The Geology and Petrography of Crater Lake National Park, 1902

The Geology and Petrography of Crater Lake National Park, 1902

by Joseph Silas Diller and Horace Bushnell Patton –  The earliest complete study of Crater Lake’s geology.

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 Table of Contents.

Complete Report (PDF) geology-petrography-crater-lake

 

  1. 01 Cover
  2. 02 Introduction
  3. 03 Routes to Crater Lake
  4. 04 Excursions About Crater Lake
  5. 05 Part I Limits of the Cascade Range
  6. 06 Foundation of the Cascade Range
  7. 07 Eocene History of the Cascade Range
  8. 08 Miocene History of Cascade Range
  9. 09 Union Peak
  10. 10 Mount Thielson
  11. 11 Mount Mazama
  12. 12 General Features
  13. 13 Lavas of Mount Mazama
  14. 14 Andesites
  15. 15 Andesites
  16. 16 Castle Creek Andesite Area
  17. 17 Munson Point Andesite Area
  18. 18 Union Peak Andesite Area
  19. 19 Eagle Crags Andesite Area
  20. 20 Dutton Cliff Andesite Area
  21. 21 Sentinel Rock Andesite Area
  22. 22 Round Top Andesite Area
  23. 23 Steel Bay Andesite Area
  24. 24 Andesite of Wizard Island
  25. 25 Andesitic Dikes
  26. 26 Lavas of Mount Mazama – Basalts
  27. 27 Timber Crater Basalt Flow
  28. 28 Desert Cone and Red Cone Basalt Flows
  29. 29 Bald Crater Basalt Flow
  30. 30 Crater Peak Basalt Flow
  31. 31 Other Flows
  32. 32 Lavas of Mount Mazama – Dacites
  33. 33 Sun Creek Dacite Flow
  34. 34 Cloud Cap Dacite Flow
  35. 35 Grouse Hill Dacite Flow
  36. 36 Llao Rock Dacite Flow
  37. 37 Wineglass Dacite Flow
  38. 38 Cleetwood Cove Dacite Flow
  39. 39 Dacite Dikes
  40. 40 Dacite Pumice
  41. 41 Glaciation of Mount Mazama
  42. 42 Original Condition of Mount Mazama
  43. 43 Development of Mount Mazama
  44. 44 Destruction of Mount Mazama and Formation of the Caldera
  45. 45 Temperature of Crater Lake
  46. 46 Changes of Water Level in Crater Lake
  47. 47 Evaporation From Crater Lake
  48. 48 Inflow of Crater Lake
  49. 49 Outlet of Crater Lake
  50. 50 Hypersthene – Andesites
  51. 51 Mineral Components
  52. 52 Plagioclase
  53. 53 Pyroxene
  54. 54 Hypersthene
  55. 55 Augite
  56. 56 Accessory Minerals
  57. 57 Classification of Andesites
  58. 58 Hyalopilitic Types of Andesites
  59. 59 Hypocrystaliline Type of Andesite
  60. 60 Hypocrystalline Andesite Subtype A
  61. 61 Hypocrystalline Andesite Subtype B
  62. 62 Holocrystalline Type of Andesite
  63. 63 Dacitic Type of Andesite
  64. 64 Uncertain Types
  65. 65 Andesite Dikes
  66. 66 Chemical Analyses of Andesites
  67. 67 Secretions in Andesites
  68. 68 Hypersthene – Dacites
  69. 69 Feldspar
  70. 70 Hornblende
  71. 71 Hypersthene
  72. 72 Augite
  73. 73 Other Minerals
  74. 74 Llao Rock Flow
  75. 75 Vitrophyric Dacite
  76. 76 Lithoidal Dacite
  77. 77 Spherulitic Dacite
  78. 78 Nodular Secretions
  79. 79 Grouse Hill Flow
  80. 80 Cleatwood Cove Flow
  81. 81 Wineglass Flow
  82. 82 Cloud Cap Flow
  83. 83 Sun Creek Flow
  84. 84 Dacite Tuff
  85. 85 Dacite Dikes
  86. 86 Dacitic Ejectamenta
  87. 87 Pumice
  88. 88 Dark-colored Secretions
  89. 89 Light-colored Granophyric Secretions
  90. 90 Secretions with Basalt-like Structure
  91. 91 Chemical Analyses of Dacites
  92. 92 Basalts
  93. 93 Interstitial Basalts
  94. 94 Feldspar
  95. 95 Augite
  96. 96 Hyersthene
  97. 97 Olivine
  98. 98 Magnetite
  99. 99 Hypersthene, Apatite and Pseudobrookite Crystals in Basalt
  100. 100 Apatite Crystals
  101. 101 Hypersthene Crystals
  102. 102 Pseudobrookite Crystals
  103. 103 Fluidal-Interstitial Basalts
  104. 104 Porphyritic-Interstitial Basalts
  105. 105 Andesitic Basalts
  106. 106 Andesitic Basalts Type A
  107. 107 Andesitic Basalts Type B
  108. 108 Andesitic Basalts Type C
  109. 109 Andesitic Basalts Type D
  110. 110 Chemical Analyses of Basalts
  111. 111 Concluding Remarks on Basalts
  112. 112 List of Crater Lake rocks

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