When last checked this resource was offline Our automated link checker has alerted the folks responsible for the part of our site where this problematic link is referenced.
If you have further information about the link (e.g. a new location where the information can be found) please let us know.
You may be able to find previous versions at the Internet Archive.
The goal of this virtual field trip to Iridium Hill, Montana is to investigate the disappearance of dinosaur fossils above the Cretaceous/ Tertiary boundary. The site provides rock outcrop photos of Cretaceous and Tertiary strata (Hell Creek and Fort Union Formations), stratigraphic sections and supporting text for this classic iridium-bearing locality. Topics include the K/T boundary, iridium concentrations, stratigraphy, sedimentology and, fluvial and lacustrine depositional environments.
This resource is referenced here:Subject: Biology,
Geoscience:Hydrology,
Geology
Resource Type:
Activities:Virtual Field Trip,
Audio/Visual:Images/Illustrations, Activities
Special Interest: Online Course or Activity
Focus on the Cretaceous: Paleontology
Theme:
Teach the Earth:Course Topics:Hydrology/Hydrogeology,
Teach the Earth:Teaching Topics:Water
Keywords: ancient river deposits, Chicxulub impact, extinction
