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Breccia pipe

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25: 17: 92:, and due to their porous nature, may be oxidized to depths far below the ground surface. Breccia pipes that have never reached the Earth's surface are referred to as "blind". 104:
solutions forced their way to the surface. However, there are some breccia pipes that are a result of limestone collapse by acidic water or other soluble rock types.
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When exposed at the surface, a breccia pipe may appear as an iron-stained knob, from several feet to several hundred feet in diameter. Breccia pipes may or may not be
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Although the origin of breccia pipes is disputed, the most commonly accepted theory is that they formed at intersections of fractures. In these areas,
271: 170: 302: 307: 198: 72:. They usually consist of fragments of the host rock (the rock layer they are contained in) cemented together by 76:. They can also be cemented by finely ground host rock called rock flour. These formations are often hosts for 121: 272:"Geology And Geochemistry of the Mammoth Breccia Pipe, Copper Creek Mining District, Southeastern Arizona" 113: 53: 245: 275: 253: 57: 174: 249: 24: 149: 69: 20:
Breccia is typically silicified and consists of many smaller irregular rock fragments.
296: 140: 101: 257: 216: 29: 89: 128: 125: 49: 85: 45: 16: 116:, which contains approximately 500 mineralized breccia pipes, and the 199:
Descriptive Model of Solution Collapse- Breccia Pipe Uranium Deposits
81: 73: 23: 15: 117: 77: 152: – Sheetlike body of crystallized minerals within a rock 124:
which contains breccia pipe ore deposits associated with a
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Areas that contains many examples of breccia pipes include
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Pages displaying short descriptions of redirect targets
143: – Circulation of water driven by heat exchange 173:. New England Meteoritical Services. Archived from 236:Mitcham, T. W. (1974). "Origin of breccia pipes". 60:), often in an irregular and cylindrical shape. 8: 88:mining districts. They are sensitive to 162: 194: 192: 48:(rock composed of broken fragments of 7: 210: 208: 206: 14: 171:"Glossary of Meteoritical Terms" 1: 238:American Journal of Science 56:together by a fine-grained 324: 258:10.2113/gsecongeo.69.3.412 80:deposition especially in 141:Hydrothermal circulation 40:, also referred to as a 122:Cripple Creek, Colorado 33: 21: 114:Copper Creek, Arizona 28:Breccia pipe cutting 27: 19: 177:on December 25, 2001 250:1974EcGeo..69..412M 32:, Ophir Bay, Orkney 215:Heylmun, Edgar B. 34: 22: 303:Igneous petrology 315: 308:Economic geology 287: 286: 284: 283: 274:. Archived from 268: 262: 261: 233: 227: 226: 224: 223: 212: 201: 196: 187: 186: 184: 182: 167: 146: 323: 322: 318: 317: 316: 314: 313: 312: 293: 292: 291: 290: 281: 279: 270: 269: 265: 235: 234: 230: 221: 219: 217:"Breccia Pipes" 214: 213: 204: 197: 190: 180: 178: 169: 168: 164: 159: 144: 137: 120:mining area of 110: 98: 66: 64:Characteristics 44:, is a mass of 12: 11: 5: 321: 319: 311: 310: 305: 295: 294: 289: 288: 263: 244:(3): 412–413. 228: 202: 188: 161: 160: 158: 155: 154: 153: 150:Vein (geology) 147: 136: 133: 109: 106: 97: 94: 65: 62: 30:Eday Sandstone 13: 10: 9: 6: 4: 3: 2: 320: 309: 306: 304: 301: 300: 298: 278:on 2007-06-29 277: 273: 267: 264: 259: 255: 251: 247: 243: 239: 232: 229: 218: 211: 209: 207: 203: 200: 195: 193: 189: 176: 172: 166: 163: 156: 151: 148: 142: 139: 138: 134: 132: 130: 127: 123: 119: 115: 107: 105: 103: 95: 93: 91: 87: 83: 79: 75: 71: 63: 61: 59: 55: 51: 47: 43: 39: 31: 26: 18: 280:. Retrieved 276:the original 266: 241: 237: 231: 220:. Retrieved 179:. Retrieved 175:the original 165: 111: 102:hydrothermal 99: 67: 41: 38:breccia pipe 37: 35: 297:Categories 282:2009-03-07 222:2009-03-07 181:August 10, 157:References 108:Occurrence 70:silicified 90:oxidation 135:See also 129:diatreme 126:volcanic 54:cemented 52:or rock 50:minerals 246:Bibcode 86:uranium 46:breccia 42:chimney 96:Origin 82:copper 74:silica 58:matrix 183:2019 118:gold 84:and 254:doi 78:ore 299:: 252:. 242:69 240:. 205:^ 191:^ 131:. 36:A 285:. 260:. 256:: 248:: 225:. 185:.

Index



Eday Sandstone
breccia
minerals
cemented
matrix
silicified
silica
ore
copper
uranium
oxidation
hydrothermal
Copper Creek, Arizona
gold
Cripple Creek, Colorado
volcanic
diatreme
Hydrothermal circulation
Vein (geology)
"Glossary of Meteoritical Terms"
the original


Descriptive Model of Solution Collapse- Breccia Pipe Uranium Deposits



"Breccia Pipes"

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