Chronology and evolution of the Middle Proterozoic Albany‐Fraser Orogen, Western Australia

Nelson, David R.; Myers, John S.; Nutman, Allen P.

doi:10.1080/08120099508728218

Cited by 116 publications

(87 citation statements)

References 23 publications

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“…In the AlbanyFraser Orogeny, there is no evidence to date of tectonic or magmatic activity at ca. 1.59-1.55 Ga. Nelson et al (1995), however, interpreted the ca. 1.7-1.6-Ga felsic rocks of the Albany-Fraser Orogen to be arclike, with the collision of the WAC and SAC invoked by Clark et al (2000) between ca.…”

Section: Proterozoic Tectonic Evolution Of the Musgrave Blockmentioning

confidence: 99%

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Evidence for Early Mesoproterozoic Arc Magmatism in the Musgrave Block, Central Australia: Implications for Proterozoic Crustal Growth and Tectonic Reconstructions of Australia

Wade¹,

Barovich²,

Hand³

et al. 2006

The Journal of Geology

139

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Section: Proterozoic Tectonic Evolution Of the Musgrave Blockmentioning

confidence: 99%

“…1.35 and 1.26 Ga. Clearly, the arc magmatic and tectonic events documented in the Musgrave Block are part of a series of complicated events throughout the Musgrave and Albany-Fraser regions extending back to ca. 1.7 Ga (Nelson et al 1995).…”

Section: Proterozoic Tectonic Evolution Of the Musgrave Blockmentioning

confidence: 99%

Evidence for Early Mesoproterozoic Arc Magmatism in the Musgrave Block, Central Australia: Implications for Proterozoic Crustal Growth and Tectonic Reconstructions of Australia

Wade¹,

Barovich²,

Hand³

et al. 2006

The Journal of Geology

139

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“…For the Denman Glacier area, however, a comparative study on crustal residence ages is lacking, and a strong Neoproterozoic retrograde metamorphic effect may obscure a possible Mesoproterozoic influence. The Nd model ages calculated for the Windmill Islands area (Williams et al 1983; this study) fall within the range of Proterozoic to Archaean Nd model ages found in the Albany-Fraser Orogen (Fletcher et al 1983;McCulloch 1987;Fletcher et al 1991;Black et al 1992b;Nelson et al 1995) as well as the Bunger Hills area (Sheraton et al 1990), and show Fig. 5a, b Histograms of Nd model ages calculated for a the Albany province and the Fraser province of the Albany-Fraser Orogen of southern Western Australia, and b the Windmill Islands area and the Bunger Hills of East Antarctica.…”

Section: Discussionmentioning

confidence: 93%

“…It suggests that the Albany-Fraser Orogen may represent the rifted counterpart of the Mesoproterozoic orogenic belt exposed in the Windmill Islands area (e.g. Myers 1990Myers , 1993Nelson et al 1995;Myers et al 1996;Clark et al 2000). This Mesoproterozoic orogenic belt is likely to continue into other parts of East Antarctica (Bunger Hills, Denman Glacier area; e.g.…”

Section: Discussionmentioning

confidence: 97%

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Crustal residence history and garnet Sm–Nd ages of high-grade metamorphic rocks from the Windmill Islands area, East Antarctica

Möller

Post

Hensen

2002

Int J Earth Sci (Geol Rundsch)

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Nd whole-rock data from the Windmill Islands area yield early Proterozoic to middle Archaean Nd model ages. These crustal residence times are consistent with regional correlations with other parts of Antarctica (Bunger Hills, Denman Glacier area) and the AlbanyFraser Orogen of south-western Australia during the Mid-Proterozoic and thus support reconstructions with a continuous Mid-Proterozoic orogen in these areas. The new Nd isotope data provide strong evidence that no age boundary exists between the higher-and lower-grade parts of the Windmill Islands area, and that the metamorphic complex represents a single terrane with a common crustal history. The data support the notion of a time-link between the occurrence of intrusive charnockites (C-type magmas) and high-grade metamorphism. The magmatic rocks and orthogneisses in the area are interpreted to have a mixed source consisting of older crustal components, i.e. older sediments (ca. 3.2-2.6 Ga) and a younger mafic component (ca. 1.9 Ga). Two garnet Sm-Nd isochrons yield ages of 1156±17 Ma and 1137±2.5 Ma and are identical to SHRIMP U-Pb results on monazite from these samples. A garnet Sm-Nd age of 1123±13 Ma for the Ford granite is significantly younger than the SHRIMP U-Pb zircon age for this sample. The difference relates to the different closure temperature of each isotopic system and is thus interpreted as initial cooling after granulite facies metamorphism.

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Provenance of Cretaceous trench slope sediments from the Mesozoic Wandashan Orogen, NE China: Implications for determining ancient drainage systems and tectonics of the Paleo-Pacific

Sun

Wilde

et al. 2015

Tectonics

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The Wandashan Orogen of NE China is a typical accretionary orogen related to Paleo-Pacific subduction. The Raohe Complex, as a major part of the orogen, consists of mid-Triassic to mid-Jurassic radiolarian chert and intraoceanic igneous rocks in an accretionary prism overlain by weakly sheared terrestrial-sourced clastic trench slope sediments. Sensitive high-resolution ion microprobe U-Pb dating and LA-MC-ICPMS Hf isotopic analysis of detrital zircons from the terrestrial-sourced Yongfuqiao Formation sandstone show that most zircons are Phanerozoic (90%): 140-150 Ma (10%), 180-220 Ma (25%), 240-270 Ma (15%), 300-360 Ma (15%), 391-395 Ma (3%), and 450-540 Ma (20%), whereas 10% are Precambrian in age. About 90% of the zircons have ε Hf (t) values ranging from +11.1 to À12.8. This suggests that the major provenance of the trench slope sediments was from the adjacent eastern segment of the Central Asian Orogenic Belt and the Jiamusi Block. The age of the Yongfuqiao Formation is constrained to the earliest Cretaceous, which represents the accretion time of the mid-Triassic to mid-Jurassic oceanic complexes. When compared with the Mino Complex in Japan and the Tananao Complex in Taiwan, three different provenances are identified suggesting three ancient drainage systems which transported sediments from NE China, North China, and South China to the Paleo-Pacific subduction-accretion system.

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Chronology and evolution of the Middle Proterozoic Albany‐Fraser Orogen, Western Australia

Cited by 116 publications

References 23 publications

Evidence for Early Mesoproterozoic Arc Magmatism in the Musgrave Block, Central Australia: Implications for Proterozoic Crustal Growth and Tectonic Reconstructions of Australia

Evidence for Early Mesoproterozoic Arc Magmatism in the Musgrave Block, Central Australia: Implications for Proterozoic Crustal Growth and Tectonic Reconstructions of Australia

Crustal residence history and garnet Sm–Nd ages of high-grade metamorphic rocks from the Windmill Islands area, East Antarctica

Provenance of Cretaceous trench slope sediments from the Mesozoic Wandashan Orogen, NE China: Implications for determining ancient drainage systems and tectonics of the Paleo-Pacific

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