• Camille Parrish - background in hydrology, environmental protectionEnvironmental Studies Program

• Dykstra Eusden - background in geologic mapping, structural geologyDepartment of Geology

• Mathieu Duvall - background in data management for Arctic studiesDirector of the Imaging Center

Sponsors:NIH INBRE Program Howard Hughes Medical Institute

Bedrock Geologic Map of Cliff Island, Maine

Part of ES/GE 217 “Mapping and GIS”

Bates College

RESOURCES

• Bates College Imaging and Computing Center

Opened in 2007Multidisciplinary facility Dedicated to enhancing visual thinking

and communicationTwo full time staff

• Twenty one 2.1 GHz Windows computers with 2 GB RAM

• Each workstation is equipped withArcGIS v. 9.3, campus-wide site licenseAdobe InDesign, Photoshop and IllustratorLots of scanners, printers, and large format plotters

• Wired classroomAll assignments, lab projects, and homework uploaded to a web-based server “Lyceum”

LAB PROJECTS

• Phippsburg township land conservation, surficial features, and habitat mapping

• Surface Analysis and Modeling (DEM) of Casco Bay region

• Lineament Analysis of Casco Bay and ArcScene Fly By

• Spatial Interpolation and Land Cover/Satellite Analysis Presidential Range, NH

• Watershed Delineation of Lake Auburn, Maine

• Cliff Island GPS Field Data and Geologic Map Construction

• Cliff Island Geology Map – ES/GE 217 • Overview of assignment • The purpose of this lab is to make a really

nice looking bedrock geologic map of part of Cliff Island in Casco Bay. You will be collecting geologic field data on Cliff Island, making the digital map in ArcMap and preparing the final publication map in Adobe InDesign.

• Your map must have the following key ingredients:  • 1) the map with patterned ……

• 2) the legend which includes …...

• 3) the photo gallery of rocks ….. • 4) the north arrow with magnetic declination …… • 5) the title of the map, the name(s) of the author, …… • 6) a laypersons description of what a geologic map is …… 

Bedrock Geology Mapping Exercise Cliff Island, Maine

Mesozoic (Triassic?) Basalt Dike

Ordovician Scarboro FormationSilver phyllite member

Ordovician Scarboro FormationRusty phyllite member

Ordovician Spring Point FormationMagnetite + garnet granofels

Ordovician Spring Point FormationMagnetite + garnet granofels

Ordovician Cape Elizabeth FormationGray schist/phyllite and granofels

Ordovician Cushing FormationWhite and dark gray gneisses

Finished geologic map of Cliff Island made by a student

A mapping exercise like this provides students with….

Experience using GPS linked with field data collection

Techniques in symbology and topology in Arc

Opportunity to think spatially about earth materials

Chance to make a publication quality final product geared for both the geologist and lay public

You can make a digital map of any earth materials near campus