Field Trip 5: Mapping Paleozoic Rocks, Llano Uplift

I. Objectives

• Make a geologic map of Pennsylvanian and Quaternary units on a small ranch east of Marble Falls.

• Write concise unit descriptions of each of the map units.

II. When

• April 14 OR April 15 (Dr. Helper);
  April 22 (Dr. Marrett)
• see the trip rosters on Blackboard

We depart at 8:00 AM from the east basement door and will be back on campus by about 6:15.

III. Bring

• Compass, hand lens, hammer
  
• Clipboard, field book
  
• Ink pens (2), colored pencils (6 minimum), eraser, protractor, mech. pencil
• Lunch, water, rain coat

Paleozoic Rocks (brown), Precambrian plutons
(pink) and Pennsylvanian faults in the Llano uplift.

IV. Background Material

•   Project Description
•   Geologic Map of the Marble Falls area
•   Simplified Geologic Map, Austin - Llano Area

• Project area maps; DOQ and DRG