Trace element chemistry of zircons from oceanic crust: A method for distinguishing detrital zircon provenance

Grimes, C. B.; John, Barbara E.; Kelemen, P. B.; Mazdab, Frank K.; Wooden, Joseph L.; Cheadle, M. J.; Hanghøj, K.; Schwartz, Joshua

doi:10.1130/g23603a.1

Cited by 755 publications

(412 citation statements)

References 22 publications

Supporting

Mentioning

378

Contrasting

Unclassified

Order By: Relevance

“…8). The grains of this small group have U/Yb ratios of 0.21-0.35, slightly higher than those of oceaniccrust zircons analyzed from other regions (0.18, on average; Grimes et al 2007) but much lower than Figure 11. Ages for major units and events related to early Paleozoic orogeny in the Qilian Orogen area.…”

Section: Discussionmentioning

confidence: 59%

“…On the U/Yb-Hf, Th/Y-Hf, U/Yb-Y, and Th/Yb-Y diagrams ( fig. 8; Grimes et al 2007), nearly all the Cambrian-Silurian grains plot within the continental-zircon field, with several Cambrian-Ordovician grains within the overlap region between the continental-and oceanic-crust fields.…”

Section: Resultsmentioning

confidence: 99%

“…Given that most zircons formed at mid-ocean ridge (MOR) spreading centers are compositionally distinct from "continental" crustal zircons (Grimes et al 2007), detrital zircons may be used as a potential provenance indicator for oceanic crust. Trace-element data for the analyzed early Paleozoic zircons mainly plot within the field of continental zircons, with a small proportion of the grains falling in the overlap zone with oceanic-crust zircons ( fig.…”

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

From Subduction to Collision in the Northern Tibetan Plateau: Evidence from the Early Silurian Clastic Rocks, Northwestern China

Yang

Cawood³

et al. 2012

The Journal of Geology

View full text Add to dashboard Cite

JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org. The University of Chicago Press A B S T R A C TThe Qilian Orogen records early Paleozoic collisional suturing of the Qaidam Block and the Central Qilian Block to the North China Craton. The composition and U-Pb age of detrital zircons and the composition of Cr-spinels from the Early Silurian Lujiaogou and Angzanggou formations in the northern part of orogen indicate derivation from evolving oceanic and continental source terranes. Heavy-mineral chemistry indicates the incorporation of suprasubduction zone-type ophiolitic detritus in addition to continent-derived material. Integrating these chemical and age data with regional data on the duration of subduction-related magmatic activity, syn-and postcollisional granitic rocks, and high-pressure metamorphic rocks constrains the transformation from oceanic subduction to continental collision to 450-440 Ma. The collision resulted in a flood of detritus into the northern part of the orogen from the Central Qilian Block, which masked input from the intervening magmatic arc, implying rapid exposure of the block.

show abstract

Section: Discussionmentioning

confidence: 59%

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

From Subduction to Collision in the Northern Tibetan Plateau: Evidence from the Early Silurian Clastic Rocks, Northwestern China

Yang

Cawood³

et al. 2012

The Journal of Geology

View full text Add to dashboard Cite

show abstract

“…The fact that the PDL igneous rocks contain zircons with a continental source affinity (Appendix Fig. S4; after Grimes et al, 2007) likewise reveals that their parental magmas most likely occurred in a continental magmatic arc environment and has a crustal affinity. The oxygen isotope ratios of the studied zircons (δ 18 O =~5.8‰-6.9‰; Fig.…”

Section: Tectonic Setting Of the Late Triassic Magmatism In Yidun Termentioning

confidence: 99%

“…Magmatic zircon textures and compositions (e.g., REE, U, Hf, Yb, and Y) are sensitive indicators of magma compositions and the tectonic setting of magmatism (e.g., Wilde et al, 2001;Belousova et al, 2006;Claiborne et al, 2006;Grimes et al, 2007;Carley et al, 2014;Grimes et al, 2015). The PDL zircons have chondrite-normalized REE Sr/ 86 Sr = 0.715068 (Zhang, 2008).…”

Section: Tectonic Setting Of the Late Triassic Magmatism In Yidun Termentioning

confidence: 99%

Oxygen isotope and trace element geochemistry of zircons from porphyry copper system: Implications for Late Triassic metallogenesis within the Yidun Terrane, southeastern Tibetan Plateau

Kong

Chen

2016

Chemical Geology

View full text Add to dashboard Cite

Age and compositional data of zircon from sepiolite drilling mud to identify contamination of ocean drilling samples

Andrews

Schmitt

Busby

et al. 2016

Geochem Geophys Geosyst

View full text Add to dashboard Cite

Zircon extracted from drilled oceanic rocks is increasingly used to answer geologic questions related to igneous and sedimentary sequences. Recent zircon studies using samples obtained from marine drill cores revealed that drilling muds used in the coring process may contaminate the samples. The JOIDES Resolution Science Operator of the International Ocean Discovery Program has been using two types of clays, sepiolite and attapulgite, which both have salt water viscosifier properties able to create a gel‐like slurry that carries drill cuttings out of the holes several hundred meters deep. The dominantly used drilling mud is sepiolite originating from southwestern Nevada, USA. This sepiolite contains abundant zircon crystals with U‐Pb ages ranging from 1.89 to 2889 Ma and continental trace element, δ18O, and εHf isotopic compositions. A dominant population of 11–16 Ma zircons in sepiolite drilling mud makes identification of contamination in drilled Neogene successions particularly challenging. Interpretation of zircon analyses related to ocean drilling should be cautious of zircon ages in violation of independently constrained age models and that have age populations overlapping those in the sepiolite. Because individual geochronologic and geochemical characteristics lack absolute discriminatory power, it is recommended to comprehensively analyze all dated zircon crystals from cores exposed to drill mud for trace element, δ18O, and εHf isotopic compositions. Zircon analyzed in situ (i.e., in petrographic sections) are assumed to be trustworthy.

show abstract

Trace element chemistry of zircons from oceanic crust: A method for distinguishing detrital zircon provenance

Cited by 755 publications

References 22 publications

From Subduction to Collision in the Northern Tibetan Plateau: Evidence from the Early Silurian Clastic Rocks, Northwestern China

From Subduction to Collision in the Northern Tibetan Plateau: Evidence from the Early Silurian Clastic Rocks, Northwestern China

Oxygen isotope and trace element geochemistry of zircons from porphyry copper system: Implications for Late Triassic metallogenesis within the Yidun Terrane, southeastern Tibetan Plateau

Age and compositional data of zircon from sepiolite drilling mud to identify contamination of ocean drilling samples

Contact Info

Product

Resources

About