The richtersveld igneous complex, South Africa: U-Pb zircon and geochemical evidence for the beginning of neoproterozoic continental breakup

Journal of Geology

Volumn 109, Issue 4, 2001, Pages 493-508

  Frimmel, H E ^a   Zartman, R E ^a   Spath A ^a  

^a MAX PLANCK INSTITUTE FOR CHEMISTRY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

MAGMATISM; METAMORPHISM; PALEOZOIC; PROTEROZOIC; URANIUM SERIES DATING;

SOUTH AFRICA;

EID: 0034916046     PISSN: 00221376     EISSN: None     Source Type: Journal    
DOI: 10.1086/320795     Document Type: Article

References (45)

1. Rb-Sr and U-Pb geochronology of late Precambrian-early Paleozoic igneous activity in the Richtersveld (South Africa) and Southern South West Africa
2. New U-Pb age constraints on the katangan sequence, Central African copperbelt
3. Compositional evolution of the zoned calcalkaline magma chamber of Mount Mazama, Crater Lake, Oregon
4. Analytical techniques and database descriptions
5. Application of proton-microprobe data to trace-element partitioning in volcanic rocks
6. The Pan-African Gariep Belt in Southwestern Namibia and Western South Africa
7. Neoproterozoic tectono-thermal evolution of the Gariep Belt and its basement, Namibia/South Africa
8. Geochemistry and tectonic setting of magmatic units in the Pan-African Gariep Belt, Namibia
9. New Pb-Pb single zircon age constraints on the timing of Neoproterozoic glaciation and continental break-up in Namibia
10. Tectonic inversion and radiometric resetting of the basement in the Cape Fold Belt
11. Dating the Cape orogeny
12. Did the break-out of Laurentia turn Gondwanaland inside-out?
13. The break-up of Rodinia, birth of Gondwana, true polar wander and the snowball earth
14. Precise U-Pb zircon ages for early Damaran magmatism in the Summas Mountains and Welwitschia inlier, northern Damara belt, Namibia
15. A low-contamination method for hydrothermal decomposition of zircon and extraction of U and Pb for isotopic age determination
16. New zircon ages and regional significance for the evolution of the Pan-African orogen in Madagascar
17. SHRIMP U/Pb zircon geochronology of Neoproterozoic juvenile and crustal-reworked terranes in southernmost Brazil
18. The break-up of Rodinia: Did it start with a mantle plume beneath South China?
19. A computer program for processing Pb-U-Th isotope data
20. Isoplot 2.90: A plotting and regression program for radiogenic isotope data
21. A proposed giant radiating dyke swarm fragmented by the separation of Laurentia and Australia based on paleomagnetism of ca. 780 Ma mafic intrusions in Western North America
22. Trace element discrimination diagrams for the tectonic interpretation of granitic rocks
23. Neoproterozoic oceanic remnants in Eastern Brazil: Further evidence and refutation of an exclusively ensialic evolution for the Araçuaí-West Congo orogen
24. Neoproterozoic crustal accretion in central Brazil
25. The neoproterozoic supercontinent: Rodinia or Palaeopangaea?
26. Pan-African rifting and orogenesis in Southern to equatorial Africa and eastern Brazil
27. Zircon and granite petrology
28. Age relationships within the Vioolsdrif batholith, lower orange river region. II. Two stage emplacement history and the extent of Kibaran over-printing
29. Sm-Nd age and REE geochemistry of Proterozoic arc-related igneous rocks in the Richtersveld Subprovince, Namaqua mobile belt, Southern Africa
30. Time of emplacement and metamorphism of late Precambrian mafic dykes associated with the Pan-African Gariep orogeny, Southern Africa: Implications for the age of the Nama Group
31. The Orange River Group: A major Proterozoic calcalkaline volcanic belt in the Western Namaqua Province, Southern Africa
32. The history of granulite-facies metamorphism and crustal growth from single zircon U-Pb geochronology: Namaqualand, South Africa
33. Nature and composition of the continental crust: A lower crustal perspective
34. Partition coefficients of rare-earth elements between igneous matrix material and rock-forming mineral phenocrysts. II
35. Approximation of terrestrial lead-isotope evolution by a two-stage model
36. Variations in trace element partition coefficients in sanidine in the Cerro Toledo Rhyolite, Jemez Mountains, New Mexico: Effects of composition, temperature, and volatiles
37. Chemical and isotopic systematics of ocean basalts: Implications for mantle composition and processes
38. Geochemistry, Pb-Pb single zircon ages and Nd-Sr isotope composition of Precambrian rocks from southern and eastern Ethiopia: Implications for crustal evolution in East Africa
39. Trace element evolution in the phlegrean fields (central Italy): Fractional crystallization and selective enrichment
40. 39Ar geochronological constraints on the tectonic evolution of the easternmost part of the Zambezi orogenic belt, northeast Zimbabwe
41. Mantle underplating, granite tectonics, and metamorphic P-T-t paths
42. Ion microprobe U-Pb ages for Neoproterozoic basaltic magmatism in south-central Australia and implications for the breakup of Rodinia
43. Age and palaeomagnetism of the Mundine Well dyke swarm, Western Australia: Implications for an Australia-Laurentia connection at 755 Ma