This decommissioned ERA site remains active temporarily to support our final migration steps to https://ualberta.scholaris.ca, ERA's new home. All new collections and items, including Spring 2025 theses, are at that site. For assistance, please contact erahelp@ualberta.ca.
Search
Skip to Search Results-
Interpretation of sponge fossil faunas: A neontological approach to a paleontological problem
DownloadFall 2021
The tempo and mode of early animal evolution remains one of the biggest conundrums in biology. Stratigraphy shows that there is a gap, not attributable to poor preservation, of at least ~100 Myr between the oldest animal fossils and the divergence times implied by molecular phylogenies. Sponges,...
-
Spring 2024
Yoho National Park protects the Burgess Shale: a chain of fossil beds in British Columbia bearing what paleontologist and science writer Stephen Jay Gould once called “the world’s most important animal fossils.” They are an extraordinary record of underwater soft-bodied organisms from just after...
-
Sedimentological and Ichnological Dynamics of the Early Cambrian Mount Clark Formation, Northwest Territories, Canada
DownloadSpring 2017
The early Cambrian Mount Clark Formation of the Northwest Territories comprises marginal marine to marine siliciclastic sediments deposited in an incipient rift basin on the margin of Laurentia. Within core and outcrop datasets the preserved record of sedimentation represents complex and highly...
-
Subsurface Analysis and Correlation of Cambrian Formations Beneath the Colville Hills, Northern Mainland, Northwest Territories
DownloadSpring 2018
The Lower and Middle Cambrian succession in the Colville Hills region, Northwest Territories consists of the Mount Clark, Mount Cap and Saline River Formations, which were deposited in an epicontinental basin. Significant research had been conducted over the last hundred years to better...