It was determined in an area about 7 by 27 miles, known as the Wren District, that approximately 5.9 billion short tons of kaolin averaging 35.55 pct al2o3 exists in an essentially continuous clay body. The Macon-Sandersville District consists of discontinuous kaolin bodies averaging 35.28 pct al2o3 with an average thickness of 28 ft. Tonnages for this district were not available. One hundred and twenty core samples of kaolin were anlayzed for k2o3, cao, mgo, al2o3, tio2, cr2o3, fe2o3, sio2, p2o5, and f. The p2o5 and f were analyzed by wet chemistry methods, and the others were analyzed by electron microprobe. Seventy-nine of the samples were from the Wrens District, 40 were from the Macon-Sandersville District, and 1 was from the Andersonville District. Emission spectroscopic analyses were made to qualitatively determine all elements present for each core. X-ray diffraction studies were made of each core to determine mineral species present. Scanning and transmission electron microscope pictures are given for each core sample. Elevations, overburden thickness, and kaolin thickness are given for each core site as well as map locations. Isopachs for overburden and kaolin thickness are given for the Wren District.