The Homestead kimberlite, central Montana, USA: Mineralogy, xenocrysts, and upper-mantle xenoliths

Lithos

Volumn 77, Issue 1-4 SPEC. ISS., 2004, Pages 473-491

  Carter Hearn Jr , B ^a  

^a U S GEOLOGICAL SURVEY   (United States)

Author keywords

Kimberlite; Montana; Peridotite; Thermobarometry; Upper mantle; Xenocryst; Xenolith

Indexed keywords

DIAMOND; KIMBERLITE; MANTLE SOURCE; MINERALOGY; XENOLITH;

NORTH AMERICA; UNITED STATES; WESTERN HEMISPHERE; WORLD; WYOMING CRATON;

EID: 17744392624     PISSN: 00244937     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.lithos.2004.04.030     Document Type: Article

References (46)

1. Brey G.P. Kohler T. Nickel K.G. Geothermobarometry in four-phase lherzolites: Part II. New thermobarometers, and practical assessment of existing thermobarometers J. Petrol. 31 1990 1353-1378
2. Buhlmann A.L. Cavell P. 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 Can. J. Earth Sci. 37 2002 1629-1650
3. Carlson R.W. Irving A.J. Schulze D.J. Hearn B.C. Jr. Timing of lithospheric mantle modification beneath the Wyoming craton Lithos 2004 (this volume)
4. Chadwick R.A. Radiometric ages of some Eocene volcanic rocks, southwestern Montana Isochron-West 27 1980 11
5. Davidson P.M. Mukhopadhyay D.K. Ca-Fe-Mg olivines: Phase relations and a solution model Contrib. Mineral. Petrol. 86 1984 256-263
6. ltDoden A.G. Ultramafic lamprophyres from Porcupine dome, east-central Montana, and their potential for diamond In: Jones R.W. Harris R.E. (Eds.) Proceedings of the 32nd Annual Forum on the Geology of Industrial Minerals, Wyoming State Geological Survey Public Information Circular vol. 38 1996 241-256
7. Doden A.G. Gold D.P. Diatreme-dike associations of central Montana In: Hunter L.D.V. (Ed.) Energy and Mineral Resources of Central Montana, 1993 Field Conference Guidebook 1993 215-226 Montana Geological Society Billings, Montana
8. du Bray E.A. Harlan S.S. The Eocene Big Timber stock, south-central Montana: Development of extensive compositional variation in an arc-related intrusion by side-wall crystallization and cumulate glomerocryst remixing Geol. Soc. Amer. Bull. 108 1996 1404-1424
9. Dudas F.O. Geochemical features of igneous rocks from the Crazy Mountains, Montana, and tectonic models for the Montana igneous province J. Geophys. Res. 96 1991 13261-13277
10. Ellsworth P.C. Homestead kimberlite: New discovery in central Montana Guidebook, 25th Annual Field Conference 2000 14-20 Tobacco Root Geological Society Missoula, Montana
11. Finnerty A.A. Boyd F.R. Thermobarometry for garnet peridotites: basis for the determination of thermal and compositional structure of the upper mantle In: Nixon P.H. (Ed.) Mantle Xenoliths 1987 381-402 John Wiley and Sons Chichester
12. Gorman A.R. Clowes R.M. Ellis R.M. Henstock T.J. Spence G.D. Keller G.R. Levander A.R. Snelson C.M. Burianyk M.J.A. Kanasewich E.R. Asudeh I. Hajnal Z. Miller K.C. Deep probe: Imaging the roots of western North America Can. J. Earth Sci. 39 2002 375-398
13. Gurney J.J. A correlation between garnets and diamonds in kimberlites In: Glover J.E. Harris P.G. (Eds.) Kimberlite Occurrence and Origin: A Basis for Conceptual Models in Exploration vol. 8 1984 143-166 The University of Western Australia Publ Perth
14. Gurney J.J. Moore R.O. Geochemical correlations between kimberlitic indicator minerals and diamonds Diamonds: Exploration, Sampling and Evaluation, Short Course Proceedings 1993 147-171 Prospectors and Developers Association of Canada Toronto
15. Harlan S.S. Timing of emplacement of the sapphire-bearing Yogo dike, Little Belt Mountains, Montana Econ. Geol. 91 1996 1159-1162
16. 39Ar and K-Ar geochronology of the Late Cretaceous Adel Mountain Volcanics and spatially associated igneous rocks, northwestern Montana. U.S. Geol. Surv. Bull.
17. Hearn B.C. Jr. Diatremes with kimberlitic affinities in north-central Montana Science 159 1968 622 625
18. Hearn B.C. Jr. Preliminary map of diatremes and alkalic ultramafic intrusions, Missouri River Breaks and vicinity, north-central Montana U. S. Geol. Surv. Open-File Report 1979 79-1128
19. Hearn B.C. Jr. Peridotite xenoliths from Porcupine Dome, Montana, USA: Depleted subcontinental lithosphere samples in an olivine-phlogopite-carbonate magma In: Gurney J.J. Gurney J.L. Pascoe M.D. Richardson S.H. (Eds.) Proc. 7th Internat. Kimberlite Conf., Dawson Volume 1999 353-360 Red Roof Design Cape Town
20. Hearn B.C.Jr. McGee E.S. Garnet peridotites from Williams kimberlites, north-central Montana, USA In: Kornprobst J. (Ed.) Kimberlites II: The Mantle and Crust-Mantle Relationships 1984 57-70 Elsevier Amsterdam
21. Hearn B.C. Jr. McGee E.S. Crust and upper mantle beneath the northern plains: Evidence from xenoliths U.S. Geol. Surv. Circ. 956 1987 32-34
22. Hearn B.C. Jr. Dudas F.O. Eggler D.H. Hyndman D.W. O'Brien H.E. McCallum I.S. Irving A.J. Berg R.B. Montana high-potassium igneous province 28th International Geological Congress, Field Trip Guidebook T346 1989 Am. Geophys. Union Washington D.C 86 pp.
23. 39Ar evidence for ca. 1800 Ma tectonothermal activity along the Great Falls tectonic zone, central Montana Can. J. Earth Sci. 39 2002 1719-1728
24. Irving A.J. Hearn B.C. Jr. Alkalic rocks of Montana: Kimberlites, lamproites, and related magmatic rocks Montana Field Trip Guidebook, 16-21 June 2003, 8th International Kimberlite Conference 2003 Geological Survey of Canada Bookstore Ottawa 44 pp.
25. Irving A.J. Kuehner S.M. Ellsworth P.C. Petrology and thermobarometry of mantle xenoliths from the Eocene Homestead kimberlite pipe, central Montana, USA Program with Abstracts, 8th International Kimberlite Conference, Victoria, BC, Canada 2003 53
26. Johnson W.D. Jr. Smith H.R. Geology of the Winnett-Mosby area, Petroleum, Garfield, Rosebud, and Fergus Counties, Montana U.S. Geol. Surv. Bull. 1149 1964 (91 pp.)
27. Kohler T. Brey G.P. Calcium exchange between olivine and clinopyroxene calibrated as a geothermobarometer for natural peridotites from 2 to 60 kb with applications Geochim. Cosmochim. Acta 54 1990 2375-2388
28. Li J. Kornprobst J. Vielzeuf D. An improved experimental calibration of the olivine-spinel geothermometer Chin. J. Geochem. 14 1995 68-77
29. Marvin R.F. Witkind I.F. Keefer W.R. Mehnert H.H. Radiometric ages of intrusive rocks in the Little Belt Mountains, Montana Geol. Soc. Amer. Bull. 84 1973 1977-1986
30. Marvin R.F. Hearn B.C. Jr. Mehnert H.H. Naeser C.W. Zartman R.E. Lindsey D.A. Late Cretaceous-Paleocene-Eocene igneous activity in north-central Montana Isochron-West 29 1980 5-25
31. McGee E.S. Hearn B.C. Jr. Primary and secondary mineralogy of carbonated peridotites from the MacDougal Springs diatreme In: O'Reilly S.Y. et al. (Eds.) Kimberlites and Related Rocks, Volume 2 Spec. Publ.-Geol. Soc. Aust. vol. 14 1989 725-734
32. Mitchell R.H. Kimberlites: Mineralogy, Geochemistry, and Petrology 1986 Plenum New York
33. Mitchell R.H. Kimberlites, Orangeites, and Related Rocks 1995 Plenum New York
34. Mitchell R.H. Bergman S.C. Petrology of Lamproites 1991 Plenum New York
35. Mitchell R.H. Platt R.G. Downey M. Petrology of lamproites from Smoky Butte, Montana J. Petrol. 28 1987 6455-6677
36. Mueller P.A. Heatherington A.L. Kelly D.M. Wooden J.L. Mogk D.W. Paleoproterozoic crust within the Great Falls tectonic zone: implications for the assembly of southern Laurentia Geology 30 2002 127-130
37. Nelson W.J. Structural geology of the Cat Creek anticline and related features, central Montana Mont. Bur. Mines Geol. Memoir 64 1993 44 pp.
38. Nimis P. Taylor W.R. Single clinopyroxene thermobarometry for garnet peridotites: Part 1. Calibration and testing of a Cr-in-Cpx barometer and an enstatite-in-Cpx thermometer Contrib. Mineral. Petrol. 139 2000 541-554
39. O'Brien H.E. Irving A.J. McCallum I.S. Thirlwall M.F. Sr, Nd and Pb isotopic evidence for interaction of post-subduction asthenospheric potassic mafic magmas of the Highwood Mountains, Montana with ancient Wyoming craton lithospheric mantle Geochim. Cosmochim. Acta 59 1995 4539-4556
40. O'Neill J.M. Lopez D.A. Character and regional significance of Great Falls Tectonic Zone, east-central Idaho and west-central Montana Am. Assoc. Pet. Geol. Bull. 69 1985 437-447
41. Porter K.W. Wilde E.M. Geologic map of the Musselshell 30′×60′ quadrangle, central Montana Open File Rep.-Mont. Bur. Mines Geol. 1999 386
42. Porter K.W. Wilde E.M. Geologic map of the Winnett 30′×60′ quadrangle, central Montana Open File Rep.-Mont. Bur. Mines Geol. 1999 307
43. Schulze D.J. A classification scheme for mantle-derived garnets in kimberlite: A tool for investigating the mantle and exploring for diamonds Lithos 71 2003 195-213
44. Schulze D.J. Anderson P.F.N. Hearn B.C.Jr. Hetman C.M. Origin and significance of ilmenite megacrysts and macrocrysts from kimberlite Int. Geol. Rev. 37 1995 780-812
45. lSmith C.B. Lucas H. Hall A.E. Ramsay R.R. Diamond prospectivity and indicator mineral chemistry: A Western Australian perspective In: Meyer H.O.A. Leonardos O.H. (Eds.) Diamonds: Characterization, Genesis and Exploration Proc. 5th Int. Kimb. Conf. Brasilia: CPRM
46. Springfield J.T. Mansker W.L. Factors affecting garnet metamerism and applications in kimberlite evaluation/exploration Abst. Progr.-Geol. Soc. Amer. 17 1985 193