TABLE OF CONTENTS

Page [INTRODUCTION] 5 [DETERMINATIVE KEY] 6 [ROCK AND MINERAL DESCRIPTION] 10 [Limestone and Dolomite] 10 [“Cotton Rock” Limestone] 15 [Marble] 15 [Cave Onyx and Deposits] 16 [Travertine] 16 [Calcite] 16 [Dolomite] 18 [Shale] 20 [Fire Clay] 24 [Plastic Fire Clay] 26 [Flint Fire Clay] 26 [Diaspore] 27 [Burley Clay] 29 [Sandstone] 30 [Chert, Flint] 34 [Weathered Chert] 36 [“Kaoleen”] 37 [Tripoli] 37 [Agate] 37 [Jasper] 38 [Granite] 38 [Quartz] 41 [Feldspar] 43 [Mica] 44 [Porphyry, Rhyolite] 45 [Basalt] 46 [Gabbro, Diabase] 48 [Goal] 49 [Pyrite, Marcasite] 51 [Conglomerate] 54 [Gneiss] 54 [Hematite] 56 [Limonite] 57 [Paint Ore, Ochre] 58 [Iron Band Diaspore] 58 [Manganese Ore] 58 [Galena] 59 [Sphalerite] 60 [Barite] 61 [Gypsum] 63 [Meteorites] 64 [Gold] 65 [Silver] 65 [Diamonds] 65 [Uranium Minerals] 65 [MISCELLANEOUS ROCK STRUCTURES] 66 [Concretions] 66 [Geodes] 67 [Fossils] 69 [Arrow Heads, Artifacts] 71 [THE ROCKS OF MISSOURI] 71 [MINERALS OF MISSOURI] 74 [GEOLOGICAL VALUES] 74 [INDEX] 76