FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2912932742> ?p ?o ?g. }

• W2912932742 endingPage "33" @default.
• W2912932742 startingPage "18" @default.
• W2912932742 abstract "Strata of the Lower Cretaceous McMurray Formation in the McMurray Sub-Basin (MSB) of Alberta and Saskatchewan, Canada, comprise marginal marine, tidal-fluvial, fluvial and interfluve deposits. In the Firebag Tributary located in the northeastern portion of the sub-basin, a thick coal seam (up to >20 m) forms a semi-continuous bed at the top of the lowermost McMurray Fm deposits (herein referred to as Lower McMurray). In coastal plain settings, peat-forming mires are highly sensitive archives of base-level. We investigate the stratigraphic significance of coals in the Firebag Tributary by analyzing coal petrography (4 cores), coal geochemistry (2 cores), and coal distribution in ~4500 wells. Additionally, we record the first absolute age for the McMurray Fm through the dating of an ash layer within the coal seam. The petrographic character and distribution of coals in the northeastern part of the MSB suggest a complex history of base-level rise at the end of Lower McMurray deposition. Wetting-upward character coal seams record initial transgression of the Boreal Sea during a 4th order sea level rise (Milankovitch-scale) within lowstand to early transgressive systems tract conditions. Sea-level rise during Lower McMurray times was estimated based on temperate climate peat formation rates, as well as peat-to-coal compaction factors, and probably occurred on a scale of 0.5–3 mm a−1. Seam-internal wetting-upward cycles suggest that base-level rise was punctuated. Locally, compound and drying-upward character coals represent zones of high accommodation, wherein peat accumulation in mires was influenced by phases of syn-depositional subsidence and karst collapse. The thickest coals in the study area form an arc on a coastal plain as the Boreal Sea inundated east- to southeastward into the Firebag Tributary. Within the arc of thick coals, a north-south decrease in coal thickness is interpreted to reflect the general southward inundation of the Boreal Sea across the MSB. Exceptionally thick coals (>10 m) likely formed where basement processes (e.g., karsting in Devonian carbonates) provided preferential groundwater pathways. Chemical abrasion thermal ionization mass spectrometry dating of 5 sharply faceted zircons recovered from an ash bed within the coal provides the first absolute age (121.39 ± 0.2 Ma – Aptian) to the southward transgression of the Boreal Sea. We hypothesize that initial inundation of the MSB was related to tectonic activity in the Canadian Cordillera and the onset of magmatic flow in the western Coast Plutonic Complex." @default.
• W2912932742 created "2019-02-21" @default.
• W2912932742 creator A5048214621 @default.
• W2912932742 creator A5052933344 @default.
• W2912932742 creator A5083600826 @default.
• W2912932742 date "2019-03-01" @default.
• W2912932742 modified "2023-09-30" @default.
• W2912932742 title "Earliest Cretaceous Transgression of North America Recorded in Thick Coals: McMurray Sub-Basin, Canada" @default.
• W2912932742 cites W1669138304 @default.
• W2912932742 cites W1898112109 @default.
• W2912932742 cites W1922971704 @default.
• W2912932742 cites W1963660147 @default.
• W2912932742 cites W1965858395 @default.
• W2912932742 cites W1985540859 @default.
• W2912932742 cites W2000045862 @default.
• W2912932742 cites W2000221888 @default.
• W2912932742 cites W2021041237 @default.
• W2912932742 cites W2024036645 @default.
• W2912932742 cites W2030958259 @default.
• W2912932742 cites W2034016526 @default.
• W2912932742 cites W2035946915 @default.
• W2912932742 cites W2057231300 @default.
• W2912932742 cites W2061542873 @default.
• W2912932742 cites W2071595989 @default.
• W2912932742 cites W2080533059 @default.
• W2912932742 cites W2089620249 @default.
• W2912932742 cites W2092678733 @default.
• W2912932742 cites W2097654621 @default.
• W2912932742 cites W2108360086 @default.
• W2912932742 cites W2115875590 @default.
• W2912932742 cites W2116850781 @default.
• W2912932742 cites W2116997562 @default.
• W2912932742 cites W2127705220 @default.
• W2912932742 cites W2130709266 @default.
• W2912932742 cites W2138290946 @default.
• W2912932742 cites W2142200108 @default.
• W2912932742 cites W2146182846 @default.
• W2912932742 cites W2152102479 @default.
• W2912932742 cites W2321124097 @default.
• W2912932742 cites W2507125049 @default.
• W2912932742 cites W2535121794 @default.
• W2912932742 cites W2620974742 @default.
• W2912932742 cites W2621263198 @default.
• W2912932742 doi "https://doi.org/10.1016/j.coal.2019.01.011" @default.
• W2912932742 hasPublicationYear "2019" @default.
• W2912932742 type Work @default.
• W2912932742 sameAs 2912932742 @default.
• W2912932742 citedByCount "21" @default.
• W2912932742 countsByYear W29129327422019 @default.
• W2912932742 countsByYear W29129327422020 @default.
• W2912932742 countsByYear W29129327422021 @default.
• W2912932742 countsByYear W29129327422022 @default.
• W2912932742 countsByYear W29129327422023 @default.
• W2912932742 crossrefType "journal-article" @default.
• W2912932742 hasAuthorship W2912932742A5048214621 @default.
• W2912932742 hasAuthorship W2912932742A5052933344 @default.
• W2912932742 hasAuthorship W2912932742A5083600826 @default.
• W2912932742 hasConcept C109007969 @default.
• W2912932742 hasConcept C111368507 @default.
• W2912932742 hasConcept C112959462 @default.
• W2912932742 hasConcept C12294951 @default.
• W2912932742 hasConcept C126753816 @default.
• W2912932742 hasConcept C127313418 @default.
• W2912932742 hasConcept C131779963 @default.
• W2912932742 hasConcept C151730666 @default.
• W2912932742 hasConcept C166957645 @default.
• W2912932742 hasConcept C168056786 @default.
• W2912932742 hasConcept C16828302 @default.
• W2912932742 hasConcept C17409809 @default.
• W2912932742 hasConcept C205649164 @default.
• W2912932742 hasConcept C2777069839 @default.
• W2912932742 hasConcept C30370900 @default.
• W2912932742 hasConcept C53657456 @default.
• W2912932742 hasConcept C58640448 @default.
• W2912932742 hasConcept C59235061 @default.
• W2912932742 hasConcept C6494504 @default.
• W2912932742 hasConcept C74501621 @default.
• W2912932742 hasConcept C77271252 @default.
• W2912932742 hasConcept C93257316 @default.
• W2912932742 hasConcept C95457728 @default.
• W2912932742 hasConceptScore W2912932742C109007969 @default.
• W2912932742 hasConceptScore W2912932742C111368507 @default.
• W2912932742 hasConceptScore W2912932742C112959462 @default.
• W2912932742 hasConceptScore W2912932742C12294951 @default.
• W2912932742 hasConceptScore W2912932742C126753816 @default.
• W2912932742 hasConceptScore W2912932742C127313418 @default.
• W2912932742 hasConceptScore W2912932742C131779963 @default.
• W2912932742 hasConceptScore W2912932742C151730666 @default.
• W2912932742 hasConceptScore W2912932742C166957645 @default.
• W2912932742 hasConceptScore W2912932742C168056786 @default.
• W2912932742 hasConceptScore W2912932742C16828302 @default.
• W2912932742 hasConceptScore W2912932742C17409809 @default.
• W2912932742 hasConceptScore W2912932742C205649164 @default.
• W2912932742 hasConceptScore W2912932742C2777069839 @default.
• W2912932742 hasConceptScore W2912932742C30370900 @default.
• W2912932742 hasConceptScore W2912932742C53657456 @default.
• W2912932742 hasConceptScore W2912932742C58640448 @default.
• W2912932742 hasConceptScore W2912932742C59235061 @default.

• next