Knowledge (XXG)

New Mexico aulacogen

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392: 359:
Amato, J. M.; Mack, G. H. (1 November 2012). "Detrital zircon geochronology from the Cambrian-Ordovician Bliss Sandstone, New Mexico: Evidence for contrasting Grenville-age and Cambrian sources on opposite sides of the Transcontinental Arch".
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dikes in southern New Mexico believed to have formed from circulation of alkali-rich fluids through the host rock. Clasts of episyenite are found in the
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McMillan, Nancy J.; McLemore, Virginia T. (2004). "Cambrian-Ordovician magmatism and extension in New Mexico and Colorado".
448: 47: 225:"Cambrian alkaline rocks at Lobo Hill, Torrance County, New Mexico: More evidence for a Cambrian-Ordovician aulacogen" 144: 54: 174:
and the alkaline-carbonatite complex at Lobo Hill both lack the valuable concentrations of rare-earth elements.
292: 258: 224: 148: 259:"Episyenites in the Sevilleta National Wildlife Refuge, Socorro County, New Mexico: preliminary results" 453: 293:"Characterization and origin of episyenites in the southern Caballo Mountains, Sierra County, NM" 202: 167: 326: 152: 35: 399: 369: 291:
McLemore, V.T.; Smith, A.; Riggins, A.M.; Dunbar, N.; Frempong, K.B.; Heizler, M.T. (2018).
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The New Mexico aulacogen may be associated with a rift extending from Oklahoma to Colorado.
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in sufficient concentrations to be potentially exploitable. Episyenites found in the
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uplift took place at about this same time and may be associated with this aulacogen.
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Among the dikes associated with the postulated aulacogen are
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of central Colorado. A smaller alkali-carbonatite complex at
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New Mexico Bureau of Geology and Mineral Resources Bulletin
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New Mexico Geological Society Field Conference Guidebook
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intrusions of this age in this area. These include the
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This article about a regional geological feature is a
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New Mexico Geological Society Field Conference Series
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New Mexico Geological Society Field Conference Series
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returns an Ar-Ar age of 518 ± 5.7 million years. The
86: 46: 41: 21: 334:New Mexico Geoloical Society Special Publication 16:Failed rift in New Mexico and southern Colorado 423: 8: 430: 416: 135:. Its presence is inferred from pervasive 18: 185: 362:Geological Society of America Bulletin 218: 216: 7: 388: 386: 119:), that may have formed during the 402:. You can help Knowledge (XXG) by 14: 127:Periods in the area from central 390: 325:McLemore, Virginia T. (2020). 257:McLemore, Virginia T. (2016). 223:McLemore, Virginia T. (1999). 1: 145:Iron Hill carbonatite complex 480: 385: 26: 459:Paleozoic United States 464:Regional geology stubs 115:, or failed rift arm ( 449:Paleozoic New Mexico 368:(11–12): 1826–1840. 98:New Mexico Aulacogen 22:New Mexico Aulacogen 168:rare-earth elements 66: /  28:Stratigraphic range 411: 410: 153:Florida Mountains 131:through southern 94: 93: 471: 432: 425: 418: 394: 387: 378: 377: 374:10.1130/B30657.1 356: 350: 349: 347: 345: 331: 322: 316: 315: 313: 311: 297: 288: 282: 281: 279: 277: 263: 254: 248: 247: 245: 243: 229: 220: 211: 210: 190: 110: 109: 108: 106: 105:(ah-lah-coh-jin) 81: 80: 78: 77: 76: 71: 67: 64: 63: 62: 59: 19: 479: 478: 474: 473: 472: 470: 469: 468: 439: 438: 437: 436: 383: 381: 358: 357: 353: 343: 341: 329: 324: 323: 319: 309: 307: 295: 290: 289: 285: 275: 273: 261: 256: 255: 251: 241: 239: 227: 222: 221: 214: 192: 191: 187: 183: 164:Bliss Formation 104: 102: 101: 100: 74: 72: 68: 65: 60: 57: 55: 53: 52: 17: 12: 11: 5: 477: 475: 467: 466: 461: 456: 451: 441: 440: 435: 434: 427: 420: 412: 409: 408: 395: 380: 379: 351: 317: 283: 249: 212: 184: 182: 179: 172:Zuni Mountains 92: 91: 88: 84: 83: 50: 44: 43: 39: 38: 24: 23: 15: 13: 10: 9: 6: 4: 3: 2: 476: 465: 462: 460: 457: 455: 452: 450: 447: 446: 444: 433: 428: 426: 421: 419: 414: 413: 407: 405: 401: 396: 393: 389: 384: 375: 371: 367: 363: 355: 352: 339: 335: 328: 321: 318: 305: 301: 294: 287: 284: 271: 267: 260: 253: 250: 237: 233: 226: 219: 217: 213: 208: 204: 200: 196: 189: 186: 180: 178: 175: 173: 169: 165: 161: 156: 154: 150: 146: 142: 138: 134: 130: 126: 122: 118: 114: 107: 99: 90:United States 89: 85: 79: 51: 49: 45: 40: 37: 33: 29: 25: 20: 404:expanding it 397: 382: 365: 361: 354: 342:. Retrieved 337: 333: 320: 308:. Retrieved 303: 299: 286: 274:. Retrieved 269: 265: 252: 240:. Retrieved 235: 231: 198: 194: 188: 176: 157: 111:is a failed 97: 95: 141:carbonatite 73: / 48:Coordinates 454:Aulacogens 443:Categories 344:24 October 242:25 January 181:References 160:episyenite 133:New Mexico 125:Ordovician 70:35°N 106°W 36:Ordovician 306:: 207–216 272:: 255–262 238:: 247–253 207:130142252 149:Lobo Hill 117:aulacogen 137:alkaline 129:Colorado 121:Cambrian 75:35; -106 42:Location 32:Cambrian 340:: 29–35 276:11 June 87:Country 310:21 May 205:  330:(PDF) 296:(PDF) 262:(PDF) 228:(PDF) 203:S2CID 61:106°W 400:stub 346:2020 312:2020 278:2020 244:2021 139:and 123:and 113:rift 96:The 58:35°N 370:doi 366:124 199:160 445:: 364:. 338:14 336:. 332:. 304:69 302:. 298:. 270:67 268:. 264:. 236:50 234:. 230:. 215:^ 201:. 197:. 30:: 431:e 424:t 417:v 406:. 376:. 372:: 348:. 314:. 280:. 246:. 209:. 82:. 34:-

Index

Stratigraphic range
Cambrian
Ordovician
Coordinates
35°N 106°W / 35°N 106°W / 35; -106
(ah-lah-coh-jin)
rift
aulacogen
Cambrian
Ordovician
Colorado
New Mexico
alkaline
carbonatite
Iron Hill carbonatite complex
Lobo Hill
Florida Mountains
episyenite
Bliss Formation
rare-earth elements
Zuni Mountains
S2CID
130142252


"Cambrian alkaline rocks at Lobo Hill, Torrance County, New Mexico: More evidence for a Cambrian-Ordovician aulacogen"
"Episyenites in the Sevilleta National Wildlife Refuge, Socorro County, New Mexico: preliminary results"
"Characterization and origin of episyenites in the southern Caballo Mountains, Sierra County, NM"
"Episyenites in the Zuni Mountains, Cibola County, New Mexico -- New interpretations"
doi

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