 | | Report (issue) | | ___________________________________ Beryllium in hot-spring deposits._____________ Association of beryllium..._________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____... Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten depositNorth workings...naine________________ Mine near Green Talc mine. _____ Nye County ____ _._-___-________-___ Gabbs area __ _____________________..._____ Brucite and magnesite deposits. __ Pershing County __ Rocks in the West Humboldt Range ..~ Limerick |  | | Journal (article/letter/editorial) | | material set free during the alteration of the eudialyte of the nepheline syenites. Neptunite in macroscopie...altered eudialyte. The neptunite was probably formed during hydrothermal alteration of the eudialyte. A...also with eudialyte in lujavrite. It is interpreted as a secondary mineral after eudialyte. Epistolite...examination of igalikite was carried out in the spring of 1953 by one of the writers (H.S.). The result...confirmed by a more thorough examination in the spring of 1956. An X-ray powder diagram of the aphanitie |  | | Journal (article/letter/editorial) | | lujavrite. These rocks are often rich in sodalite and eudialyte. The marginal borders of the batholith are transgressive...foyaite contains in addition: sodalite, olivine, eudialyte, apatite and iron ore. The ægirine augite may... nepheline, sodalite, arfvedsonite, ægirine, eudialyte, biotite, and ægirine augite. The rock is rieh...rare elements, in addition to the sodalite and eudialyte mentioned above, there are rinkite, lithium mica...crystallization is, according to USSli\G, feldspar, eudialyte, nepheline, ægirine, and arfvedsonite. The sodalite |  | | Journal (article/letter/editorial) | | Ilimaussaq . . . . . . . . . . . . . . . . 9 Eudialyte 9 Lovozerite. . . . . . . . . . . . . . . . ....the later lujavrite and hydrothermal veins. The eudialyte is very weakly radioactive in the naujaite, naujaite...nepheline syenites of the complex. The altered eudialyte may be strongly radioactive. The radioactivities...rinkite are of the size of order of that of the eudialyte of the lujavrite. Isotropic parts of the grains...radioactivity is caused by the weakly radioactive eudialyte (see p. 9) and by small not-identified inclusions |  | | Journal (issue) | | lujavrite. These rocks are often rich in sodalile and eudialyte. The marginal borders of the batholith are transgressive...foyaite contains in addition: sodalite, olivine, eudialyte, apatite and iron ore. The regirine augite may...nepheline, sodalite, arfvedsonite, regirine, eudialyte, biotite, and regirine augite. The rock is rich...rare elements, in additi9n to the sodalite and eudialyte mentioned above, there are rinkite, lithium mica...crystallization is, according to UssING, feldspar, eudialyte, nepheline, regirine, and arfvedsonite. The sodalite |  | Gerasimovsky, V. I., Volkov, V. P., Kogarko, L. N., Polyakov, A. I., Saprykina, T. V., Balashov, Yu. A. (1968) Geochemistry of the Lovozero Alkaline Massif Vol. 2. Australian National University Press, Canberra. | Book (volume) | | III C-7 || Mesocratic eudialyte lujavrite” - - 37 C-6 || Leucocratic eudialyte lujavrite - - 25 From...syenites < 1 III 18 Leucocratic eudialyte lujavrites 30 Mesocratic eudialyte lujavrites 62 Feldspar porphyroid...50] 9.94 || 7.35| 4.23-5.31 || 4.88| 4.05 5 III Eudialyte lujavrites 8.87-10.66|| 9.58|| 7.09| 1.86-5.28|4...minerals of variable composition (eudialyte, loparite and rinkolite). In eudialyte, according to E.W. Kostetskaya...8 Aenigmatite - 6.58 || 4.87 I - 0.62 |0.52 I Eudialyte 11. 16-15.82 || 13.46 || 9.99 10 0.31-1. 19 0 |  | | Journal (article/letter/editorial) | | ........................................ The pegmatite on the south coast of the island. . . . . . .... . . . . . . . . . . . . .. The pegmatite on the east coast of the island. . . . . . . . . . . . . ....22 23 24 III. The Head of Kangerdluarssuk The pegmatite " The thin veins nos. 1 and 2 . . . . . . . ..... . . . . . . . . . .. The alteration of the eudialyte Steenstrupine in lujavrite Steenstrupine in the...lujavrite. The lujavrite and naujaite are rich in eudialyte; this mineral is rare in the steenstrupine-bearing |  | | Journal (issue) | | . . . . . . . . . . . . . . . . . . . . The pegmatite on the south coast of t he island . . . . . .... . . . . . . . . . . . . . . . The pegmatite on the east coast of the island . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . The pegmatite............... . .... ... . ... . . .. ......... . . . . . . . . . . . The alteration of the eudialyte . . . . . . . . . . . . . . . . . . . . . . ....lujavrite. The lujavrite and naujaite are rich in eudialyte; this mineral is rare in the steenstrupine-bearing |  | Sørensen, H., Bailey, J.C., Kogarko, L.N., Rose-Hansen, J., Karup-Møller, S. (2003) Spheroidal structures in arfvedsonite lujavrite, Ilı́maussaq alkaline complex, South Greenland—an example of macro-scale liquid immiscibility. Lithos, 70 (1) 1-20 doi:10.1016/s0024-4937(03)00086-0 | Journal (article/letter/editorial) | | microcline (often as coexisting separate grains), eudialyte, arfvedsonite and minor aegirine. Many arfvedsonite...aegirine and can be rimmed by brown aegirine. The eudialyte crystals are commonly altered into catapleiite...prismatic arfvedsonite crystals and subordinate platy eudialyte crystals wrapping around slightly larger crystals...core contain the same accessory minerals. The eudialyte of the host lujavrite, rims and cores is generally...increased weight fraction of heavy arfvedsonite and eudialyte within the low density analcime-rich cores. The |  | | Journal (issue) | | . . . . . . . . . . . . . . . . . . . . (i) Eudialyte-eucolite. . . . . . . . . . . . . . . . . . ....astrophyllite (analysed); låvenite (analysed); eudialyte-eucolite (analysed); catapleiite (analysed); hiortdahlite;...identity was established mainly bytesting with a hand magnet during the mineral separations. Both ilmenite and...CaO includes SrO, 0.05) . B . Astrophyllite, pegmatite, Mount Rosa a rea, Colorado (G Ross a nd H EINRI...(includes P 2O5 , 0.06). D . As trophyllite, pegmatite, Kola (SEMEN ov, 1959) . Anal. C. H . F EDORC |  | | Journal (article/letter/editorial) | | MS 963, Denver Federal Center, Denver, CO 80225, USA 2 Geological Survey of Finland, SF-02150 Espoo, Finland...rock, zircon - ZrSiO4, baddeleyite - ZrO2 or eudialyte - (Na, Ca, Fe)6Zr[(Si309)z](OH,F,CI). Baddeleyite...diabase dike where it is more abundant than zircon. Eudialyte is a mineral which occurs only in some nepheline...craton (Peterman 1979, reviews the Archean of the USA). Peterman and Hildreth (1978) have described the...Non-orogenic basaltic and alkaline intrusions 30,100 Eudialyte syenite A562 Coarse diabase A732 Mafic pegmatoid |
|
