 | | Journal (article/letter/editorial) | | 1973, VOL. 3 9 , P P . 241-3 Low-iron cordierite in phlogopite schist from White Well, Western Australia... Perth, Western Australia SUMMARY. Pale-blue cordierite (complete analysis given; shows total iron oxides...oxides only 0'98 % ) occurs in phlogopite schist near White Well (24 ~ 28' 3o" S. I 16 ~ 2' E.) 2o miles...sillimanite, accessory zircon and rutile. The cordierite is in translucent masses to 8 • 8 • 4 c m with...cell a I7"o55, b 9"724, c 9"350 ~l. The host phlogopite (complete analysis given) is in brown flakes |  | | Journal (article/letter/editorial) | | mobilization and crystallization of K-feldspar, phlogopite, chlorite, titanite, and rutile. The process...also reported (grey lines). (C) Cordierite‐biotite (Crd‐Bt) vs. phlogopite‐ roof morphology is also reported...reported (grey lines). (C) Cordierite-biotite (Crd-Bt) vs. phlogopite-titanite titanite granite. (Phl‐Ttn)...white-grey marble. (H) Folded marble replaced by phlogopite‐diopside (Di) exoskarn, into layered grey marble...marble. marble. (H) Folded marble replaced by phlogopite-diopside (Di) exoskarn, into layered grey marble |  | | Report (issue) | | barite occurrence Pakenham quarry Cedar Hill soapstone occurrence Galetta celestine occurrence Kingdon...Kingdon (Fitzroy, Galetta) mine Stanton lead occurrence Bell’s mine Calabogie area Bluff Point mine Calabogie...Renfrew–McArthurs 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 |  | | Journal (article/letter/editorial) | | Significance of Channel and Fluid-Inclusion CO 2 in Cordierite: Evidence from Carbon Isotopes by M. SANTOSH*...undertaken on pure mineral separates from six cordierite-bearing assemblages from Kerala, South India...fluid inclusions and channel-trapped volatiles in cordierite. Field relations, phase-equilibria systematics...systematics, and fluidinclusion studies suggest that cordierite megacrysts associated with orthopyroxene within...rocks of lower Mg/Fe ratios. In contrast, smaller cordierite grains associated with sillimanite and spinel |  | | Report (issue) | | . . . . . . . . . . . Virgin Lake celestite occurrence. . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . Gutz corundum occurrence. . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . Michaelis corundum occurrence. . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . Jewellville corundum occurrence . . . . . . . . . . . . . . . . . . . . . . ... .... " . . . .. . .. . . . Berger amazonite occurrence. . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (issue) | | these analyses are presented as Table II. One occurrence of fluorapatite deserves special mention, inas...Features of the Panasqueira tin-tungsten ore-occurrence (Portugal). Bull. Soc. Geol. Portugal 1 1 ,1-58...fluorapatite 0degarden, Bamle, Norway white chlorapatite Snarum, Norway white chlorapatite Jumilla, Spain...10I (top left) Chlorapatite (white) from Snarum, Norway. The crystal is 2.2 cm wide (Smithsonian #R5226)...parisite crystals found at Pyrites, Montana. The occurrence was described by Penfield and War ren in 1899 |  | | Journal (volume) | | complex consists mainly of garnet gneis ses, garnet-cordierite gneis ses, and hypersthene-plagiodase rocks....stage. On the other hand, the anatectic garnet-cordierite gneisses in the northeastern part of the granulite...gneisses are characterized by the widespread occurrence of garnet, hornblende and clinopyroxene. Adjacent...anatexites often characterized by the occurrence of cordierite. Contrary to the granulitic gneisses of...the platy quartz textures vanish. The garnet-cordierite gneis ses contain as accessories zircon, monazite |  | | Journal (article/letter/editorial) | | metamorphic laminae of sillimanite, corundum and cordierite. All this sequence is coexistent with deformed...WNW–ESE directed regional trend (Figs 2 & 3). Phlogopite and forsterite are common as porphyroblasts....and discordant pegmatoid or aplitic dykes. The occurrence of the vein-like pegmatoid is extremely variable...the rock-forming minerals in the SMC. Neither cordierite nor kyanite was observed in this area of the...muscovite, the abundance of sillimanite, the occurrence of hercynite, as well as the relics of orthopyroxene |  | | Book (edition) | | have been deleted. In Chapter 7 the properties, occurrence, and uses of about described. Of the more ...noncrystalline like minerals in chemistry and occurrence. These mineral-like substances, called mineraloids...processes means that a mineral must be of natural occurrence; human beings cannot have taken part in its formation...six-pointed star viewed through certain types of phlogopite mica parallel to the 3-fold source of light...Asterism in phlogopite. corundum the inclusions are oriented by the hexagonal structure; in phlogopite by the |  | | Book (edition) | | along cleavage planes. Fig 178. Asterism in Phlogopite. Asterism Some minerals show a peculiar starlike...of light In is viewed through certain types of phlogopite mica (Fig. 178). both cases this phenomenon is...also given. Occurrence. The type species for which complete it is of geologic occurrence is given...nature has been performing this crushing and Occurrence. continents. washing process for are disintegrated...Channarcillo, Chile. Native Fig. 192. Kongsberg, Norway. Silver. in some and more frequently in arborescent |  | | Report (issue) | | Chitradurga districts Karnataka 255 9A.21 Gold Occurrence in Chitradurga districts Karnataka 256 9A.22...Kanara district, Karnataka 271 9A.25 Iron ore occurrence in banded iron formation in North Kanara district...Chitradurga Districts,Karnataka 275 9A.30 Iron ore occurrence in Dasudi, Guruvapura, Vajrapura and Karekurchi...Kanara districts, Karnataka. 284 9A.34 Iron ore occurrence in Chikmagalur and South Kanara districts, Karnataka...ore deposit in Goa area 286 9A.36 Iron ore occurrence in Goa 286 9A.37 Iron ore deposit in Raichur |  | | Journal (issue) | | Sugilite, Sugilite, A A Second Second Dunn, Occurrence: Wessels Wessels Mine, Mine, Kalahari Kalahari...Kalahari Manganese Manganese Field, Occurrence: Republic Republic of of South South Africa. Africa. Canadian...41-52. Shigley, J.E., Koivula, C.W, 1987. The The Occurrence Koivula, J.I., Fryer, Fryer, C.W., And Gemological...that all these names refer to one and the same occurrence. The spelling of several mines also varies in...belt, Kazmi & Snee (1989) mention an isolated occurrence in the Valle Andalucia (240 km WSW of Bogota) |  | | Report (issue) | | pine forest of 300 years ago is exposed. This occurrence is an absolute indicator of relative sea level...Precambrian age, and represent the southeasternmost occurrence of American continental basement anywhere in...accompanying lowering of the water table. Regional Occurrence of Groundwaler Chapters 5 and 6 outline the...·l:··~· . '.:6 ....0. .. Bedrock Figure 12. Occurrence ofgroundwater in fractured rock. (After Newport...Investigations 24. 21. Woodruff, K. D. 1969. The occurrence of saline ground water in Delaware aquifers. |
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