LISTING OF FIGURES

1. Tree diagram showing relationship of broad lithologic-tectonic environments to deposit models
   
   
2. Flow sheet showing the ~ evolution of model types
   
   
3. Schematic growth patterns for the understanding of some typical genetic model
   
   
4. Comparison of the relative levels of understanding of some important model types
   
   
5. Diagram of a typical mafic-ultramafic stratiform complex
   
   
6. Cartoon cross-section of a typical komatiitic volcanic sedimentary sequence
   
   
7. Tonnages of komatiitic Ni-Cu deposits
   
   
8. Nickel and gold grades of komattitic Ni-Cu deposits
   
   
9. PGE grades of komatiitic Ni-Cu deposits

10. Base metal grades among komatiitic Ni-Cu deposits 23 11. Tonnages of dunitic Ni-Cu deposits

12. Nickel grades of dunitic Ni-Cu deposits 26 13. PGE grades of dunitic Ni-Cu deposits

14. By-product grades of dunitic Ni-Cu deposits

1. Tonnages of synorogenic-synvolcanic Ni-Cu deposits
   
   
2. Nickel grades of synorogenic-synvolcanic Ni-Cu deposits
   
   
3. Copper grades of synorogenic-synvolcanic Ni-Cu deposits
   
   
4. By-product grades of synorogenic-synvolcanic Ni-Cu deposits
   
   
5. Cartoon cross-section of anorthosite ferrodiorite intrusions
   
   
6. Cartoon cross-section of podiform chromite deposits
   
   
7. Tonnages of podiform chromite deposit a typical mafic-ultramafic stratiform complex
   
   
8. Chromite grades of podiform chromite deposits from California and Oregon, USA
   
   
9. PGE grades of podiform chromite deposits from California and Oregon, USA
   
   
10. Tonnages of major podiform chromite deposits
    
    
11. Chromite grades of major podiform chromite deposits
    
    
12. PGE grades of major podiform chromite deposits; A, rhodium; B, iridium; C, ruthenium; D, palladium; E, platinum
    
    
13. Tonnage of serpentine-hosted asbestos deposits
    
    
14. Asbestos grade of serpentine-hosted asbestos deposits
    
    
15. Generalized geologic map of a zoned ultramafic complex
    
    
16. Tonnages of carbonatite deposits
    
    
17. Grades of carbonatite deposits
    
    
18. Tonnages of W skarn deposits
    
    
19. Tungsten grades of W skarn deposits
    
    
20. Cartoon cross section showing relationship between Sn skarn, replacement Sn and Sn vein deposits to granite intrusions
    
    
21. Tonnages of Sn skarn deposits
    
    
22. Tin grades of Sn skarn deposits
    
    
23. Tonnages of replacement Sn deposits
    
    
24. Tin grades of replacement Sn deposits 63
    
    
25. Maps and sections of W-vein deposits illustrating mineral and alteration zoning
    
    
26. Tonnages of W vein deposits
    
    
27. Tungsten grades of W vein deposits
    
    
28. Tonnages of Sn vein deposits
    
    
29. Tin grades of Sn vein deposits
    
    
30. Cartoon cross section of a Sn greisen
    
    
31. Tonnages of Sn greisen deposits
    
    
32. Tin grades of Sn greisen deposits
    
    
33. Cartoon cross section of a Climax Mo deposit
    
    
34. Tonnages of Climax Mo deposits
    
    
35. Molybdenum grades of Climax Mo deposits
    
    
36. Cartoon cross section of illustrating a generalized model for porphyry Cu deposits
    
    
37. Tonnages of porphyry Cu deposits
    
    
38. Copper grades of porphyry Cu deposits
    
    
39. By-product grades of porphyry Cu deposits
    
    
40. Tonnages of porphyry Cu-skarn-related deposits
    
    
41. Copper grades of porphyry Cu-skarn-related deposits
    
    
42. By-product grades of porphyry Cu-skarn-related deposits
    
    
43. Cartoon cross section of a Cu skarn deposit
    
    
44. Tonnages of Cu skarn deposits
    
    
45. Copper grades of Cu skarn deposits
    
    
46. Precious metal grades of Cu skarn deposits
    
    
47. Tonnages of Zn-Pb skarn deposits
    
    
48. Zinc grades of Zn-Pb skarn deposits
    
    
49. Lead grades of Zn-Pb skarn deposits
    
    
50. Silver grades of Zn-Pb skarn deposits
    
    
51. Metal grades of Zn-Pb skarn deposits
    
    
52. Tonnages of Fe skarn deposits
    
    
53. Iron grades of Fe skarn deposits
    
    
54. Generalized map showing metal- and mineral-zoning in a polymetallic replacement deposits
    
    
55. Tonnages of polymetallic replacement deposits
    
    
56. Lead grades of polymetallic replacement deposits
    
    
57. Zinc grades of polymetallic replacement deposits
    
    
58. Copper grades of polymetallic replacement deposits
    
    
59. Silver grades of polymetallic replacement deposits
    
    
60. Gold grades of polymetallic replacement deposits
    
    
61. Tonnages of replacement Mn deposits
    
    
62. Manganese and copper grades of replacement Mn deposits
    
    
63. Cartoon cross section of a porphyry Cu-Au deposit
    
    
64. Tonnages of porphyry Cu-Au deposits
    
    
65. Copper grades of porphyry Cu-Au deposits
    
    
66. Gold grades of porphyry Cu-Au deposits
    
    
67. By-product grades of porphyry Cu-Au deposits
    
    
68. Cartoon cross section of a porphyry Cu-Mo deposit
    
    
69. Tonnages of porphyry Cu-Mo deposits
    
    
70. Copper grades of porphyry Cu-Mo deposits
    
    
71. Molybdenum grades of porphyry Cu-Mo deposits
    
    
72. Gold grades of porphyry Cu-Mo deposits
    
    
73. Silver grades of porphyry Cu-Mo deposits
    
    
74. Tonnages of porphyry Mo-low F deposits
    
    
75. Molybdenum grades of porphyry Mo-low F deposits
    
    
76. Tonnages of polymetallic vein deposits
    
    
77. Silver grades of polymetallic vein deposits
    
    
78. Gold grades of polymetallic vein deposits
    
    
79. Lead grades of polymetallic vein deposits
    
    
80. Zinc and copper grades of polymetallic vein deposits
    
    
81. Generalized stratigraphic column through the Troodos ophiolite showing Cyprus massive sulfides and other deposit types and their associated rock types
    
    
82. Cross section through the Kalavos district Cyprus showing relationship of massive sulfide deposits to faults and spreading axis
    
    
83. Tonnages of Cyprus massive sulfide deposits
    
    
84. copper grades of Cyprus massive sulfide deposits
    
    
85. By-product grades of Cyprus massive sulfide deposits
    
    
86. Tonnages of Besshi massive sulfide deposits
    
    
87. Copper grades of Besshi massive sulfide deposits
    
    
88. By-product grades of Besshi massive sulfide deposits
    
    
89. Tonnages of volcanogenic Mn deposits
    
    
90. Metal grades of volcanogenic Mn deposits
    
    
91. Cartoon cross-section of a hot-spring Au-Ag deposit
    
    
92. Cartoon cross section of a typical Creede type epithermal vein deposit
    
    
93. Tonnages of Creede epithermal vein deposits
    
    
94. Copper grades of Creede epithermal vein deposits
    
    
95. Lead grades of Creede epithermal vein deposits
    
    
96. Zinc grades of Creede epithermal vein deposits
    
    
97. Silver grades of Creede epithermal vein deposits
    
    
98. Gold grades of Creede epithermal vein deposits
    
    
99. Tonnages of Comstock epithermal vein deposits
    
    
100. Gold grades of Comstock epithermal vein deposits
     
     
101. Silver grades of Comstock epithermal vein deposits
     
     
102. By-product grades of Comstock epithermal vein deposits
     
     
103. Tonnages of Sado epithermal vein deposits
     
     
104. Gold grades of Sado epithermal vein deposits
     
     
105. By-product of Sado epithermal vein deposits
     
     
106. Tonnages of epithermal quartz-alunite vein deposits
     
     
107. Gold grades of epithermal quartz-alunite vein deposits
     
     
108. Silver grades of epithermal quartz-alunite vein deposits
     
     
109. Copper grades of epithermal quartz-alunite vein deposits
     
     
110. Tonnages of volcanogenic U deposits
     
     
111. Uranium grade of volcanogenic U deposits
     
     
112. Tonnages of epithermal Mn deposits
     
     
113. Manganese grade of epithermal Mn deposits
     
     
114. Cartoon cross section of a rhyolite-hosted Sn deposit
     
     
115. Tonnages of rhyolite-hosted Sn deposits
     
     
116. Tin grades of rhyolite-hosted Sn deposits
     
     
117. Tonnages of volcanic-hosted magnetite deposits
     
     
118. Iron grades of volcanic-hosted magnetite deposits
     
     
119. Phosphorus grades of volcanic-hosted magnetite deposits
     
     
120. Tonnages of carbonate-hosted Au-Ag deposits
     
     
121. Precious metal grades of carbonate-hosted Au-Ag deposits
     
     
122. Tonnages of hot-spring Hg deposits
     
     
123. Mercury grades of hot-spring Hg deposits
     
     
124. Tonnages of silica-carbonate Hg deposits
     
     
125. Mercury grades of silica-carbonate Hg deposits
     
     
126. Tonnages of simple Sb deposits
     
     
127. Antimony grades of simple Sb deposits
     
     
128. Precious metal grades of simple Sb deposits
     
     
129. Tonnages of disseminated simple Sb deposits
     
     
130. Antimony grades of disseminated simple Sb deposits
     
     
131. Cartoon cross section of a kuroko massive sulfide deposit
     
     
132. Tonnages of kuroko massive sulfide deposits
     
     
133. Copper grades of kuroko massive sulfide deposits
     
     
134. Lead-zinc grades of kuroko massive sulfide deposits
     
     
135. Precious metal grades of kuroko massive sulfide deposits
     
     
136. Tonnages of sandstone-hosted Pb-Zn deposits
     
     
137. Lead grades of sandstone-hosted Pb-Zn deposits
     
     
138. Zinc grades sandstone-hosted Pb-Zn deposits
     
     
139. Silver grades sandstone-hosted Pb-Zn deposits
     
     
140. Tonnages of sediment-hosted Cu deposits
     
     
141. Copper grades of sediment-hosted Cu deposits
     
     
142. By-product grades of sediment-hosted Cu deposits
     
     
143. Cartoon sections showing diagenetic and roll-front mineralization in sandstone U deposits
     
     
144. Cartoon cross section showing mineral zoning in sedimentary exhalative Zn-Pb deposits
     
     
145. Tonnages of sedimentary exhalative Zn-Pb deposits
     
     
146. Zinc grades of sedimentary exhalative Zn-Pb deposits
     
     
147. Lead grades of sedimentary exhalative Zn-Pb deposits
     
     
148. Silver grades of sedimentary exhalative Zn-Pb deposits
     
     
149. Copper grades of sedimentary exhalative Zn-Pb deposits
     
     
150. Tonnages of bedded barite deposits
     
     
151. Barite grades of bedded barite deposits
     
     
152. Cartoon cross section of a southeast Missouri Pb-Zn deposit
     
     
153. Cartoon cross section illustrating a typical Appalachian Zn deposit
     
     
154. Tonnages of southeast Missouri Pb-Zn and Appalachian Zn deposits
     
     
155. Zinc grades of southeast Missouri Pb-Zn and Appalachian Zn deposits
     
     
156. Lead grades of southeast Missouri Pb-Zn and Appalachian Zn deposits
     
     
157. Silver grades of southeast Missouri Pb-Zn and Appalachian Zn deposits
     
     
158. Tonnages of Algoma Fe and Superior Fe deposits
     
     
159. Iron grades of Algoma Fe and Superior Fe deposits
     
     
160. Phosphorus grades of Algoma Fe and Superior Fe deposits
     
     
161. Cartoon cross section showing relation of sedimentary facies to sedimentary Mn deposits
     
     
162. Tonnages of sedimentary Mn deposits
     
     
163. Metal grades of sedimentary Mn deposits
     
     
164. Tonnages of upwelling type phosphate deposits
     
     
165. P2O5 grades of upwelling type phosphate deposits
     
     
166. Tonnages of warm-current type phosphate deposits
     
     
167. P2O5 grades of warm-current type phosphate deposits
     
     
168. Tonnages of low-sulfide Au-quartz vein deposits
     
     
169. Precious metal grades of low-sulfide Au quartz vein deposits
     
     
170. Tonnages of Homestake Au deposits
     
     
171. Gold grades of Homestake Au deposits
     
     
172. Silver grades of Homestake Au deposits
     
     
173. Tonnages of unconformity U-Au deposits
     
     
174. Uranium grades of unconformity U-Au deposits
     
     
175. Tonnages of lateritic Ni deposits
     
     
176. Metal grades of lateritic Ni deposits
     
     
177. Tonnages of laterite type bauxite deposits
     
     
178. Alumina grades of laterite type bauxite deposits
     
     
179. Tonnages of karat type bauxite deposits 260
     
     
180. Alumina grades of karat type bauxite deposits 260
     
     
181. Cartoon cross section showing three stages of heavy mineral concentrations typical of placer Au-PGE deposits
     
     
182. Tonnages of placer Au-PGE deposit
     
     
183. Precious metal grades of placer Au-PGE deposits
     
     
184. Tonnages of placer PGE-Au deposits
     
     
185. Precious metal grades of placer PGE-Au deposits
     
     
186. Other PGE grades of placer PGE-Au deposits
     
     
187. Tonnages of shoreline placer Ti deposits
     
     
188. ZrO2 grades from zircon in shoreline placer Ti deposits
     
     
189. TiO2 grades from ilmenite in shoreline placer Ti deposits
     
     
190. TiO2 grades from Futile in shoreline placer Ti deposits
     
     
191. Other metal grades of shoreline placer Ti deposits
     
     
192. Matrix diagram showing deposit models and their geochemical signature

TABLES

1. Classification of deposit models by lithologic-tectonic environment

2. Comparison of application of the five model subtypes by various users

3. Types of hydrothermal alteration characteristic of porphyry copper and other deposit models