Abstract
The kaolin clay deposit is found in the Quarter AlluviumFormation (Qa) which is located in the Mataraman Subdistrict and aroundBanjar Regency, South Kalimantan Province, with a monoclinic geologicalstructure. The purpose of this study was to identify types of clay mineralsand physical and chemical characteristics. The analytical method used inthis study is the method of analysis of physical properties and chemicalproperties The study area clay has physical characteristics, elastic clay, easy to form with a mixture of sand and cricket such as quartzite andwhite. Based on the results of XRD analysis, the types of clay mineralsfound were Kaolinit, Mica and Quartz, the chemical requirements of theclay of the study area could be used as material for making ceramics and pottery.
Highlights
Mataraman Subdistrict with an area of 466,850 ha with an area morphology in the form of a weak-medium wavy plain with general slope angles approximately 10-30 ° and a difference in the relief height of a corrugated surface is estimated to be 8-15, plains of swamp land in the northern part of the region and geological conditions in the form of deposition basins containing alluvial deposits
The earth's crust consists of elements such as silicon, oxygen, and aluminum. in determining clay minerals can be carried out by methods based on chemical properties and methods based on physical properties with X-ray use, Sastiono (1997) and Sjarif (1991)
The results of physical properties of kaolin clay samples obtained from Specific Gravity 2.56 - 2.62 gr, Water Content 11.81 - 41.43%, Atterberg Limits (Liquid Limit) 39.50 47.40%, (Plastic Limit) 19.54 - 24.78%, (Plasticity Index) 16.16 - 25.26%
Summary
Mataraman Subdistrict with an area of 466,850 ha with an area morphology in the form of a weak-medium wavy plain with general slope angles approximately 10-30 ° and a difference in the relief height of a corrugated surface is estimated to be 8-15, plains of swamp land in the northern part of the region and geological conditions in the form of deposition basins containing alluvial deposits In this area has the potential of clay excavation material that has not been used optimally, with consideration of the potential economic value of the existing clay, it is necessary to study the clay. Kaolin has a hydrous aluminum silicate composition (Al2O3.2SiO2.2H2O), with accompanying minerals
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