Snake River Plain-Yellowstone Volcanic Province: Jackson, Wyoming to Boise, Idaho July 21-29, 1989

Title Page......Page 1
Copyright......Page 2
Acknowledgements......Page 5
Contents......Page 6
INTRODUCTION......Page 7
INTRODUCTION......Page 10
GEOLOGIC AND GEOPHYSICAL CHARACTERISTICS OF THE SRP......Page 11
PETROLOGIC MODEL FOR SRP-YP MAGMATISM......Page 16
CHAPTER TWO THE YELLOWSTONE PLATEAU - ISLAND PARK REGION......Page 19
BRIEF INTRODUCTION TO REGIONAL GEOLOGY......Page 20
THE YELLOWSTONE PLATEAU VOLCANIC FIELD......Page 21
CHAPTER THREE THE SNAKE RIVER PLAIN, IDAHO......Page 44
NEOGENE RHYOLITIC VOLCANISM OF THE EASTERN SNAKE RIVER PLAIN......Page 45
MENAN VOLCANIC COMPLEX AND NORTHERN MARGIN OF THE SNAKE RIVER PLAIN......Page 48
GEOLOGY OF THE SNAKE RIVER PLAIN FROM IDAHO FALLS TO ARCO, IDAHO......Page 54
HOWE POINT*......Page 56
CRATERS OF THE MOON LAVA FIELD......Page 57
MAGIC RESERVOIR ERUPTIVE CENTER*......Page 68
INTRODUCTION......Page 75
STOP AT MILEPOST 107.5, EVIDENCE FORASH-FLOW ORIGIN OF THE RHYOLITE AT TOLLGATE......Page 76
STOP AT MICROWAVE-RELAY HILL: MILEPOST 103.8,VIEWPOINT OF JUNCTURE OF EASTERN AND WESTERN SNAKE RIVER PLAIN......Page 78
THE PLAIN TO THE SOUTH......Page 80
STOP AT MILEPOST 103.3: TURNOFF TO SEE CONTACT BETWEEN RHYOLITE OF RATTLESNAKE SPRINGS WITH RHYOLITE OF DIVE CREEK......Page 81
INTRODUCTION......Page 84
GEOLOGICAL SETTING......Page 92
DESCRIPTION OF THE ROUTE......Page 94
REFERENCES......Page 103