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blue mineral ākyaniteāin occurrences that are far less well-known to collectors. Kyanite, a typically...ceramic and related refractory industries. Although kyanite itself can be a collectible mineral, within its...is, of course, Graves Mountain, Georgia. The occurrence of lazulite in this and several other geologically...member scorzalite. Associated minerals are kyanite, sillimanite, andalusite, rutile, corundum, topaz, dumortierite...Small blue lazulite grains occur with white sillimanite at Phippsburg, Sagadahoc County, Maine. Gemmy |
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anticline, Chinner (1962, 1966) separated a sillimanite and migmatite forming episode (in the region...map of the NE Highlands showing an andalusite/kyanite isograd running S from the Moray Firth, curving...Easterly course along Deeside to intersect the kyanite (dehydration) isograd near the Aberdeen coast;...this topology on the grounds that it required the kyanite (dehydration) isograd to be inverted (Chinner,.... V-'.r.-rV? , A Ā£ Figure 2. Alternative Kyanite/Andalusite isogradic topologies. AB, proposed by |
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on.ca \ ONTARIO DEPARTMENT OF MINES KYANITE AND SILLIMANITE IN ONTARIO D. F. Hewitt Table of Contents...Prop*. Kyanite Sillimanite Andalusite Refractories Uses and Specificatior Mode of Occurrence Kyanite Occurrences...Deposit Wanapitei Kyanite L posit Fernleigh Kyanite L^posit Sillimanite Occurrence- in Ontario Grade...?..V ficiation Marketing Kyanite Production and Consur- - 1 ion of Kyanite Bibliography Ontario Deposits...InformatJ ' KYANITE AND SILLIMANITE IN ONTARIO by D. F. Hewitt INTRODUCTION Kyanite and sillimanite are two |
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69, 177-184 (1979) 9 by Springer-Verlag 1979 Kyanite-Bearing Rocks From the Hackett River Area, N.W...staurolite-cordierite, sillimanite. To the southwest the sequence is andalusitestaurolite-cordierite, sillimanite. In quartzofeldspathic...dome than the sillimanite isograd, kyanite occurs as corroded relics, cross-cut by sillimanite and rimmed...diapiric uplift. Spatial association of late Archean kyanite-bearing rocks with early Archean sodic proto-cratons...Henderson, 1972; Binns et al., 1976). Although kyanite is known from the Archean of Australia (Binns et |
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garnet peridotites from the Western Gneiss Region of Norway (Beyer et al., 2006; Vrijmoed et al., 2006), the...around 690ā780 Ā°C and 3.8ā5.9 kbar within the sillimanite stability ļ¬eld (Table 1, Fig. 2d), and the two...the dashed line represents the andalusite Ā¼ sillimanite equilibrium of Pattison (1992). present garnet-olivine...A single kyanite occurrence at the Blue Mountain in close proximity to several sillimanite localities...the present PāT determinations all plot in the sillimanite-stability ļ¬eld (Fig. 2d), which is consistent |
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variations along the different metamorphic zones. Relic kyanite is observed in the form of inclusions in andalusite...864190 Mig Sil P, prismatic sillimanite; Sil F, fibrolitic sillimanite; Mig, migmatite zone. Other mineral...in the Sierra Albarrana area. Andalusite-in, sillimanite-in and migmatite-in isograds have been marked...Albarrana area. Andalusite-in, andalusite-out and sillimanite-in regional isograds have been depicted (dashed...andalusite and garnet porphyroblasts. Sillimanite zone The sillimanite zone is marked by the disappearance |
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April 17, 2015 Origin of xenocrystic garnet and kyanite in clinopyroxene ā hornblende-bearing adakitic...606-8501, Japan Abstract: Xenocrystic garnet and kyanite, in addition to clinopyroxene and rare orthopyroxene...Textural and compositional features of garnet and kyanite suggest that these minerals formed most probably...This paper reports the first occurrence of xenocrystic garnet and kyanite in the meta-tonalites as the...University of St Andrews on April 17, 2015 GARNET AND KYANITE IN ADAKITIC META-TONALITES in SiO2. Neither olivine |
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Median Crystalline Massif, corresponded to the kyanite mineral subfacies of the amphibolite facies at...9ā6.9 kbar. This metamorphism predetermined wide kyanite development in high-Al garnetābiotite plagiogneisses...pressure (depth), as follows from the textures of kyanite reaction replacement by andalusite in both the...resulted in the intense replacement of biotite by sillimanite (fibrolite) and, to a lesser degree, muscovite...of Oligoceneā Miocene age in garnetābiotite and kyaniteāgarnetābiotite plagiogneisses of the amphibolite |
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19, 661Ā±677 PĀ±T modelling of the andalusiteĀ±kyaniteĀ±andalusite sequence and related assemblages in...pelites. Prograde and retrograde paths in a late kyanite belt in the Variscan Iberia F . J. M AR TIN EZ...martinez@uab.es) ABSTRACT The exceptional andalusiteĀ±kyaniteĀ±andalusite sequence occurs in Al-rich graphitic...andalusite Ā®eld followed by retrogression into the kyanite Ā®eld, most likely coupled with a slight pressure...decrease, generated the retrograde andalusiteĀ±kyanite transformation, plus chlorite consumption and chloritoid |
| | Book (edition) |
a stable association. Only one example of the occurrence of wollastonite in such rocks is known (MISCH...pyrophyllite AI;aC(OH) JSi 40 lO J. A = 100 sillimanite, kyanite (disthene), AI:aSi05' A = 100 andalusite...Hyp~rsth~ne Fig. 11. Pyroxene-hornfels facies (sillimanite, instead of andalusite occurs in the highest-temperature...feldspar ( orthoclase) + biotite or andalusit~ sillimanite + cordierite + plagioclase; no muscovite biotite...chlorite Original rocks: andalusite/ K-poor, sillimanite AI-rich shales Ā± cordierite Ā± plagioclase Ā± K |
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Topaz Cordierite Al2SiOs group Andalusite Sillimanite Kyanite Staurolite Wollastonite Chloritoid 142 143...glass Goethite Gamet Hauyne Hornblende K-feldspar Kyanite Lithium-mica Muscovite Nepheline Olivine Orthopyroxene...a patchy colour distribution (e.g. andalusite, kyanite, corundum). In coloured anisotropic crystals light...skeletal forms and/or is altered to leucoxene. Occurrence: accessory mineral in most igneous rocks. It...clearly seen in altered than in fresh grains. Occurrence: it occurs together with magnetite as an accessory |
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obtained through considerations of staurolite and sillimanite stabilities. GEOLOGIC SETTING The metamorphic...staurolite + sillimanite. Ilmenite, tourmaline, and monazite occur as accessory phases. The sillimanite is partly...matrix and as inclusions within garnet, and both sillimanite and idioblastic stau- rolite grains occur as...growth was followed by the simultaneous growth of sillimanite and plagioclase, which was followed by the simultaneous...minerals present: quartz + staurolite + muscovite = sillimanite + biotite + garnet + H2O. In the KFMASH system |
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akermanite-monticellite-wollastonite at Cascade Slide, kyanite at Blue Mountain, sphalerite-pyr!te-pyrrhotite...and 750__ 30 ~ C (Valley and Essene 1980a). The occurrence of ferrosilite 95 (Fe 2 +/ (Fe 2+ +Mg)) in the...1980b; Bohlen and Boettcher 1981). Further, sillimanite occurs throughout the Adirondacks and restricts...Richardson et al. 1968; Holdaway 1971). A single kyanite occurrence at Blue Mountain (Boone 1978), itself in...in close proximity to several sillimanite localities, requires 7.6+0.5 kb for a T of 730_+30~ C (Bohlen |
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TRACE FOSSIL LOCALE STOP 2B HAGERS MOUNTAIN KYANITE OCCURRENCE 39 39 41 43 SUPPLEMENTAL STOPS STOP S.1...greenschist facies conditions, an unusual quartz-kyanite rock has been reported in the unit (Owens and Wilson...Wilson, 2009); the setting and nature of this occurrence is the subject of our Stop 2B. In the Roxboro...al., 2007, 2016). lenses of biotite+garnet+sillimanite schist; the most common rock type is biotite...medium-grained gray to gray-brown, contain biotite+garnet+sillimanite and commonly enclose porphyroclasts of feldspar |
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Mine Chaput-Payne Mine McCloskey Field feldspar occurrence Canada Cement quarry Forsyth Mine Baldwin Mine...Occurrences along Lac Ste-Marie Road Kornerupine occurrence Pritchard and Sparks Mine Hastey Mine 43 44...Mine Lac Bitobi zinc occurrence Zinc Mine Kensington (Acme) Mine Garnet occurrence Maniwaki molybdenite...quarry Perth quarry Keays quarry Graphic grani te occurrence Ennis quarry Playfair (Dalhousie) Mine Radenhurst...Mine Highway 509 occurrence Angelstone (Sharbot Lake) quarry Crawford barite occurrence Marlhill Mine Robertsville |
| HoĆæm de Marien, Luc, Le Bayon, Benjamin, Pitra, Pavel, Van Den Driessche, Jean, Poujol, Marc, Cagnard, Florence (2019) Twoāstage Variscan metamorphism in the Canigou massif: Evidence for crustal thickening in the Pyrenees. Journal of Metamorphic Geology, 37 (6) 863-888 doi:10.1111/jmg.12487 | Journal (article/letter/editorial) |
All rights reserved. subsequent discovery of kyanite associated with garnet and staurolite suggested...chlorite, biotite, andalusite Ā± cordierite, and sillimanite from the outer to the inner parts of the massif...event is revealed by the growth of prismatic sillimanite after andalusite (Gibson, 1992). The peak PāT...(Gibson, 1991, 1992). Staurolite is associated with kyanite (Azambre & Guitard, 2001) and helicitic or static...garnet, ilm: ilmenite, ksp: potassium feldspar, ky: kyanite, ma: margarite, mt: magnetite, mu: muscovite, pa: |
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. . . . . . . . . . ā¢ . . . . . Korner upine occurrence................................... Pritchard... . . . . . . . . . . . . . . Lac Bitobi zinc occurrence . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . Garnet occurrence .ā¢. , . . . . . . ā¢ . . . . ā¢ . . . . . . . ............................... Graphic granite occurrence . . . . . . . . . . . . . . . . . . . . . . ............ . .. . . . . . . . Crawford barite occurrence.. . . . . . . . . . . . . . . . . . . . . . |
| | Book (edition) |
52 9a0e a oe eee 844: Sillimanite GroupāAndalusite, Kyanite, Sillimanite, Dumortierite, Topaz. By...structure, cleavage or parting. Origin and Mode of Occurrence CORUNDUM Corundum is known to occur in about...production in recent years. There are two types of occurrence: (1) schist ores, in which thin bands of quartzite...immediately associated with rocks containing sillimanite, cordierite, garnet and quartz. A characteristic...almandite, 499; andradite, 509. Origin and Mode of Occurrence Garnets occur as accessory minerals in a large |
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... 105 Sillimanite ............................................................ 106 Kyanite ..........dispell incorrect though common beliefs about their occurrence. Compounds occurring in Georgia meteorite specimens...courthouse of the particular county in which the occurrence is located. In some instances names of original...are given which are typical of the mineral's occurrence. Minerals such as calcite, dolomite, and kaolinite...physical description of material, exact geological occurrence, and location. Critical review of the manuscript |
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The rock illustrated is from a region near Oslo, Norway. Samples of it were brought to Denmark by glaciers...shown. b Figure 64. Orthoclase from Arendal, Norway. Field of view: 50 x 61 mm. ee ae ier, Geis:...a pinacoid, {hkl}, the general form. Axinite, kyanite, and plagioclase feldspars are examples of this... CRYSTALLOGRAPHY Figure 74. Tremolite from Kragerg, Norway. As shown here, tremolite can develop as asbestos...phenomenon is called epitaxy and is known from kyanite-staurolite intergrowths where the two c axes are |
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. . . . . . . . . . . Virgin Lake celestite occurrence. . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . Gutz corundum occurrence. . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . Michaelis corundum occurrence. . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . Jewellville corundum occurrence . . . . . . . . . . . . . . . . . . . . . . ... .... " . . . .. . .. . . . Berger amazonite occurrence. . . . . . . . . . . . . . . . . . . . . . . |
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pyrite_________________________________________ Kyanite. ____-___-_____________---_-_-_----_---_--_--__-_-___Moon...WILDERNESS muscovite-biotite-feldspar. Sillimanite- and kyanite-bearing quartzitic schists were found...found in several places. The greatest thickness of kyanite-bearing rocks is on the southeast-trending ridge...1 mile south of Gallatin Peak. There, biotite-kyanite-quartz schist is interlayered with other schists...gneisses in sequence about 1,500 feet thick. The kyanite, both deep-blue and colorless in crystals about |
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GroupāBerylāScapolite GroupāIdocraseāZirzonāTopaz āAndalusiteāSillimaniteāK yaniteāMulliteāD umortieriteā Tourmaline G...wood ee. Fie. 101.āA flamboyant gregate of sillimanite nicols. radial ag- between crossed ORIENTATION...is furnished at times by sillimanite (Fig. 101). The needles of sillimanite, however, are not so regularly...fiberlike crystals. X le oat : >dlel tals of sillimanite in quartz. Mo. 1 4 os i Fic. 107.āEuhedral...some other mineral, such as mica or quartz. Sillimanite, for example, may be found in minute needles |
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rconāAxiniteāIddingsite. Sillimanite Family: AndalusiteāSillimaniteāKyaniteāMulliteāDumortierite āTopaz...8-6 ( X33) A flamboyant radial aggregate of sillimanite between crossed nicols. Collophane, the mineral...by silliĀ¬ manite (Figure 8-6). The needles of sillimanite, however, are not so regularly arranged as is...crystals. g ?G( X33) Needlelike crystals of sillimanite in quartz. IG. Q-iZ. ( X33) Euhedral crystals...coarse-bladed type of development is furnished by kyanite, as illustrated in Figure 8-17. Twin Crystals. |
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barite occurrence Pakenham quarry Cedar Hill soapstone occurrence Galetta celestine occurrence Kingdon...Kingdon (Fitzroy, Galetta) mine Stanton lead occurrence Bellās mine Calabogie area Bluff Point mine Calabogie...RenfrewāMcArthurs Mills area Hunt mine Dacre iron occurrence Keyfortmore mine Radnor mine Sunset mine Spain...Kuehl Lake occurrence Quadeville East mine Quadeville West mine Gutz corundum occurrence Michaelis corundum...corundum occurrence Edgemont mine Jewellville corundum occurrence Craigmont (Craig) mine Burgess mine |