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Geomorphology Field Research Project: Geomorphology Field Research Project: Mountain Front Faulting & Alluvial FansMountain Front Faulting & Alluvial Fans
San Gabriel Mountain Foothills, San Gabriel Mountain Foothills, Southern, CaliforniaSouthern, California
Dr. Jeff Marshall - GSC 323Geological Sciences Department
Cal Poly Pomona University
Abbreviated Version for the Web
2008 Cutting Edge Workshop: Teaching Geomorphology in the 21st Century
Project OverviewProject Overview
Capstone project for Capstone project for
required upper division required upper division
Geomorphology course Geomorphology course
(GSC 323)(GSC 323)
Students work in teams Students work in teams
to investigate a local to investigate a local
landscape system: landscape system:
Mountain front alluvial Mountain front alluvial
fans & terraces of the fans & terraces of the
San Gabriel MountainsSan Gabriel Mountains
Project OverviewProject Overview
Integrates learning in:Integrates learning in:
• fluvial geomorphologyfluvial geomorphology
• Quaternary stratigraphy Quaternary stratigraphy
• soils & weatheringsoils & weathering
• tectonic geomorphologytectonic geomorphology
• climate changeclimate change
• landscape evolutionlandscape evolution
San Gabriel Mountains
Project GoalsProject Goals
The students will…The students will…
……integrate and apply integrate and apply
their geomorphology their geomorphology
course learning through course learning through
independent researchindependent research
Project GoalsProject Goals
The students will…The students will…
……develop skills in:develop skills in:
• teamworkteamwork
• project design project design
• literature reviewliterature review
• fieldworkfieldwork
• data analysis data analysis
• interpretationinterpretation
• report writingreport writing
• oral presentationoral presentation
Project GoalsProject Goals
The students will…The students will…
……learn to think like a learn to think like a
Geomorphologist !Geomorphologist !
Project Study Area:Project Study Area:San Gabriel Mtn. FoothillsSan Gabriel Mtn. Foothills
Fault Map of Study Area:Fault Map of Study Area:From a student reportFrom a student report
Aerial Photo of Study Area:Aerial Photo of Study Area:Taken by students in the classTaken by students in the class
Sierra Madre fault scarpSierra Madre fault scarp
Suburban sprawl along Suburban sprawl along mountain front thrust faultsmountain front thrust faults
Mt. Baldy & Mt. Baldy & San Antonio Creek San Antonio Creek
WatershedWatershed
An Iconic Southern An Iconic Southern California LandscapeCalifornia Landscape
Red HillRed HillRancho CucamongaRancho Cucamonga
Classic field site for Alluvial Classic field site for Alluvial Fan & Fault StudiesFan & Fault Studies
Eckis, R., 1928Eckis, R., 1928
Alluvial fans of the Cucamonga Alluvial fans of the Cucamonga district, southern California:district, southern California:
Journal of Geology, v. 36, p. 224-247Journal of Geology, v. 36, p. 224-247
Eckis, R., 1928Eckis, R., 1928
Alluvial fans of the Cucamonga Alluvial fans of the Cucamonga district, southern California:district, southern California:
Journal of Geology, v. 36, p. 224-247Journal of Geology, v. 36, p. 224-247
Shelton, J.S., 1955Shelton, J.S., 1955 Glendora volcanic rocks, Los Angeles Glendora volcanic rocks, Los Angeles basin, California:basin, California: Geological Society of Geological Society of America Bulletin, v. 66, p. 45-90America Bulletin, v. 66, p. 45-90
Baird, A., 1956Baird, A., 1956 Geology of a portion of San Antonio Geology of a portion of San Antonio Canyon, San Gabriel Mountains, California:Canyon, San Gabriel Mountains, California: M.S. Thesis, Pomona College, Claremont, M.S. Thesis, Pomona College, Claremont, CA, 91 pCA, 91 p
Calif. Div. of Mines & Geology, 1998Calif. Div. of Mines & Geology, 1998Seismic Hazard Zone Report for the Seismic Hazard Zone Report for the Glendora 7.5’ Quadrangle, Los Angeles Glendora 7.5’ Quadrangle, Los Angeles County, CaliforniaCounty, California
Morton, D.M. & Matti, J.C., 2001Morton, D.M. & Matti, J.C., 2001Geologic Map of the Cucamonga Peak 7.5’ Geologic Map of the Cucamonga Peak 7.5’ Quadrangle, San Bernardino County, Quadrangle, San Bernardino County, California:California: USGS OFR 01-311 USGS OFR 01-311
Thomas Dibblee Foundation, 2003Thomas Dibblee Foundation, 2003 Geologic Maps of the Glendora & Mount Geologic Maps of the Glendora & Mount Baldy 7.5’ QuadranglesBaldy 7.5’ Quadrangles
Nourse, J.A., 2007Nourse, J.A., 2007 Digital Geologic Map of the Eastern San Digital Geologic Map of the Eastern San Gabriel MountainsGabriel Mountains
Other Resources:Other Resources:
Project LogisticsProject Logistics Research teams ofResearch teams of
3 to 4 students3 to 4 students
Each team assigned a Each team assigned a
discrete field areadiscrete field area
Two project lab sessions:Two project lab sessions: Week 2: Intro Field TripWeek 2: Intro Field Trip Week 8: Follow-up TripWeek 8: Follow-up Trip
Teams work outside of Teams work outside of
class time to complete class time to complete
field and office workfield and office work
Other activities & field Other activities & field
trips on related topicstrips on related topics
Field Techniques & SkillsField Techniques & SkillsA few examples…A few examples…
Final ReportFinal Report Professional Format: Professional Format:
5 Pages of Text, plus 5 Pages of Text, plus
Illustrations & Reference ListIllustrations & Reference List
Introduction, Methods, Field Introduction, Methods, Field
Observations, Data & Results, Observations, Data & Results,
Discussion, ConclusionsDiscussion, Conclusions
Quaternary Geologic MapQuaternary Geologic Map
Stratigraphic Column & Stratigraphic Column &
2 Cross Sections2 Cross Sections
Soil Profile & Terrace Soil Profile & Terrace
Longitudinal ProfilesLongitudinal Profiles
Field Photographs, Sketches, Field Photographs, Sketches,
data appendices, etc.data appendices, etc.
Team PresentationTeam Presentation
Professional Powerpoint Professional Powerpoint
presentationpresentation
30 minutes long (during 30 minutes long (during
last lab session)last lab session)
Each team member Each team member
participates equallyparticipates equally
Follow same organization Follow same organization
as reportas report
Use illustrations and Use illustrations and
photos effectively photos effectively
Question & Answers: Question & Answers:
Class participationClass participation
Project OutcomesProject Outcomes
For students:For students:
Enhanced confidence Enhanced confidence
Their own geomorphic Their own geomorphic problem solving “Tool Kit”problem solving “Tool Kit”
Better understanding & Better understanding & appreciation of researchappreciation of research
Grad school interest (?)Grad school interest (?)
For the professor:For the professor:
New research questions New research questions & preliminary data & preliminary data
Senior thesis studentsSenior thesis students
Better teaching “buzz”Better teaching “buzz”
Allison Ruotolo & Rob Ellis presenting their project results
2006 GSA Cordilleran Section Meeting, Anchorage, AK
The end.The end.