500-490 Ma detrital zircons in Upper Cambrian Worm Creek and correlative sandstones, Idaho, Montana, and Wyoming; magmatism and tectonism within the passive margin

Upper Cambrian feldspathic sandstones deposited across southeast Idaho, Montana, and Wyoming (USA) during the Sauk II-Sauk III regression boundary contain distinctive 500-490 Ma detrital zircon grains, derived from Late Cambrian plutons in the Lemhi arch of east-central Idaho. The Worm Creek Quartzi...

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Veröffentlicht in:	Lithosphere 2017-12, Vol.9 (6), p.910-926, Article 910
Hauptverfasser:	Link, Paul K, Todt, Mary Katherine, Pearson, David M, Thomas, Robert C
Format:	Artikel
Sprache:	eng
Schlagworte:	absolute age Bannock Range Bear River Range Beaverhead Pluton Cambrian cathodoluminescence central Idaho clastic rocks dates Deep Creek Pluton detritus east-central Idaho exhumation Flathead Sandstone Gallatin Limestone Hf/Hf Idaho igneous and metamorphic rocks igneous rocks intrusions Lemhi Arch lithosphere magmatism metamorphic rocks Middle Cambrian Montana nesosilicates North America Nounan Dolomite orthosilicates Paleozoic Petrology Pilgrim Formation plutons provenance quartzites Saint Charles Formation sandstone sedimentary rocks silicates siliciclastics southeastern Idaho Structural geology subsidence tectonics thin sections Transcontinental Arch U/Pb United States Upper Cambrian western Montana western Wyoming Wilbert Formation Worm Creek Quartzite Wyoming Wyoming Craton zircon zircon group
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