Geochemistry, mineralogy and petrology of the Eocene potassic magmatism from the Milk River area, southern Alberta, and Sweet Grass Hills, northern Montana

Chemical Geology

Volumn 353, Issue , 2013, Pages 280-302

  Rukhlov, Alexei S ^a   Blinova, Alexandra I ^b   Pawlowicz, John G ^a  

^a ALBERTA GEOLOGICAL SURVEY   (Canada)

^b UNIVERSITY OF ALBERTA   (Canada)

Author keywords

Fractional crystallization; Lamproite; Mesoproterozoic mantle upwelling; Metasomatized lithospheric mantle; Olivine minette; Wyoming craton

Indexed keywords

FRACTIONAL CRYSTALLIZATION; LAMPROITE; LITHOSPHERIC MANTLE; MANTLE UPWELLINGS; WYOMING;

ALUMINUM; GEOCHEMISTRY; GRANITE; IRON OXIDES; LEAD; MICA; OLIVINE; PETROGRAPHY; PETROLOGY; PHOSPHATE MINERALS; ROCKS; SILICATES; SODIUM; TECTONICS; TITANIUM DIOXIDE; TRACE ELEMENTS; ZIRCONIUM; ZONING;

RIVERS;

CENOZOIC; CRATON; EOCENE; FRACTIONAL CRYSTALLIZATION; HORNBLENDE; IGNEOUS GEOCHEMISTRY; ISOTOPIC COMPOSITION; LAMPROITE; LITHOSPHERIC STRUCTURE; MAGMATISM; MANTLE STRUCTURE; METASOMATISM; MINERALOGY; MINETTE; OLIVINE; PARTIAL MELTING; PETROLOGY; PLUTON; PROTEROZOIC; RIFTING; SUPERCONTINENT; SYENITE; UPWELLING;

ALBERTA; CANADA; MILK RIVER; MONTANA; SWEET GRASS COUNTY; UNITED STATES;

TRACHYTES;

EID: 84883656086     PISSN: 00092541     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.chemgeo.2012.10.024     Document Type: Article

References (159)

1. Adam J., Green T. Trace element partitioning between mica- and amphibole-bearing garnet lherzolite and hydrous basanitic melt: 1. Experimental results and the investigation of controls on partitioning behaviour. Contributions to Mineralogy and Petrology 2006, 152:1-17.
2. Alibert C., Michard A., Albarède F. Isotope and trace element geochemistry of Colorado Plateau volcanics. Geochimica et Cosmochimica Acta 1986, 50:2735-2750.
3. Allegre C.J., Treuil M., Minster J.-F., Minster B., Albarède F. Systematic use of trace elements in igneous processes. Part I: fractional crystallization processes in volcanic suites. Contributions to Mineralogy and Petrology 1977, 60:57-75.
4. Anderson J.L., Bender E.E. Nature and origin of Proterozoic A-type granitic magmatism in the southwestern United States of America. Lithos 1989, 23:19-52.
5. Anderson H.E., Goodfellow W.D. Geochemistry and isotope chemistry of the Moyie sills: implications for the early tectonic setting of the Mesoproterozoic Purcell Basin, Chapter 17. The Geological Environment of the Sullivan Pb-Zn-Ag Deposit, British Columbia, Geological Association of Canada, Mineral Deposits Division, Special Publication 2000, 1:302-321. J.W. Lydon, T. Höy, J.F. Slack, M. Knapp (Eds.).
6. Ayuso R.A., de Vivo B., Rolandi G., Seal R.R., Paone A. Geochemical and isotopic (Nd-Pb-Sr-O) variations bearing on the genesis of volcanic rocks from Vesuvius, Italy. Journal of Volcanology and Geothermal Research 1998, 82(1-4):53-78.
7. Baker D.W. Central Montana alkalic province: critical review of Laramide plate tectonic models that extract alkalic magmas from abnormally thick Precambrian lithospheric mantle. Northwestern Geology 1992, 20(21):71-95.
8. Bell K. Igneous rocks; carbonatites. Encyclopedia of Geology 2005, vol. 3:217-233. Elsevier, Oxford, United Kingdom (GBR). R.C. Selley, L.R.M. Cocks, I.R. Plimer (Eds.).
9. Bell K., Castorina F., Lavecchia G., Rosatelli G., Stoppa F. Is there a mantle plume below Italy?. Eos 2004, 85(50):541-547.
10. Benito R., López-Ruiz J., Cebriá J.M., Hertogen J., Doblas M., Oyarzun R., Demaiffe D. Sr and O isotope constraints on source and crustal contamination in the high-K calc-alkaline and shoshonitic Neogene volcanic rocks of SE Spain. Lithos 1999, 46(4):773-802.
11. Brandelik A. CALCMIN - an EXCELTM Visual Basic application for calculating mineral structural formulae from electron microprobe analyses. Computers and Geosciences 2009, 35:1540-1551.
12. Bryan S.E., Ernst R.E. Revised definition of Large Igneous Provinces (LIPs). Earth-Science Reviews 2008, 86:175-202.
13. Buhlmann A.L., Cavell A., Burwash R.A., Creaser R.A., Luth R.W. Minette bodies and cognate mica-clinopyroxenite xenoliths from the Milk River area, southern Alberta: records of a complex history of the northernmost part of the Archean Wyoming craton. Canadian Journal of Earth Sciences 2000, 37:1629-1650.
14. Burwash R.A., Nelson D.B. Report on exploration permit 6890010001 in the Milk River region of southern Alberta. Alberta Research Council, Alberta Geological Survey, Mineral Assessment Report 19920003 1992, (18 pp.).
15. Burwash R.A., Chacko T., Muehlenbachs K., Bouzidi Y. Oxygen isotope systematics of the Precambrian basement of Alberta: implications for Paleoproterozoic and Phanerozoic tectonics in northwestern Alberta. Canadian Journal of Earth Sciences 2000, 37(11):1611-1628.
16. Campbell I.H., O'Neill H.St.C. Evidence against a chondritic Earth. Nature 2012, 483:553-558.
17. Carlson R.W., Irving A.J. Depletion and enrichment history of subcontinental lithospheric mantle: an Os, Sr, Nd and Pb isotopic study of ultramafic xenoliths from the northwestern Wyoming Craton. Earth and Planetary Science Letters 1994, 126:457-472.
18. Carlson R.W., Irving A.J., Hearn B.C. Chemical and isotopic systematics of peridotite xenoliths from the Williams kimberlite, Montana: clues to processes of lithospheric formation, modification and destruction. Proceedings of the 7th International Kimberlite Conference, Red Roof Design, Cape Town, South Africa 1999, 90-98. J.J. Gurney, J.L. Gurney, M.D. Pascoe, S.H. Richardson (Eds.).
19. Carlson R.W., Irving A.J., Schulze D.J., Hearn B.C. Timing of Precambrian melt depletion and Phanerozoic refertilization events in the lithospheric mantle of the Wyoming Craton and adjacent Central Plains orogen. Lithos 2004, 77:453-472.
20. Castor S.B. The Mountain Pass rare-earth carbonatite and associated ultrapotassic rocks, California. The Canadian Mineralogist 2008, 46:779-806.
21. Cavell A., Burwash R.A., Nelson D.B. Enriched mantle beneath southern Alberta: isotopic evidence for a northern extension of the Wyoming block into southern Alberta. Geological Association of Canada-Mineralogical Association of Canada, Joint Annual Meeting, May 17-18, 1993, Edmonton, Alberta, Program with Abstracts 1993, 18:A17.
22. Chakhmouradian A.R., Reguir E.P., Mitchell R.H. Strontium-apatite: new occurrences, and the extent of Sr-for-Ca substitution in apatite-group minerals. The Canadian Mineralogist 2002, 40:121-136.
23. Chakrabarti R., Basu A.R., Santo A.P., Tedesco D., Vaselli O. Isotopic and geochemical evidence for a heterogeneous mantle plume origin of the Virunga volcanics, Western rift, East African Rift system. Chemical Geology 2009, 259:273-289.
24. Christiansen R.L., Foulger G.R., Evans J.R. Upper-mantle origin of the Yellowstone hotspot. Geological Society of America Bulletin 2002, 114:1245-1256.
25. Clague D.A., Frey F.A. Petrology and trace element geochemistry of the Honolulu Volcanics, Oahu. Implications for the oceanic mantle beneath Hawaii. Journal of Petrology 1982, 23:447-504.
26. Conticelli S., D'Antonio M., Pinarelli L., Civetta L. Source contamination and mantle heterogeneity in the genesis of Italian potassic and ultrapotassic volcanic rocks: Sr-Nd-Pb isotope data from Roman Province and Southern Tuscany. Mineralogy and Petrology 2002, 74:189-222.
27. Conticelli S., Guarnieri L., Farinelli A., Mattei M., Avanzinelli R., Bianchini G., Boari E., Tommasini S., Tiepolo M., Prelević D., Venturelli G. Trace elements and Sr-Nd-Pb isotopes of K-rich, shoshonitic, and calc-alkaline magmatism of the Western Mediterranean Region: Genesis of ultrapotassic to calc-alkaline magmatic associations in a post-collisional geodynamic setting. Lithos 2009, 107:68-92.
28. Currie K.L. The alkaline rocks of Canada. Geological Survey of Canada, Bulletin 1976, 239. 228 pp.
29. Currie C.A., Beaumont C. Are diamond-bearing Cretaceous kimberlites related to low-angle subduction beneath western North America?. Earth and Planetary Science Letters 2011, 303:59-70.
30. Davis L.L., Smith D., McDowell F.W., Walker N.W., Borg L.E. Eocene potassic magmatism at Two Buttes, Colorado, with implications for Cenozoic tectonics and magma generation in the western United States. Geological Society of America Bulletin 1996, 108(12):1567-1579.
31. Deer W.A., Howie R.A., Zussman J. An Introduction to the Rock-Forming Minerals 1996, Longman. second ed.
32. DePaolo D.J. Trace element and isotopic effects of combined wallrock assimilation and fractional crystallization. Earth and Planetary Science Letters 1981, 53:189-202.
33. Dostal J., Breitsprecher K., Church B.N., Thorkelson D., Hamilton T.S. Eocene melting of Precambrian lithospheric mantle: analcime-bearing volcanic rocks from the Challis-Kamloops belt of south central British Columbia. Journal of Volcanology and Geothermal Research 2003, 126:303-326.
34. Downes H., Macdonald R., Upton B.G.J., Cox K.G., Bodinier J.-L., Mason P.R.D., James D., Hill P.G., Hearn B.C. Ultramafic xenoliths from the Bearpaw Mountains, Montana, USA: evidence for multiple metasomatic events in the lithospheric mantle beneath the Wyoming Craton. Journal of Petrology 2004, 45(8):1631-1662.
35. Dudás F.Ö. Geochemistry of igneous rocks from the Crazy Mountains, Montana, and tectonic models for the Montana alkalic province. Journal of Geophysical Research 1991, 96:13261-13277.
36. Dudás F.Ö., Carlson R.W., Eggler D.H. Regional Middle Proterozoic enrichment of the subcontinental mantle source of igneous rocks from central Montana. Geology 1987, 15:22-25.
37. Duggen S., Hoernle K., van den Bogaard P., Garbe-Schönberg D. Post-collisional transition from subduction- to intraplate-type magmatism in the westernmost Mediterranean: evidence for continental-edge delamination of subcontinental lithosphere. Journal of Petrology 2005, 46(6):1155-1201.
38. 2-rich lamproite from Smokey Butte, Montana, derivation of siliceous lamproite magmas from enriched source deep in the continental mantle. Journal of Petrology 1997, 38:457-477.
39. Eggler D.H., Meen J.K., Welt F., Dudás F.Ö., Furlong K.P., McCallum M.E., Carlson R.W. Tectonomagmatism of the Wyoming Province. The Colorado School of Mines Quarterly 1988, 88:25-40. J.W. Drexler, E.E. Larson (Eds.).
40. Esperança S., Holloway J.R. On the origin of some mica-lamprophyres: experimental evidence from a mafic minette. Contributions to Mineralogy and Petrology 1987, 95:207-216.
41. Esperança S., Carlson R.W., Shirey S.B., Smith D. Dating crust-mantle separation: Re-Os isotopic study of mafic xenoliths from central Arizona. Geology 1997, 25:651-654.
42. Ewart A., Griffin W.L. Application of proton-microprobe data to trace-element partitioning in volcanic rocks. Chemical Geology 1994, 117:251-284.
43. Facer J., Downes H., Beard A. In situ serpentinization and hydrous fluid metasomatism in spinel dunite xenoliths from the Bearpaw Mountains, Montana, USA. Journal of Petrology 2009, 50:1443-1475.
44. Feeley T.C., Cosca M.A. Time vs. composition trends of magmatism at Sunlight volcano, Absaroka volcanic province, Wyoming. Geological Society of America Bulletin 2003, 115:714-728.
45. Fitton J.G., James D., Kempton P.D., Ormerod D.S., Leeman W.P. The role of lithospheric mantle in the generation of late Cenozoic basic magmas in the Western United States. Journal of Petrology, Special Lithosphere Issue 1988, 331-349.
46. Foley S. Petrological characterization of the source components of potassic magmas: geochemical and experimental constraints. Lithos 1992, 28:187-204.
47. Foley S., Jenner G. Trace element partitioning in lamproitic magmas - the Gaussberg olivine leucitite. Lithos 2004, 75:19-38.
48. Foley S.E., Venturelli G., Green D.H., Toscani L. The ultrapotassic rocks: characteristics, classificalion, and constraints for petrogenetic models. Earth-Science Reviews 1987, 24:81-134.
49. Foley S.F., Jackson S.E., Fryer B.J., Greenough J.D., Jenner G.A. Trace element partition coefficients for clinopyroxene and phlogopite in an alkaline lamprophyre from Newfoundland by LAM-ICP-MS. Geochimica et Cosmochimica Acta 1996, 60(4):629-638.
50. Fraser K.J., Hawkesworth C.J., Erlank A.J., Mitchell R.H., Scott-Smith B.H. Sr, Nd and Pb isotope and minor element geochemistry of lamproites and kimberlites. Earth and Planetary Science Letters 1985, 76:57-70.
51. Frey F.A., Green D.H., Roy S.D. Integrated models of basalt petrogenesis: a study of quartz tholeiites to olivine melilitites from southeastern Australia. Journal of Petrology 1978, 19:463-513.
52. Fudali R.F. Experimental studies bearing on the origin of pseudoleucite and associated problems of alkalic rock systems. Geological Society of America Bulletin 1963, 74:1101-1126.
53. Green D.H., Wallace M.E. Mantle metasomatism by ephemeral carbonatite melts. Nature 1988, 336:459-462.
54. Greenough J.D., Kyser T.K. Contrasting Archean and Proterozoic lithospheric mantle: isotopic evidence from the Shonkin Sag sill (Montana). Contributions to Mineralogy and Petrology 2003, 145:169-181.
55. Griffin W.L., O'Reilly S.Y., Doyle B.J., Pearson N.J., Coopersmith H., Kivi K., Malkovets V., Pokhilenko N. Lithosphere mapping beneath the North American Plate. Lithos 2004, 77:873-922.
56. 2O. Mineralogical Magazine 1965, 34:214-231.
57. Hamilton, W.N., Price, M.C., Langenberg, C.W., compilers, 1999. Geological map of Alberta. Alberta Energy and Utilities Board, EUB/AGS Map 236, scale 1:1 000 000.
58. 39Ar geochronology and paleomagnetism of Independence volcano, Absaroka Volcanic Supergroup, Beartooth Mountains, Montana. Canadian Journal of Earth Sciences 1996, 33:1648-1654.
59. Hart S.R. Heterogeneous mantle domains-signatures, genesis and mixing chronologies. Earth and Planetary Science Letters 1988, 90:273-296.
60. Hart S.R., Davis K.E. Nickel partitioning between olivine and silicate melt. Earth and Planetary Science Letters 1978, 40:203-219.
61. Hart S.R., Hauri E.H., Oschmann L.A., Whitehead J.A. Mantle plumes and entrainment: isotopic evidence. Science 1992, 256:517-520.
62. Hauri E.H., Shimizu N., Dieu J.J., Hart S.R. Evidence for hotspot-related carbonatite metasomatism in the oceanic upper mantle. Nature 1993, 365:221-227.
63. Hauri E.H., Whitehead J.A., Hart S.R. Fluid dynamic and geochemical aspects of entrainment in mantle plumes. Journal of Geophysical Research 1994, 99(B12):24275-24300.
64. 86Sr evidence from the Italian volcanics. Contributions to Mineralogy and Petrology 1979, 69:151-165.
65. 2, a new mineral species of the amphibole group from Coyote Peak, Humboldt County, California. The Canadian Mineralogist 2010, 48:301-306.
66. Hearn B.C. Alkalic ultramafic magmas in north-central Montana, USA: genetic connections of alnöite, kimberlite and carbonatite. Australian Journal of Earth Sciences, Special Publication 1989, 14 (1):109-119. J. Ross, A.L. Jaques, J. Ferguson, D.H. Green, S.Y. O'Reilly, R.V. Danchin, A.J.A. Janse (Eds.).
67. Hearn B.C., Marvin R.F., Zartman R.E., Naeser C.W. Ages of alkalic activity in north-central Montana. United States Geological Survey Professional Paper, Report P1100 1978, 59-60.
68. Hearn B.C., Upton B.C.J., MacDonald R.A. Ancient and enriched upper mantle beneath north-central Montana. Tobacco Root Geological Society, 16th Annual Field Conference, August 14-17, 1991, Great Falls, Montana, Montana Bureau of Mines and Geology, Special Publication 1991, 100:133-135. D. Baker, R.B. Berg (Eds.).
69. Hoffman P.F. Speculations on Laurentia's first gigayear. Geology 1989, 17:135-138.
70. Innocenti F., Agostinia S., Di Vincenzo G., Doglioni C., Manetti P., Savaşçin M.Y., Tonarini S. Neogene and Quaternary volcanism in Western Anatolia: magma sources and geodynamic evolution. Marine Geology 2005, 221:397-421.
71. Ionov D.A., Bodinier J.-L., Mukasa S.B., Zanetti A. Mechanisms and sources of mantle metasomatism: major and trace element compositions of peridotite xenoliths from Spitsbergen in the context of numerical modeling. Journal of Petrology 2002, 43:2219-2259.
72. Ionov D.A., Prikhodko V.S., Bodinier J.-L., Sobolev A.V., Weis D. Lithospheric mantle beneath the south-eastern Siberian craton: petrology of peridotite xenoliths in basalts from the Tokinsky Stanovik. Contributions to Mineralogy and Petrology 2005, 149:647-665.
73. Irving A.J., Hearn B.C. Alkalic rocks of Montana: kimberlites, lamproites, and related magmatic rocks. Montana Field Trip Guidebook, 8th International Kimberlite Conference, 16-21 June, 2003, Geological Survey of Canada, Ottawa 2003, (44 pp.). B.A. Kjarsgaard (Ed.).
74. Irving A.J., O'Brien H.E. Isotopic and trace element characteristics of Late Cretaceous to Oligocene mafic volcanics from west-central Montana: implications for Tertiary tectonics and magma genesis. Tobacco Root Geological Society, 16th Annual Field Conference, August 14-17, 1991, Great Falls, Montana, Montana Bureau of Mines and Geology, Special Publication 1991, 100:140-142. D. Baker, R.B. Berg (Eds.).
75. 2 at 1 kilobar water vapour pressure. Contributions to Mineralogy and Petrology 1969, 21:111-141.
76. Kjarsgaard B.A. Potassic magmatism in the Milk River area, southern Alberta: petrology and economic potential. Current Research 1994-B, Geological Survey of Canada 1994, 59-68.
77. Kjarsgaard B.A. Diamonds in Alberta: studies of potential host rocks of deep-seated origin and applications of indicator mineral exploration techniques. Geological Survey of Canada, Bulletin 1997, 500:185-207. R.W. Macqueen (Ed.).
78. Klemme S. Trace element partitioning between apatite and carbonatite melt. American Mineralogist 2003, 88:639-646.
79. Krmíček L., Cempírek J., Havlín A., Přichystal A., Houzar S., Krmíčková M., Gadas P. Mineralogy and petrogenesis of a Ba-Ti-Zr-rich peralkaline dyke from Šebkovice (Czech Republic): recognition of the most lamproitic Variscan intrusion. Lithos 2011, 121:74-86.
80. Larsen E.S. Petrographic province of central Montana. Geological Society of America Bulletin 1940, 51:887-948.
81. Larsen L.M. Distribution of REE and other trace elements between phenocrysts and peralkaline undersaturated magmas, exemplified by rocks from the Gardar igneous province, south Greenland. Lithos 1979, 12(4):303-315.
82. Igneous Rocks: a Classification and Glossary of Terms, Recommendations of the International Union of Geological Sciences Subcommission on the Systematics of Igneous Rocks 2002, Cambridge University Press, United Kingdom. second ed. R.W. Le Maitre, A. Streckeisen, B. Zanettin, M.J. Le Bas, B. Bonin, Bateman, G. Bellieni, A. Dudek, S. Efremova, J. Keller, J. Lameyre, A. Sabine, R. Schmid, H. Sorensen, A.R. Woolley (Eds.).
83. Leake B.E., Woolley A.R., Birch W.D., Burke E.A.J., Ferraris G., Grice J.D., Hawthorne F.C., Kisch H.J., Krivovichev G., Schumacher J.C., Stephenson N.C.N., Whittaker E.J.W. Nomenclature of amphiboles: additions and revisions to the International Mineralogical Association's amphibole nomenclature. The Canadian Mineralogist 2004, 41:1355-1370.
84. Leat P.T., Thompson R.N., Morrison M.A., Hendry G.L., Dickin A.P. Silicic magmas derived by fractional crystallization from Miocene minette, Elkhead Mountains, Colorado. Mineralogical Magazine 1988, 52:577-585.
85. Leat P.T., Thompson R.N., Morrison M.A., Hendry G.L., Dickin A.P. Compositionally-diverse Miocene-recent rift-related magmatism in northwest Colorado: partial melting, and mixing of mafic magmas from 3 different asthenospheric and lithospheric mantle sources. Journal of Petrology, Special Lithosphere Issue 1988, 351-377.
86. Lee C.-T.A. Trace element evidence for hydrous metasomatism at the base of the North American lithosphere and possible association with Laramide low-angle subduction. Journal of Geology 2005, 113:673-685.
87. Lemarchand F., Benoit V., Calais G. Trace element distribution coefficients in alkaline series. Geochimica et Cosmochimica Acta 1987, 51:1071-1081.
88. Liotard J.M., Dupuy C., Dostal J., Cornen G. Geochemistry of the volcanic island of Annobon, Bulk of Guinea. Chemical Geology 1982, 35:115-138.
89. Lopez D.A. Geology of the Sweet Grass Hills, north-central Montana. Montana Bureau of Mines and Geology, Memoir 1995, 68. 35 pp.
90. Lopez, D.A., 2002. Geologic map of the Sweet Grass Hills 30'×60' quadrangle north-central Montana. Montana Bureau of Mines and Geology, Open File Report MBMG 443, 17 p., Plate 1, scale 1:100 000.
91. 2O: part 1, inferred phase relations and petrographic applications. Journal of Petrology 1967, 8:372-416.
92. Macdonald R., Upton B.G.J., Collerson K.D., Hearn B.C., James D. Potassic mafic lavas of the Bearpaw Mountains, Montana: mineralogy, chemistry, and origin. Journal of Petrology 1992, 33(2):305-346.
93. Madsen J.K., Thorkelson D.J., Friedman R.M., Marshall D.D. Cenozoic to Recent plate configurations in the Pacific Basin: ridge subduction and slab window magmatism in western North America. Geosphere 2006, 2:11-34.
94. Mahood G.A., Hildreth E.W. Large partition coefficients for trace elements in high-silica rhyolites. Geochimica et Cosmochimica Acta 1983, 47:11-30.
95. Mahood G.A., Stimac J.A. Trace-element partitioning in pantellerites and trachytes. Geochimica et Cosmochimica Acta 1990, 54:2257-2276.
96. Manning D.A.C. The effect of fluorine on liquidus phase relationships in the system Qz-Ab-Or with excess water at 1kb. Contributions to Mineralogy and Petrology 1981, 76:206-215.
97. Marks M., Halama R., Wenzel T., Markl G. Trace element variations in clinopyroxene and amphibole from alkaline to peralkaline syenites and granites: implications for mineral-melt trace-element partitioning. Chemical Geology 2004, 211:185-215.
98. Marvin R.F., Hearn B.C., Mehnert H.H., Naeser C.W., Zartman R.E., Lindsley D.A. Late Cretaceous-Paleocene-Eocene igneous activity in north-central Montana. Isochron West 1980, 29:5-25.
99. McCulloch M.T., Jaques A.L., Nelson D.R., Lewis J.D. Nd and Sr isotopes in kimberlites and lamproites from Western Australia: enriched mantle origin. Nature 1983, 302:400-403.
100. McDonough W.F., Sun S.S. Composition of the Earth. Chemical Geology 1995, 120:223-253.
101. Meen J.K., Eggler D.H. Petrology and geochemistry of the Cretaceous Independence volcanic suite, Absaroka Mountains, Montana: clues to the composition of the Archean sub-Montanan mantle. Geological Society of America Bulletin 1987, 98:238-247.
102. Middlemost E.A.K. Iron oxidation ratios, norms and the classification of volcanic rocks. Chemical Geology 1989, 77:19-26.
103. Minarik W.G., Watson E.B. Interconnectivity of carbonate melts at low melt fraction. Earth and Planetary Science Letters 1995, 133:423-437.
104. Mirnejad H., Bell K. Origin and source evolution of the Leucite Hills lamproites: evidence from Sr-Nd-Pb-O isotopic compositions. Journal of Petrology 2006, 47(12):2463-2489.
105. Mitchell R.H., Bergman S.C. Petrology of Lamproites 1991, Plenum Press, New York.
106. Mitchell R.H., Fareeduddin Mineralogy of peralkaline lamproites from the Raniganj Coalfield, India. Mineralogical Magazine 2009, 73(3):457-477.
107. Mitchell R.H., Steele I. Potassian zirconium and titanium silicates and strontian cerian perovskite in lamproites from the Leucite Hills, Wyoming. The Canadian Mineralogist 1992, 30:1153-1159.
108. Mitchell R.H., Platt R.G., Downey M. Petrology of lamproites from Smoky Butte, Montana. Journal of Petrology 1987, 28:645-677.
109. Mitchell R.H., Smith C.B., Vladykin N.V. Isotopic composition of strontium and neodymium in potassic rocks of the Little Murun complex, Aldan Shield, Siberia. Lithos 1994, 32:243-248.
110. Morimoto N., Fabries J., Ferguson A.K., Ginzburg I.V., Ross M., Seifert F.A., Zussman J., Aoki K., Gottardi G. Nomenclature of pyroxenes. Mineralogical Magazine 1988, 52:535-550.
111. Murphy D.T., Collerson K.D., Kamber B.S. Lamproites from Gaussberg, Antarctica: possible transition zone melts of Archean subducted sediments. Journal of Petrology 2002, 43:981-1001.
112. Murphy J.B., Hynes A.J., Johnston S.T., Keppie J.D. Reconstructing the ancestral Yellowstone plume from accreted seamounts and its relationship to flat-slab subduction. Tectonophysics 2003, 365:185-194.
113. Nelson D.R., McCulloch M.T., Sun S.-S. The origins of ultrapotassic rocks as inferred from Sr, Nd and Pb isotopes. Geochimica et Cosmochimica Acta 1986, 50:231-245.
114. Neumann E.R., Wulff-Pedersen E., Pearson N.J., Spenser E.A. Mantle xenoliths from Tenerife (Canary Islands): evidence for reactions between mantle peridotites and silicic carbonatite melts inducing Ca metasomatism. Journal of Petrology 2002, 43:825-885.
115. Nielsen R.L., Beard J.S. Magnetite-melt HFSE partitioning. Chemical Geology 2000, 164:21-34.
116. O'Brien H.E., Irving A.J., McCallum I.S. Eocene potassic magmatism in the Highwood Mountains, Montana: petrology, geochemistry, and tectonic implications. Journal of Geophysical Research 1991, 96(B8):13237-13260.
117. O'Brien H.E., Irving A.J., McCallum I.S., Thirlwall M.F. Strontium, neodymium, and lead isotopic evidence for the interaction of post-subduction asthenospheric potassic mafic magmas of the Highwood Mountains, Montana, USA, with ancient Wyoming craton lithospheric mantle. Geochimica et Cosmochimica Acta 1995, 59:4539-4556.
118. O'Neill J.M., Lopez D.A. Character and regional significance of Great Falls Tectonic Zone, east-central Idaho and west-central Montana. American Association of Petroleum Geologists Bulletin 1985, 69(3):437-447.
119. Okulitch, A.V., Lopez, D.A., Jerzykiewicz, T., compilers, 1996. Geology, Lethbridge, Alberta-Saskatchewan-Montana. Geological Survey of Canada, National Earth Science Series, Geological Atlas, Map NM-12-G, scale 1:1 000 000.
120. Owen J.P. Geochemistry of lamprophyres from the Western Alps, Italy: implications for the origin of an enriched isotopic component in the Italian mantle. Contributions to Mineralogy and Petrology 2008, 155:341-362.
121. Perkins G.B., Sharp Z.D., Selverstone J. Oxygen isotope evidence for subduction and rift-related mantle metasomatism beneath the Colorado Plateau-Rio Grande rift transition. Contributions to Mineralogy and Petrology 2006, 151:633-650.
122. Petrelli M., Poli G., Perugini D., Peccerillo A. Petrograph: a new software to visualize, model, and present geochemical data in igneous petrology. Geochemistry, Geophysics, Geosystems 2005, 6. 10.1029/2005GC000932.
123. Pierce K.L., Morgan L.A., Saltus R.W. Yellowstone plume head: postulated tectonic relations to the Vancouver slab, continental boundaries, and climate. Idaho Geological Survey Bulletin 2002, 30:5-33. B. Bonnichsen, C.M. White, M. McCurry (Eds.).
124. Pirsson L.V. The petrographic province of central Montana. American Journal of Science - Fourth Series 1905, 20:35-49.
125. Plank T., Langmuir C.H. The chemical composition of subducted sediment and its consequences for the crust and mantle. Chemical Geology 1998, 145:325-394.
126. Prelević D., Foley S.F., Romer R.L., Conticelli S. Mediterranean Tertiary lamproites: multicomponent melts in post-collisional geodynamics. Geochimica et Cosmochimica Acta 2008, 72:2125-2156.
127. Rock N.M.S. Lamprophyres 1991, Blackie & Son Ltd., Glasgow.
128. Rogers N.W., De Mulder M., Hawkesworth C.J. An enriched mantle source for potassic basanites: evidence from Karisimbi volcano, Virunga volcanic province, Rwanda. Contributions to Mineralogy and Petrology 1992, 111:543-556.
129. Rogers N.W., James D., Kelley S.P., De Mulder M. The generation of potassic lavas from the eastern Virunga Province, Rwanda. Journal of Petrology 1998, 39(6):1223-1247.
130. Rosenthal A., Foley S.F., Pearson D.G., Nowell G.M., Tappe S. Petrogenesis of strongly alkaline primitive volcanic rocks at the propagating tip of the western branch of the East African Rift. Earth and Planetary Science Letters 2009, 284:236-248.
131. Ross G.M., Parrish R.R., Villeneuve M.E., Bowring S.A. Geophysics and geochronology of the crystalline basement of the Alberta Basin, Western Canada. Canadian Journal of Earth Sciences 1991, 28:512-522.
132. Ross G.M., Mariano J., Dumont R., Kjarsgaard B.A., Teskey D. Was Eocene magmatism widespread in the subsurface of southern Alberta? Evidence from new aeromagnetic anomaly data. Geological Survey of Canada, Bulletin 1997, 500:235-246. R.W. Macqueen (Ed.).
133. 2O. Natural Environment Research Council, London, United Kingdom, Publication D 1978, 11:28-31. W.S. MacKenzie (Ed.).
134. Rudnick R.L., Fountain D.M. Nature and composition of the continental crust - a lower crustal perspective. Reviews of Geophysics 1995, 33:267-309.
135. Rukhlov A.S., Pawlowicz J.G. Magmatism and metallic mineralization of the Rocky Mountain fold-and-thrust belt in southwestern Alberta (NTS 82G, H and J): mineralogy, geochemistry and petrology of selected occurrences. Energy Resources Conservation Board, ERCB/AGS Open File Report 2011-11 2011, (88 pp.).
136. Rukhlov A.S., Pawlowicz J.G. Eocene potassic magmatism of the Milk River area, southern Alberta (NTS 72E) and Sweet Grass Hills, northern Montana: overview and new data on mineralogy, geochemistry, petrology and economic potential. Energy Resources Conservation Board, ERCB/AGS Open File Report 2012-01 2012, 88 pp.
137. Sato H. Nickel contents of basaltic magmas: identification of primary magma and a measure of the degree of olivine fractionation. Lithos 1977, 10:113-120.
138. Scambos T.A. Isotopic and trace-element characteristics of the central Montana alkalic province kimberlite-alnoite suite. Tobacco Root Geological Society, 16th Annual Field Conference, August 14-17, 1991, Great Falls, Montana, Montana Bureau of Mines and Geology, Special Publication 1991, 100:93-109. D. Baker, R.B. Berg (Eds.).
139. Sears J.W., Price R.A., Khudoley A.K. Linking the Mesoproterozoic Belt-Purcell and Udzha basins across the west Laurentia-Siberia connection. Precambrian Research 2004, 129:291-308.
140. 2O as a model for hybridization between hydrous siliceous melts and peridotite. Contributions to Mineralogy and Petrology 1982, 79:368-374.
141. Stormer J.C., Nicholls J. XLFRAC: a program for the interactive testing of magmatic differentiation models. Computers and Geosciences 1978, 4:143-159.
142. Thompson R.N., Leat P.T., Dickin A.P., Morrison M.A., Hendry G.L., Gibson S.A. Strongly potassic mafic magmas from lithospheric mantle sources during continental extension and heating: evidence from Miocene minettes of north-west Colorado, U.S.A. Earth and Planetary Science Letters 1989, 98:139-153.
143. Thompson R.N., Velde D., Leat T., Morrison M.A., Mitchell J.G., Dickin A.P., Gibson S.A. Oligocene lamproite containing an Al-poor, Ti-rich biotite, Middle Park, Northwest Colorado, USA. Mineralogical Magazine 1997, 61(4):557-572.
144. Thorkelson D.J., Taylor R.P. Cordilleran slab windows. Geology 1989, 17:833-836.
145. Toscani L. Magmatic gold grains in the El Tale lamproite, Fortuna, SE Spain. Mineralogical Magazine 1999, 63(4):595-602.
146. Toscani L., Contini S., Ferrarini M. Lamproitic rocks from Cabezo Negro de Zeneta: brown micas as a record of magma mixing. Mineralogy and Petrology 1995, 55:281-292.
147. Truscott, M.G., 1975. Petrology and geochemistry of igneous rocks of East Butte, Sweet Grass Hills, Montana. Ph.D. dissertation, University of Saskatchewan, Saskatoon, 174 pp.
148. Turner S.P., Platt J.P., George R.M.M., Kelley S.P., Pearson D.G., Nowell G.M. Magmatism associated with orogenic collapse of the Betic-Alboran domain, SE Spain. Journal of Petrology 1999, 40(6):1011-1036.
149. 2O. Geological Society of America Memoirs 1958, 74. (153 pp.).
150. Villemant B. Trace-element evolution in the Phlegrean Fields (central Italy) - fractional crystallization and selective enrichment. Contributions to Mineralogy and Petrology 1988, 98:169-183.
151. Villeneuve M.E., Ross G.M., Parrish R.R., Theriault R.J., Miles W., Broome J. Geophysical subdivision, U-Pb geochronology and Sm-Nd isotope geochemistry of the crystalline basement of the Western Canada Sedimentary Basin, Alberta and northeastern British Columbia. Geological Survey of Canada, Bulletin 1993, 447. (86 pp.).
152. Vollmer R. Rb-Sr and U-Th-Pb systematics of alkaline rocks: the alkaline rocks from Italy. Geochimica et Cosmochimica Acta 1976, 40:283-295.
153. Vollmer R., Hawkesworth C.J. Lead isotopic composition of the potassic rocks from Roccamonfina (South Italy). Earth and Planetary Science Letters 1980, 47:91-101.
154. Vollmer R., Norry M.J. Possible origin of K-rich volcanic rocks from Virunga, East Africa, by metasomatism of continental crustal material: Pb, Nd and Sr isotopic evidence. Earth and Planetary Science Letters 1983, 64:374-386.
155. Vollmer R., Ogden P., Schilling J.-G., Kingsley R.H., Waggoner D.G. Nd and Sr isotopes in ultrapotassic volcanic rocks from the Leucite Hills, Wyoming. Contributions to Mineralogy and Petrology 1984, 87:359-368.
156. Vuke, S.M., Porter, K.W., Lonn, J.D., Lopez, D.A., compilers, 2007. Geologic map of Montana - Information Booklet. Montana Bureau of Mines and Geology, Geologic Map 62D, 67 pp.
157. Walker R.T. Report on the Pinhorn diamond/gold property, Milk River area, Alberta, Marum Resources Incorporated. Alberta Research Council, Alberta Geological Survey, Mineral Assessment Report 19940008 1994, (173 pp.).
158. Wallace P., Carmichael I.S.E. Minette lavas and associated leucitites from the Western Front of the Mexican Volcanic Belt: petrology, chemistry, and origin. Contributions to Mineralogy and Petrology 1989, 103:470-492.
159. Zindler A., Hart S.R. Chemical geodynamics. Annual Review of Earth and Planetary Sciences 1986, 14:493-571.