican Massif: A brief review
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11. Improved accuracy of U-Pb zircon ages by the creation of more concordant systems using an air abrasion technique
12. Pb-Dat: A computer program for processing raw Pb-U-Th isotope data
13. Isoplot: A plotting and regression program for radiogenic isotopic data
14. Time span of plutonism, fabric development, and cooling in a Neoproterozoic magmatic arc segment: U-Pb age constraints from syn-tectonic plutons, Sark, Channel Islands, UK
15. U-Pb geochronological constraints on the timing of plutonism, volcanism, and sedimentation, Jersey, Channel Islands, U.K
16. Are crustal thickness variations in old mountain belts like the Appalachians a consequence of lithospheric delamination?
17. Behaviour of Rb-Sr whole rock and U-Pb zircon systems during partial melting as shown in migmatitic gneisses from the St Malo Massif, NE Brittany, France
18. Late Precambrian foliated plutonic complexes of the Channel Islands and La Hague: Early Cadomian plutonism
19. U-Pb geochronology and Sm-Nd isotopic composition of Proterozoic gneisses, Channel Islands, U. K
20. A precise late Neoproterozoic U-Pb zircon age for the syntectonic Perelle quartz diorite, Guernsey, Channel Islands, U. K
21. U-Pb geochronological investigation of exposed basement within the Cadomia terrane, Channel Islands: A test of indirect methods of basement characterization
22. Granite petrogenesis in the Gander Zone, NE Newfoundland: Mixing of melts from multiple sources and the role of lithospheric delamination
23. Neoproterozoic evolution of an active plate margin, North Armorican Massif, France
24. Cadomian terrane tectonics and magmatism in the North Armorican Massif
25. To each plutonic rock its proper name
26. The Alderney sandstone in relation to the ending of plutonism in the Channel Islands
27. 39Ar mineral cooling ages
28. Neoproterozoic shear zone tectonics within the Icartian basement of Guernsey and Sark, Channel Islands
29. Interpretation of microstructures in microgranitoid enclaves
30. Post-Cadomian erosion, deposition and basin development in the Channel Islands and Northern Brittany
31. Geochemical and isotopic characteristics of granitoids of the Avalon Zone, Southern New Brunswick: Possible evidence for repeated delamination events
32. Commingling of contrasted magmas and generation of mafic enclaves in granitic rocks