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Ichnology of the upper Toad and lower Liard formations, northeastern British Columbia: implications for infaunal recovery after the Permian- Triassic mass extinction
DownloadSpring 2012
The Middle Triassic upper Toad and lower Liard formations at Williston Lake in northwestern British Columbia contain a suite of highly diverse ichnofossils. The environmental distribution of the ichnofossils is wide, ranging from marine offshore to upper shoreface. Compared with the Lower...
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Quantitative Techniques in Ichnology and Sedimentology with Examples from the Cretaceous McMurray Formation, NE Alberta, Canada
DownloadSpring 2018
Process ichnology is a relatively new ichnological tool whereby trace fossils are interpreted as the product of changing infaunal stresses including: salinity fluctuation, reduced oxygenation, high sedimentation rates, reduced nutrient availability, and elevated hydraulic energy. In this...
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Sedimentology and Neoichnology of a Wave-Dominated, Tidally-Influenced, Fully Marine Bay, Oregon, USA
DownloadFall 2013
In the field of ichnology it is understood that modern process ichnological observations of biogenically generated structures, in response to various physicochemical parameters, have substantial applicability to deciphering trace fossil assemblages observed in the rock record. Previous research...
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Sedimentology and Stratigraphy of the Upper Cretaceous Milk River Formation and Alderson Member (Lea Park Formation) in Southeast Alberta, Canada
DownloadFall 2023
The Upper Cretaceous Milk River Formation-Lower Alderson Member zone in Southeast Alberta records deposition of a fine-grained siliciclastic delta-shoreface on the western margin of the Western Interior Seaway punctuated by significant episodes of shoreline transgression and regression. The...
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Sedimentology, Ichnology, Sequence Stratigraphy, and Petrography of the Falher F Unit, Wapiti Area, Northwestern Alberta
DownloadSpring 2019
The lower Albian (Cretaceous) Falher F submember of the Spirit River Formation in the Wapiti area consists of four stacked coarsening-upward successions of northward prograding strandplain to wave-dominated delta deposits. Routine core analyses revealed that four facies associations can be...