A report on the Geologic Mapping of Area L in Igayaza Isingiro District Western Uganda.
Ginamara, Esther Otonga
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Students studying Geology and Petroleum Geoscience at Makerere University are expected to attend a field mapping exercise after second year in Igayaza Isingiro district to develop skills such as collecting,analyzing, interpreting, and making deductions on geologic data. Mapping was carried out in four square kilometers designated areas and geologic maps produced using software to give an overview of the lithology types and their distribution in the area. The area of this study is area L and the main lithology types were quartzite and shale among others. This report contains six chapters i.e., Chapter One Introduction, which gives the objectives of the field study, general information about the study area, its location and accessibility, regional geology and is crowned with the materials and methods used. Chapter Two Stratigraphy includes a detailed study of the stratigraphy in the Karagwe-Ankolean system, lithologic units in area L, geometric relationship of rock units in time and space, geologic map and cross section of area L, the rock succession, depositional environment, geochronology and age dating, and finally the geologic history. Chapter Three Structures, gives details on the structural data, stereographic analysis as well as the description of the structures found in area L. Chapter Four Petrography and Metamorphism, details the macroscopic and microscopic descriptions of the rocks as well as the metamorphism. Generally, the area experiences low grade metamorphism. Chapter Five Regional Synthesis relates how the geology in the area L can be compared to the geology of the entire Karagwe-Ankolean system. Chapter Six Conclusions and Recommendation. And finally, the references and Appendix. The field trip is very hands on, practical and very educative study trip and I would highly recommend for a geoscientist because skills such as map reading, identification on the base map, mapping, taking of measurements, analysis using the optical microscope are attained among others in this trip. I thereby present this report with the findings and discussions attained.