| | Journal (article/letter/editorial) | REE, U, Th, B, P, Mo, feldspar, feldspathoids (scapolite), alumosilicates, and graphite (Guilbert and Park...the same author as greywacke-quartzite gneiss. Steiner (1986) treated them as a felsic mobilizate and...1960; Forster 1965; Forster and Kummer, 1974; Steiner, 1986). The origin of some more basic enclaves...campaigns (Table 3). In the Bohemian Massif of Austria, a W mineralization bound to calcsilicate rocks...scheelite mineralization in lithotype 2. In the quarry “Oberbaumühle” near Windischeschenbach, macroscopic | | | Report (issue) | Nicholas B. Kidd, David S. Snipes, and Jeffrey C. Steiner,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,37 An...onto Quarry Road. Go 1.0 miles (8.7) and turn left into STOP 1 (Vulcan Materials Pacolet Quarry). Turn...Turn right out of quarry and go 1.0 (9.7) miles to US 176. Turn left onto US 176. Go 8.1 (17.8) miles and...walk west about 100 m into old quarry STOP 2 (Hyder Bald Rock Quarry). Drive 0.4 (28.5) back out and...emplacement of the Pacolet granite. David Cosh the quarry foreman suggested that the frequency of veining | | | Report (issue) | and W. A. Watters DSIR Geology and Geophysics, Lower Hutt Regretfully, an incorrect initial for Mr Railton...title page. His initials should be G.T., not G.L. Lower Hutt, New Zealand 1990 I I Beach sand, alluvium...may be unfamiliar with chemistry, an Survey) in Lower Hutt. They may also be consulted explanation of...various stages of the draft, and PO Box 30-368, Lower Hutt. J.G. Gregory for his advice and encouragement...Crystals in quartz vein cutting gneiss (visible on lower edge of specimen), Gertrude Saddle, Fiordland. (20 | | | Journal (article/letter/editorial) | °C); (2) orthopyroxene–pargasite–plagioclase–scapolite coronas replacing orthopyroxene (15±1.5 kbar,... also follows from available age data (Hahn & Steiner, 1990; Goscombe et al., 1997; Vinyu et al., 1997;...zones (Fig. 2). One such highstrain zone marks the lower boundary of the Makuti gneisses. (3) Within low-strain...smaller elongated ovoid aggregates of intergrown scapolite–orthopyroxene–hornblende–plagioclase (replaced...garnet coronas that ring the clinopyroxene and scapolite– orthopyroxene–hornblende–plagioclase domains; | | | Journal (issue) | of Emerald Mining in the Habachtal Deposit of Austria, Part II Karl Schmetzer The finale of a two-part...Vietnam • Davemaoite inclusion in diamond from the lower mantle • Natural near-colorless type IIb diamond...discovery of davemaoite in a diamond from the earth’s lower mantle. This issue also includes the debut of an...Baumann and Gorny, 1964). This is known because a lower level of the Schneckenstein breccia was drilled...tallest crystal is 18 mm). The two colorless samples (lower left) were initially yellow and became bleached | | | Journal (article/letter/editorial) | combining the commodity (lines) shown by numbers plus lower caps with the host rocks or structure (columns)...Margarite Marialite scapolite Mariposite Martite Matildite Maucherite Meionite scapolite Melanterite Meneghinite...Sarabauite Sassolite Sauconite Scandiobabingtonite Scapolite Schachnerite Schapachite Scheelite Schoepite Schwatzite...places. Aggregates, sand and gravel are followed by quarry and dimension stones (Prentice, 1990; Lorenz, 1991)...vapor-derived fluid) of any composition with a density lower than its critical density are involved in the formation | | | Journal (article/letter/editorial) | combining the commodity (lines) shown by numbers plus lower caps with the host rocks or structure (columns)...Margarite Marialite scapolite Mariposite Martite Matildite Maucherite Meionite scapolite Melanterite Meneghinite...Sarabauite Sassolite Sauconite Scandiobabingtonite Scapolite Schachnerite Schapachite Scheelite Schoepite Schwatzite...places. Aggregates, sand and gravel are followed by quarry and dimension stones (Prentice, 1990; Lorenz, 1991)...vapor-derived fluid) of any composition with a density lower than its critical density are involved in the formation | | Melcher, F., Prochaska, W., Raith, J., Thalhammer, O., Mali, H., AlHakim, A., Altenberger, F., Berger, M., Grafinger, S., Hampl, F., Lamprecht, C., Layr, K., Pupp, M., Steiner, T. (2018) Mineral deposits of Lapland: excursion guide of the Montanuniversität Leoben. Mitteilungen der Österreichischen Mineralogischen Gesellschaft, 164. | Journal (article/letter/editorial) | Lamprecht, Katrin Layr, Magdalena Pupp, Timotheus Steiner Department of Applied Geosciences and Geophysics...be derived from the roof of the magma chamber. lower amphibolite facies. Stop 2 65.59502°N 26.48201°E...preserved pillows which were only metamorphosed in the lower greenschist Figure 4: Pillow basalt of the Archean...layered intrusion within the Portimo metallogenic district (PGR, Cr, Ni) that is divided into the Tornio...The Svecokarelian orogeny (1.9-1.8 Ga) led to a lower-amphibolite facies metamorphism. Today there is | | | Journal (article/letter/editorial) | Province, South Africa Mirjam Schaller a, Oliver Steiner a, Ivan Studer a, Lorenz Holzer a,1, Marco Herwegh...(SMZ ). The two marginal zones are regarded as lower crustal highgrade equivalents of the adjacent cratons...deep structure of the Limpopo Belt is shown in the lower part of Fig. 3, which represents the main reflectors...southward dipping zone of reflectors continuing to lower crustal depth. In contrast, ‘‘the southern boundary...generally more intense (ultramylonites) and occurred at lower grade. This transition zone is intruded by late | | | Journal (article/letter/editorial) | Sedimentology, University of Vienna, A-1090 Vienna, Austria d Géosciences, University of Montpellier 2, UMR5243...Delaloye and Bingöl, 2000), Selale (Beccaletto and Steiner, 2005), Karabiga (Delaloye and Bingöl, 2000; Beccaletto...1991; Okay and Satır, 2000a,b; Beccaletto and Steiner, 2005). The Kazdağ Massif consists of a high-grade...granitoids, where the metamorphic grade reaches lower greenschist-facies in the metabasic rocks. The geodynamic...Amphibolitefacies gneissic mylonites in structurally lower levels at the base of the shear zone display high-temperature | | | Journal (article/letter/editorial) | the Valley of Ten Thousand Smokes in the Katmai district of Alaska, showed that HCl and HP are emitted...a mean value of 429 ppm Cl which is apparently lower than that for nepheline syenites. However, since...a value somewhat lower than that given by BEHNE (154 ppm, Cl), and considerably lower than that compiled...re-bound in chlorine-bearing minerals such as scapolite and amphibole, as in calcareous gneiss and mica...summarized in Table 6 are based on analyses taken from STEINER (1952), KURODA and SANDELL (1953), BOYLE (1961) | | Hargrove, Ulysses S, Hanson, Richard E, Martin, Mark W, Blenkinsop, Thomas G, Bowring, Samuel A, Walker, Nicholas, Munyanyiwa, Hubert (2003) Tectonic evolution of the Zambezi orogenic belt: geochronological, structural, and petrological constraints from northern Zimbabwe. Precambrian Research, 123 (2) 159-186 doi:10.1016/s0301-9268(03)00066-4 | Journal (article/letter/editorial) | tectonically overlain by rocks exhumed from the lower crust. An extensive felsic gneiss with A-type geochemical...ca. 1830 Ma. Polydeformed orthogneisses in the lower part of the thrust stack were derived from granitoid...al., 1990a,b; Fey and Broderick, 1990; Hahn and Steiner, 1990; Hahn et al., 1991). Extensive exposures...submitted for publication). Pelitic schists in the lower U.S. Hargrove et al. / Precambrian Research 123...fault block (Fig. 3) include marbles, quartz–scapolite–diopside granofels, and pelitic schists. These | | | Journal (issue) | mineral localities: Minerals of the Kaokoveld District, Kunene Region, Namibia ........................Bowell, 0. Ermolina, W van der Plas, J. van Us & M. Steiner The best zincite crystals from Franklin, New Jersey...sprays on shattuckite, 7.1 cm, from the Kaokoveld District, Kunene Region, Namibia. Irv Brown specimen; Jeff...Huamin Empire Plaza 726 Yan An Shi Road Changning District, Shanghai City China 200050 Email: chen@irocks...KAOKOVELD DISTRICT Robert J. Bowell ' Olga Ermolina 2 Wim van der Plas 3 Jesper van Us 3 Marius Steiner 4 The | | | Book | adjoining tetrahedra. In the feldspar, feldspathoid, scapolite, and zeolite groups, aluminum ions AI+3 substitute...Morozewicz Graham Schaller Sakurai and Hayashi Steiner Hurlbut KambandOke Walker Galli, Passaglia, Pongiluppi...volcanic ash and larger pyroclastic material on the land surface; in freshwater lakes; shallow marine seas;...different processes depending on whether it fell on the land surface, freshwater lake, or shallow sea; into a...a saline, alkaline lake; or into the ocean. LAND SURFACES Zeolites can form as the result of meteoric | | | Book | adjoining tetrahedra. In the feldspar, feldspathoid, scapolite, and zeolite groups, aluminum ions AI+3 substitute...Morozewicz Graham Schaller Sakurai and Hayashi Steiner Hurlbut KambandOke Walker Galli, Passaglia, Pongiluppi...volcanic ash and larger pyroclastic material on the land surface; in freshwater lakes; shallow marine seas;...different processes depending on whether it fell on the land surface, freshwater lake, or shallow sea; into a...a saline, alkaline lake; or into the ocean. LAND SURFACES Zeolites can form as the result of meteoric | | | Journal (issue) | and a History of Emerald Mining in Habachtal, Austria Duncan Pay FEATURE ARTICLES p. 300 292 Blue...of Emerald Mining in the Habachtal Deposit of Austria, Part I p. 347 Karl Schmetzer Contributes to...and a History of Emerald Mining in Habachtal, Austria Welcome to the Winter 2021 issue of Gems & Gemology...Subcontinent, and China. From 200 BCE to 800 CE, the land was controlled by a group of city-states, often...and Kabaing. The large secondary deposits in the lower parts of the valleys once held 296 BLUE SAPPHIRES | | | Journal (issue) | kyanite, komerupine, rhodolite, ruby, sapphire, scapolite, tourmaline and zoisite. Optical observations...the Dodoma area, 17,18 and 19 from the Lelatema District and 2,9 and 11 from the Pare and Usambara Mountains...gneisses (granulite facies) of Tertiary age, and lower grade metamorphic rocks (amphibolite © Gemmological...effect. 30x. Fig. 9. Sample 13. In a yellowish scapolite, 45% Me content, from Dodoma (Tanzania), the filled...cross this brownish-yellow zoisite from Lelatema District (Tanzania). 30x. Gemmological and analytical | | | Book | Yugawaralite: Sakurai and Hayashi (1952) Wairakite: Steiner (1955) Bikitaite: Hurlbut (1957) Garronite: Walker...coefficient is 2.00 (if the sharing coefficient is lower, one should consider a mixed 3- and 4-connected...each repeat-unit of the chain (Fig. 0.2B), two lower at 3/8 c from the lowest node (at 0/8c), and two...the same height, or the second is 2/8 c higher or lower. On the hypothesis that only one connection scheme...known minerals (the three above-mentioned, plus scapolite, a feldspathoid) and 41 are hypothetical. 0.3 | | | Report (issue) | , M. D.) L. D. Clark (1) p. 17. Inyo County: district, 2, As radial clusters near Lippincott mine...3, Watters (p.c. '58). Mendocino County: 1, A quarry 5.1 miles north of Longvale on U.S. 101 has furnished...riebeckite crystals occur in glaucophane schist in a quarry 5.1 miles north of Longvale on Highway 101, associated...found, after an aerial survey of the Mojave Mining district where an anomaly appeared in section 10. shaft...it aquamarine, has been colfrom the S. P. Silica quarry near Nuevo, Knowlton (p.c. '57). lected BETAFITE | | | Book (volume) | Helvite, Danalite, Genthelvite CANCRINITE.310 SCAPOLITE.321 ANALCITE.338 ZEOLITE GROUP.351 Natrolite,...are monoclinic and are called sanidines, while a lower temperature mono¬ clinic potassium felspar is called...sanidine cryptoperthites and sanidines. In the lower temperature series, low-albite-orthoclase and low-albitemicrocline...microclines were partially converted to sanidine at much lower temperatures, and the amount of sanidine produced...ordering could only be attained by transition to lower symmetry. In the triclinic case maximum disorder | | | Journal (article/letter/editorial) | chains (orthoenstatiteand hornblende), framework (scapolite), and sheet (muscovite). Regular and perturbed...that many of the channels appear single chains; scapolite, which has a framework ularly shaped and even...1969).In most cases cordierites that formed at lower temperatures are more ordered, and have a higler... 2.t5 40.3 1.0 .3 t9 cP .1 otter Lake SCAPOLITE San Carlos HORNBLEIiDE .0r l:unbe! 'lased ...coincident with the electron beam. The insert in the lower corner of the figure shows four unit cells of idocraseon | | Cosi, M., De Bonis, A., Gosso, G., Hunziker, J., Martinotti, G., Moratto, S., Robert, J.P., Ruhlman, F. (1992) Late proterozoic thrust tectonics, high-pressure metamorphism and uranium mineralization in the Domes Area, Lufilian Arc, Northwestern Zambia. Precambrian Research, 58 (1) 215-240 doi:10.1016/0301-9268(92)90120-d | Journal (article/letter/editorial) | post-Kibaran cover sequence is subdivided into the Lower Roan Group consisting of well-preserved quartzites...interlayered banded ironstones. The sediments of the Lower Roan Group are interpreted as continentalto lagoonal-evaporitic...into assemblages compatible with lower pressures and slightly lower temperatures. This stage occurs under...lithological or environmental associations. The Lower Roan Group comprises high Mgquartzites with widespread...MWASH A & K U N D . ~ ~ - *~ d / _ MAFICS LOWER ROAN , ~ P'ZZ ZI- -SYENITES r~--~--~_PRE.KATANGAN | | | Show/Event (guide) | Dunn. 4:30 B l u e wavellite from the De Linde quarry, Garland, County, Arkansas. S. L. Hanson, A. U...Marathon County, WI (Koss); the former Ladick East quarry (now Charneski Pit), Nine Mine Granite, Marathon...WI (Ladick); and Pegmatite #10 from the Waterloo Quarry near Waterloo, WI (Waterloo). Microprobe analyses...Additionally, samples from dike 1110, Waterloo Quarry show V203 contents of 1-1.5 wt %, whereas the others...Samples from dike #22 in Koss Pit and Charneski Pit quarry are P dominant, thus appear to be grayite. Conversely | | | Report (issue) | museums of the U.S., England, France, Germany, Austria, and Italy. Many folders have summaries of the... 138-143 (1980). Probe analysis from Noril'sk district. ALTAITE. Genkin et al., Sul'fidnye Medno-nikelevye...(1982). Microprobe analyses (1) from Schellgadener, Austria. ALTAITE. Timofeeva et al., Zap. Uzb. Otd. Vses...(1982). Microprobe analyses (1) from meta-syenites, Austria. AMPHIBOLE. Uudenko et al., (Zap. Vses. Mineral...97-110 (1980). Probe analyses (3) from W. Tauern, Austria (tremolite). AMPHIBOLE. Friend and Hughes, (Rep | | Orberger, Beate, Gallien, Jean-Paul, Pinti, Daniele L., Fialin, Michel, Daudin, Laurent, Gröcke, Darren R., Pasava, Jan (2005) Nitrogen and carbon partitioning in diagenetic and hydrothermal minerals from Paleozoic Black Shales, (Selwyn Basin, Yukon Territories, Canada) Chemical Geology, 218 (3) 249-264 doi:10.1016/j.chemgeo.2005.01.012 | Journal (article/letter/editorial) | homogeneously distributed nitrogen with amounts 10-fold lower than those measured in organic matter. A two-step...hematite (Fe); SrSiO3 (Si); apatite (P); CaF2 (F); scapolite (Cl). Two hundredfifty feldspar analyses were...distributed nitrogen and carbon, about 10 times lower than the amounts measured in the organic matter...(Table 2). Hydrothermal feldspars show significantly lower C/N atomic ratios (C/N=0.13–13; average is 1.1)...in northern Canada, by Lott et al. (1999) and Steiner et al. (2001) for the Yangtse platform in southeastern |
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