Iowa Geology Across Space and Time
This video highlights “Boneyard Hollow” in Dolliver Memorial State Park and its amazing geologic layers, and then compares it to the same layers currently forming on the banks of Saylorville Reservoir.
Location
Dolliver Memorial State Park and Saylorville Reservoir, Iowa
Driving Question
- How are we able to learn about ancient geologic processes?
Probing Questions
- How are the geologic principles playing out in Boneyard Hollow?
Classroom Suggestions
Students could:
- Research the geologic processes causing the changes at both locations.
- Compare and contrast how the Earth’s internal and external processes work to shape the landscapes.
Resources
- Michigan Technological University | Crossbedding: Reading the Rock:: Excellent information on the geologic process of crossbedding.
- Iowa Geological Survey (IGS) | Landforms of Iowa: A great resource for learning about Iowa’s geological past and landform regions.
- Iowa State University Extension: Landforms and Geology - Iowa's Nature Series: A free PDF booklet detailing Iowa geology, fossils and landforms.
Iowa Core Alignment
HS-ESS2-1:Develop a model to illustrate how Earth’s internal and surface processes operate at different spatial and temporal scales to form continental and ocean-floor features.
Credit Info
Submitted by Ryan Lensing.
Funding for Iowa Science Phenomena provided by:
