2013
DOI: 10.1144/sp386.13
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Detrital monazite geochronology, Upper Jurassic–Lower Cretaceous of the Scotian Basin: significance for tracking first-cycle sources

Abstract: Monazite geochronology was applied to an east-west transect of latest Jurassic and Lower Cretaceous deltaic sandstones of the Scotian Basin, to assess sediment sources and dispersal pathways. More than 200 detrital monazite grains yielded 694 electron microprobe age determinations with 1s errors ,+20%. Based on age, external morphology, zoning, inclusions and major element chemistry (rare earth element [REE], Th, Y), monazite grains represent more than 20 discrete sources. Similar proportions of euhedral and s… Show more

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Cited by 11 publications
(6 citation statements)
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References 48 publications
(43 reference statements)
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“…Sand‐rich sedimentation returned during the Albian; during this time, the uplift of the Meguma Terrane had slowed (Reynolds et al, ) and the Sable and Banquereau rivers eroded through the Aptian basalt flows (Bowman et al, ). These sand‐rich sediments comprise the Cree Member of the Logan Canyon Formation, and share similar composition and geochemistry with the Upper Missisauga Formation (Pe‐Piper et al, ; Piper et al, ; Reynolds et al, ; Zhang et al, ), suggesting a return to the pre‐Naskapi member sedimentation conditions.…”
Section: Geological Settingmentioning
confidence: 95%
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“…Sand‐rich sedimentation returned during the Albian; during this time, the uplift of the Meguma Terrane had slowed (Reynolds et al, ) and the Sable and Banquereau rivers eroded through the Aptian basalt flows (Bowman et al, ). These sand‐rich sediments comprise the Cree Member of the Logan Canyon Formation, and share similar composition and geochemistry with the Upper Missisauga Formation (Pe‐Piper et al, ; Piper et al, ; Reynolds et al, ; Zhang et al, ), suggesting a return to the pre‐Naskapi member sedimentation conditions.…”
Section: Geological Settingmentioning
confidence: 95%
“…The Sable River was a large drainage system which sourced sediments from a variety of terrains to the central Scotian Basin, including the Mesoproterozoic Grenville Province of southern Labrador and eastern Quebec, the late Paleoproterozoic Makkovik Province of central Labrador, the Long Range inlier of western Newfoundland, Palaeozoic crystalline basement of the Appalachian orogen, and polycyclic sediments from the Carboniferous Maritimes Basin (Pe‐Piper & Piper, ; Piper, Pe‐Piper, Tubrett, Triantafyllidis, & Strathdee, ; Tsikouras, Pe‐Piper, Piper, & Schaffer, ). The Banquereau River supplied sediment dominantly to the eastern basin and was sourced through the Humber Valley in western Newfoundland from terrains found in central Newfoundland (Tsikouras et al, ) with minor sediments sourced from the Grenville and Makkovik provinces in the Labrador Rift (Pe‐Piper, Piper, & Triantafyllidis, ).…”
Section: Geological Settingmentioning
confidence: 99%
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“…In a break from the conventional U -Pb dating of zircon, Pe-Piper et al (2013) explore the use of monazite geochronology as a sediment provenance tool. The study combines the monazite geochronological data with morphology, zoning, inclusions and major element geochemistry data to identify 20 discrete sedimentary sources.…”
Section: Provenance Studies Linking Sediment To Sourcementioning
confidence: 99%