Petrology and Cu-Ni-PGE Mineralization of the Bovine Igneous ...

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Figure 15. Stratigraphic variation in modal abundance of plagioclase, clinopyroxene and olivine through BIC01-01. Modal mineralogy visually estimated from 48 thin sections. Magnetic susceptibility measured by KEMC is taken to be a proxy for Fe-Ti oxide content. 32
Figure 16. Stratigraphic variation in grain size, mineral habit, and alteration of olivine, clinopyroxene, and plagioclase through drill core BIC01-01. 33
Page 1 and 2: Petrology and Cu-Ni-PGE Mineralizat
Page 3 and 4: Acknowledgements I would like to th
Page 5 and 6: While this cumulate stratigraphy of
Page 7 and 8: 4.6.1 Little BIC...................
Page 9 and 10: Figures 1 Geologic Map of Southwest
Page 11 and 12: 1.0 Introduction The failed rifting
Page 13 and 14: 08BIC044 • Figure 2. Geology of t
Page 15 and 16: 1.1.2 Baraga Group Collision of an
Page 17 and 18: lithosphere and the lower crust (Ni
Page 19 and 20: 1.1.4 Bovine Igneous Complex The (B
Page 21 and 22: and a sulfur isotope study is under
Page 23 and 24: those goals will be to characterize
Page 25 and 26: 2.1 Core Logging and Sampling Three
Page 27 and 28: exporting data layers from ArcMap a
Page 29 and 30: Figure 7. Modal rock type classific
Page 31 and 32: were chosen from each rock type whi
Page 33 and 34: outcrops are very coarse-grained an
Page 36 and 37: Figure 12. Bedrock geologic map of
Page 38 and 39: The feldspathic wehrlite is in turn
Page 40 and 41: unit to subprismatic at the top (Fi
Page 44 and 45: 3.2.2 08BIC044 This 731m long hole
Page 46 and 47: The lower feldspathic wehrlite unit
Page 48 and 49: the dramatic increase in clinopyrox
Page 51 and 52: Figure 17. Generalized lithostratig
Page 53 and 54: Figure 20. Stratigraphic variation
Page 55 and 56: Figure 21. Lithostratigraphy of dri
Page 57 and 58: Figure 23. Modal mineralogy of plag
Page 59 and 60: A B Figure 25. A.) Photomicrograph
Page 61 and 62: A B Figure 27. A.) Photomicrograph
Page 63 and 64: 3.3 Mineral Chemistry and Cryptic L
Page 65 and 66: Figure 29. Stratigraphic variation
Page 67 and 68: All values in parts per million (pp
Page 69 and 70: 4.0 Discussion The petrographic, mi
Page 71 and 72: the lower feldspathic wehrlite unit
Page 73 and 74: would expect from the fractional cr
Page 75 and 76: Cumulate Stratigraphy Pl+Cpx+Ox Cpx
Page 77 and 78: orthocumulate zone similarly increa
Page 79 and 80: upper slate of the Michigamme forma
Page 81 and 82: C. Emplacement of upper ultramafic
Page 83 and 84: Figure 34. Normalization spider dia
Page 85 and 86: aluminum but higher titanium, iron,
Page 87 and 88: B. QFM C. QFM-2 Figure 36. Mineral
Page 89 and 90: Figure 37. Mineral paragenesis calc
Page 91 and 92: Figure 38. Plot of Cu, Ni, Pd, and
Page 93 and 94:
wehrlite followed by a feldspathic
Page 95 and 96:
Johnson, R.C., 2007, Petrography an
Page 97 and 98:
Appendix A Petrographic Description
Page 99 and 100:
Appendix A-1 Bulk Rock Petrography
Page 101 and 102:
044-414.7 fwer med crs to crs wehrl
Page 103 and 104:
Appendix A-2 SILICATE MINERAL PETRO
Page 105 and 106:
044-497.5 fwer med to med crs calci
Page 107 and 108:
Appendix B Mineral Chemical Data Py
Page 109 and 110:
Spectrum 3 53.26 0.94 2.43 7.6 0 15
Page 111 and 112:
Average 86.1 50.1 8.1 41.8 SD 0.37
Page 113 and 114:
Spectrum 3 54.15 0.84 1.64 5.3 0 16
Page 115 and 116:
Spectrum 5 55.36 1.56 5.96 0 19.97
Page 117 and 118:
Ol.2 40.99 16.16 0 42.84 100.0 82.5
Page 119:
Spectrum 6 53.95 0.95 2.41 6.92 17.
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Petrology and Cu-Ni-PGE Mineralization of the Bovine Igneous ...

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