TABLE OF CONTENTS

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W. D. Keller
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
                                                                                                                                                                                                                                                                                                           

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