Field Trip 1: Tertiary Clastics, Pine Bluff Golf Course and Red Bluff, Bastrop

I. OBJECTIVES:                                

• Measure and describe a section of terrigenous clastics.

• Draw an outcrop sketch to document stratigraphic relationships.

• Identify river pebbles for provenance determination.

• Identify sedimentary structures in several outcrops.

II. WHEN:

• January 28 OR 29 (Dr. Kerans); February 4 (Dr. Horton)

•  7:30 AM departure - see trip rosters on Blackboard.

We will leave the field at 4 PM and be back in Austin by about 5:30.

III. BRING:

• Clipboard, 8.5 x 11" paper, field book, & appropriate pages of the lab manual.

• Brunton compass, rulers, field book, tracing paper

• Mechanical & colored pencils, clipboard

• Hand lens, hammer, acid bottle

• Water, lunch, raincoat

IV. BACKGROUND MATERIAL

• A Google Earth file showing the trip route, stops and a geologic map of the locality.  Download  this file (6.3 Mb) and click on it to view.  You must have Google Earth (free) installed.  If you are new to Google Earth, see this great User's Guide or a 1 page tip sheet.
• See Field Trip 1 pages of your lab manual and the updated materials on Blackboard.
• The Cenozoic geology of the Austin area is described in the "Guidebook to the geology of Travis County".  See also the short section on terrace deposits.
• See photos of the 2006 trip.

Be on time and come prepared!