Field Trip Planner: Geology Hike

1. Geology Hike.

OBJECTIVE:

(1) Students recognize layers of sediments displayed throughout the canyon area. Understand the geologic time frame during which these layers of sediments were formed.

(2) Recognize and identify the various fossils in the area.

(3) Support art objectives by sketching the fossils.

NOTE: DO NOT ALLOW STUDENTS TO REMOVE ANY FOSSILS FROM THE MILLER SPRINGS AREA.

TIME REQUIRED:

When using the Green Pool trail (start near Mural Wall) and leading a group of 20 to 25 students down into the canyon near Green Pond, then following part of Bee Suck Hollow, discussing the layers of strata, looking for fossils and returning to the start point will take a full hour.

CONTENT MATTER:

The surface geology at Miller Springs begins with lime mud and clay deposited over 105 m.y. ago by an Early Cretaceous sea (see Geology of Miller Springs Nature Center (http://www.vvm.com/~jevans/igeology.html)). Activities include having students complete a Fossil Field Trip Report. Sketch mapping the exploration area and identifying locations/type of fossils that are observed and noting the three exposed Cretaceous formations (Edwards, Comanche Peak and Walnut formations). Notes and sketch maps lend themselves to students completing a"final report" of the Miller Springs visit upon their return to the classroom.

REQUIRED EQUIPMENT:

Station Leader Notes and map. Students require note taking/sketching material and hand lens for viewing fossils