unidirectional solidification textures, miarolitic cavities and orbicles

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Copyright NoticePlease be advised that Mr. Douglas Kirwin claims copyright on these materials. Noreproduction without the permission of the author .Contacts:Douglas Kirwin:Ivanhoe Mines Limited - Singapore#37-02 Millenia TowerNo.1 Temasek AvenueSingapore 039192T: 62 21 722 4962E: doug@ivanhoemines.comSE Europe Geoscience FoundationLevel 2, 162 Tcvetan Lazarov Blvd.,DRUZHBA 2SOFIABULGARIA 1582T: 359 2 978 4880E: jcmenzies@see-geoscience.orgW: www.see-geoscience.orgSEEGF Conference – October 2006
OVERPRESSURED VOLATILES, FLUIDS AND TEXTURESIN INTRUSION - HOSTED MINERAL DEPOSITSFluid – Volatiles Related Cupola Textures( UST’s, miarolitic cavities, orbicles )Mineralised ExamplesPotential Economic Models++++++++ +
Page 1: UNIDIRECTIONAL SOLIDIFICATION TEXTU
Page 5 and 6: (from Heinrich, 2005)
Page 7 and 8: UST’sUNIDIRECTIONAL SOLIDIFICATIO
Page 9 and 10: Contorted UST bands, Seltai, Kazahk
Page 11 and 12: UST - Khongor, South Gobi, Mongolia
Page 14 and 15: tpoTsagaan Chulut, Northeast Mongol
Page 16 and 17: View of large circle quartz layer,
Page 18 and 19: Parallel to C-axis, Logtung,Canada9
Page 20 and 21: “A” veins Hall Mo-Cu porphyry,
Page 22 and 23: Quartz veins and stockwork, Escondi
Page 24 and 25: UST Mineral Park CuMo Mine, Arizona
Page 26 and 27: Saginaw Hill, Tucson, Arizona, USA
Page 28 and 29: UST Ravenswood, North Queensland, A
Page 30 and 31: Bronze Fox Au-Cu porphyry, South Go
Page 32 and 33: Thin section illustrating location
Page 34 and 35: Ridgeway Au-Cu porphyry, New South
Page 36 and 37: Chalcopyrite - rich UST bands,Tampa
Page 38 and 39: Hada Sumu Au-Cu porphyry, Inner Mon
Page 40 and 41: UST Magnetite, Hada Sumu district,
Page 42 and 43: Geological cross-section of the Red
Page 44 and 45: Orivesi, Finland
Page 46 and 47: MIAROLITIC CAVITIESGifu, Japan
Page 48 and 49: Miarolitic cavities, Gorkhi, Mongol
Page 50 and 51: Miarolitic pipes, Goonbarrow, Cornw
Page 52 and 53:
27.1 g/t Au and 0.1% Cu
Page 54 and 55:
Miarolitic monzonite 1.3 g/t Au and
Page 56 and 57:
Tourmaline miarolitic cavities, Zaa
Page 58 and 59:
Ore pipes, Zaaiplats
Page 60 and 61:
King King porphyry Cu-Au deposit, l
Page 62 and 63:
Spitzkoppe granite, Namibia
Page 64 and 65:
Plumose feldspars, Goonbarrow, Corn
Page 66 and 67:
St. Michaels Mt., Cornwall, UK
Page 68 and 69:
Plumose biotite contact zone, Wibor
Page 70 and 71:
Baikal region, Russia
Page 72 and 73:
Cupola outcrop, West margin of the
Page 74 and 75:
Plumose arfvedsonite zone
Page 76 and 77:
Topaz zinwaldite, Altenberg, Erzgel
Page 78 and 79:
Orbicular Koperburg dioritefrom Orb
Page 80 and 81:
Orbicular, Koperburg diorite, Okiep
Page 82 and 83:
Copper deposits of the Okiep distri
Page 84 and 85:
Copper-bearing diorite, Okiep, Sout
Page 86:
Orbicular granite, Berger Nuur, Wes
Page 89 and 90:
UST EXAMPLES Porphyry copper - moly
Page 91:
WHAT IF THE FLUIDS AND VOLATILES AR
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unidirectional solidification textures, miarolitic cavities and orbicles

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