Fractured Rock Aquifers, Conyers, GA

with Lester Williams, USGS Hydrogeologist



Lester Williams describes a caliper tool used on the USGS well logging truck


Calibrating the caliper tool



Caliper tool in a 6-inch casing

Shelly and Tim help with calibration


Putting the caliper tool in the borehole


Installing the tool


Setting the initial depth



Tim and Lane run the electronics on the logging truck


Checking out a video televiewer log


Lester explaining various logging tools



Video log


Transfering data

Here is the caliper log we made


Checking out an outcrop

Lester at an outcrop of biotite gneiss overlain by amphibolite


Lester explaining how to identify rock type in saprolite


At the outcrop

Lester showing us his field maps

Explaining field mapping techniques



GPS



A weir at Panola Mountain

Stream level at Panola Mountain


Granite outcrop at Panola Mountain

Dry deposition gauge



Lester showing some exfoliation joints


Curtis and Tom discussing the outcrop over a smoke

lichen at Panola Mountain