 | | Report (issue) | | om sjön Långban, i det att de förra äro relativt rika på CaO, de senare däremot utpräglat alkalina. Inom...till leptitkomplexens övre etage och äro på CaO rika kalileptiter (»kali-kalkleptiter»). De endast strukturellt...genom hög manganhalt. Dessutom ingå här mineral rika på bly, arsenik, antimon och barium, varigenom manganskarnet...för övrigt från kalkmalmer över CaO-rika skarn malmer till MgO-rika sådana, karakteriserade av antofyllit...belägna Kyllskullsgruvorna att beteckna som CaO-rika skarnmalmer, under det att de mellan L. Horrsjön |  | | Journal (article/letter/editorial) | | using method using a glass vial SVG-5 (Nichiden-Rika Glass) for gas-chromatography (Figure 3b). First...solution of gas-tight glass vial SVG-5 (Nichiden-Rika Glass) for gas-chromatography (Figure 3b). First...placed into a gas-tight glass vial SVG-5 (Nichiden-Rika Glass) and quickly sealed with an oxygen absorber...was mounted in a specially designed, anaerobic quartz capillary deoxygenated sample was placed into a...a gas-tight glass vial SVG-5 (Nichiden-Rika Glass) and containing mother liquor (4.73 M NH 4 , 2.13 M |  | | Report (issue) | | östra, på gråvackeartade och kvartsitiska skikt rika och med dacitiska lavor och tuffer uppblan dade...gråvackeartade och kvartsitiska skikten föra plagioklaser rika på anortit, och tvenne analyser visa CaO-halter...dessa genomgående vara fattiga på plagioklas och rika på mikroklin. Mikroklinerna äro mycket ojämnt men...dylika på biotit och speciella aluminiummineral rika bergarter i samband med pegmatitiseringsprocessen...partier av skarnjärnmalmer, karakteriserade av CaO-rika mineral (andradit, pyroxen, strålsten och hornblände) |  | | Journal (article/letter/editorial) | | shield. HZF: Halaban-Zarghat fault zone; ARF: Ar Rika fault zone; RF: Ruwah fault zone. Inset shows the...faults: HZF: Halaban-Zarghat fault zone; ARF: Ar Rika fault zone; RF: Ruwah fault zone. Inset shows principal...angular grains of volcanic rock, feldspar, quartz, and feldspar-quartz aggregates in a matrix of epidote, chlorite...of sinistral shear on the Halaban-Zarghat and Ar Rika faults, using the contacts of the Bani Ghayy and...a period of ductile shearing on the adjacent Ar Rika fault zone, one of the many northwest-trending sinistral |  | TANIDA, KATSUTOSHI, KITAMURA, TSUYOSHI, NAMBU, MATSUO, KATO, EIICHI (1982) Hydrohetaerolite from Maruyama mine, Hokkaido, Japan. The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 77 (8) 284-289 doi:10.2465/ganko1941.77.284 | Journal (article/letter/editorial) | | Geol. 77, 284-289, 1982 Hydrohetaerolite from mine, Hokkaido, Maruyama Japan KATSUTOSHITANIDA and...Technology,Tokyo Rika University, Yamazaki, Higashi-kameyama, Noda 278, Japan EIICHI KATO Jokoku Mine, Chugai...oxidation zone of Maruyama copper-lead-zinc-manganese mine, southwestern Hokkaido. This is the second occurrence...Occurrence (McAndrew). hydrohetaerolite (Kato, Kawazu mine 1973). data , How have not the study been...course received May yama copper-lead-zinc manganese mine, Southwestern Hokkaido. The mineral was identified |  | | Report (chapter) | | metamorphosed but strongly cataclasized diorite, quartz diorite, tonalite, sodic granodiorite, and subordinate...(half arrows) and shortening (large arrows). Ar Rika-Qazaz Shear Zone system (bold) is the main trans-Arabian...Anticlinorium) intruded into steeply dipping kyanite--quartz schist and subvertical zones of mylonite and ultramylonite...ultramylonite at the southeastern end of the Ar Rika-Qazaz Shear System, the main trans-Arabian Shield...between left-stepping faults along the sinistral Ar Rika Fault Zone. On the presumption that the A1 Khushaymiyah |  | | Journal (article/letter/editorial) | | metamorphosed but strongly cataclased diorite, quartz diorite, tonalite, sodic granodiorite, and subordinate...offset by faults of the Najd-fault system (the Ar Rika and Halaban-Zarghat fault zones; Figs. 1 and 2)...faults of the Najd-fault system similar to the Ar Rika and Halaban-Zarghat fault zones shown in Figs. 1...is poorly exposed. Small plutons of hornblende quartz diorite intrude the fault zone in the Bi’r Tuluhah...the fault zone is intruded by a pluton of 710 Ma quartz diorite approximately dated by the U–Pb zircon |  | | Report (chapter) | | accompanying Red Sea rifting. Major Najd-related faults Ar-Rika and Ruwah Shear Zones The NFS consists of several...major strands of linked faults (Fig. 3). The Ar-Rika and Ruwah Shear Zones are located to the SW of the...Ar-Rika Fault Zone is a brittle-ductile shear zone with a sharp fault boundary on the SW (Ar-Rika Fault)...NAJD FAULTSYSTEM, SAUDIARABIA basins along the A1-Rika-An Nakhil-Wajiyah Fault Zone parallel to the HZFZ...area (Delfour 1983) along the Wajiyah-An-Nakhil-Ar-Rika Fault Zone (Johnson 1997). It is located between |  | | Journal (issue) | | the Unificada mine, Potosi, Bolivia. Top right: Benitoite, 2 cm, from the Benitoite Gem mine, California...N‘Chwaning I mine, Kuruman, South Africa. Bottom right: Mimetite, 2.7 cm, from the Tsumeb mine, Namibia....Record: (1) Stephanite, Husky mine, Canada. (2) Wulfenite, Rowley mine, Arizona. (3) Diaspore twin, Pinarcik...Adelaide mine, Tasmania. (5) Andradite, Antetezambato, Madagascar. (6) Calcite, Mashamba West mine, Congo...Afghanistan. (8) Scorodite, Tsumeb mine, Namibia. (9) Shigaite, N’Chwaning II mine, South Africa. v This special |  | | Report (issue) | | ......................................... 26 Ar Rika formation, >700 Ma ...............................Samran group: subvertical dipping Nida formation quartz-feldspar metasandstone, with a moderately northeast............................................ 26 Ar Rika formation, >700 Ma ...............................Samran group: subvertical dipping Nida formation quartz-feldspar metasandstone, with a moderately northeast...~695 Hinshan formation ?? Amlas formation ?? Ar Rika formation >700 Furayh group ?? Zaytah formation |  | | Journal (volume) | | numera uppställd i Ädelfors och tillhör formellt Vetlanda kommun och deras museum. Bild 2. Omslaget till...södra och centrala Europa under 1500-talet då främst rika handelsfamiljer och furstar, kunde avsätta tid och...spred sig denna sysselsättning under 1600-talet hos rika familjer och enstaka forskare inom universitetsvärlden...motstycke i världen. Detta hänger samman med att nya rika malmkroppar påträffades löpande under 1910- och...locality of trimerite outside the Filipstad area, Sweden, and the material from Saga differs from the Swedish |  | | Report (issue) | | showing radon potential of rocks and soils in Fairfax County, Virginia. Reston, Va. : U.S. Geological Survey...radon potential of rocks and soils in Montgomery County, Maryland. Reston, Va. : U.S. Geological Survey...map of the Yellowtail Dam quadrangle, Big Horn County, Montana. Reston, Va. : U.S. Geological Survey...resources of the Borah Peak study area, Custer County, Idaho. Spokane, Wash. : Western Field Operations...Newell. Geologic map of the Judith Mountains, Fergus County, Montana. Res ton, Va. : U.S. Geological Survey | | | Journal (article/letter/editorial) | | other minerals, such as plagioclase, K-feldspar and quartz, since crystallographic structure of biotite is...diffraction HB, patterns Hydrobiotite; and quartz grains ible, and also plagioclase of biotite...3.0 biotite to kaolinite. a similar present (Rika 5.3. goethite and the According flakes from...Res., 26, 17-31. Chronological scientific tables (Rika nenpyo) (1992),National astronomical observatory |  | | Report (volume) | | Delfour, 1979. 11. Zalm; Agar, 1984, 1988. 12. Wadi ar Rika; Delfour, 1980. 13. Wadi al Mulayh; Manivit and...(Letalenet, 1979), Halaban (Delfour, 1979), and Wadi ar Rika (Delfour, 1980) 1:250,000-scale quadrangles, respectively...and forms the bulk of the Murdama. In the Wadi ar Rika quadrangle, Delfour ( 1980) described the Murdama...older basement consisting of gneissic diorite and quartz diorite adjacent to the Murdama and granite and...farther to the east. Also present are amphibolite, quartz diorite gneiss, schist, and marble mapped as Ajal |  | | Report (issue) | | and composed of poorly sorted angular grains of quartz, plagioclase, and silicic volcanic rock fragments...(Letalenet, 1979), Halaban (Delfour, 1979), and Wadi ar Rika (Delfour, 1980) quadrangles. Geologiques et Minieres...(Pettijohn, 1975, p. 29). Mineral grains, mostly quartz and feldspar, commonly have a smaller upper limit...same rocks and minerals, though proportions vary. Quartz and plagioclase commonly range from 5 to 30 percent...are andesite. Rare grains show intergrowths of quartz and potassium feldspar and thus are granite. One |  | | Show/Event (guide) | | built by the University of Arizona in the Old Pima County Courthouse...including the best wulfenites owned...Training "A Tale of Two Mine Dumps.The Artisanal Gem Miners" North Star Mine, Mammoth, By Robert Weldon...Tintic District, J u a b 1:00 pm - 2:00 pm (MMR) County, Utah." By Brent Thorne Saturday, February 16th...noon (GMR) "The Magnificent Microminerals Hidalgo County, New Mexico." By Bob Walstrom "Origin of Precious...Meeting Rooms 2:00 pm - 3:00 pm (GMR) "The Red Cloud Mine — 9:30 am - 10:00 am (MMR) Arizona's World-Renowned |  | | Journal (article/letter/editorial) | | zone (Fig. 3), where no less than nine ancient gold mine sites or gold occurrences occur within ultramafic...Farawah, Silib and As Sakhin comprise north striking quartz-carbonate veins and enechelon veins varying from...and was extracted mainly by panning of crushed quartz and host rock (Vaslet et al., 1983). The Nabitah...mineralisation. All are hosted in chlorite-sericite-quartz R.A. AGAR schists derived by hydrothermal alteration...formations comprise mainly hematite, magnetite and quartz with minor chlorite, calcite and apatite. The main |  | | Journal (article/letter/editorial) | | Precipitate Aggregates Downstream of an Abandoned Mine Site Mitsuo Manaka Geological Survey of Japan, National...forming downstream of abandoned and/or uncontrolled mine sites generally act as scavengers for heavy metals...aggregates downstream of Ayuta, an abandoned antimony mine site in Tochigi Prefecture, Japan, because its morphology...Precipitate Aggregates Downstream of an Abandoned Mine Site. Minerals 2021, 11, 32. 1. Introduction https://doi...occur downstream of abandoned and/or uncontrolled mine sites. Precipitates occur on river sediments [1–4] |  | | Journal (article/letter/editorial) | | and KIYOAKI IZAWA Department of Chemistry, Tokyo Rika University, Tokyo 162, Japan (ReceivedSeptember...REx and GOLDBERG(1958) explained a band of high quartz concentration across the North Pacific in terms... 155-170. REX, R. W. and GOLDBERG,E. D. (1958) Quartz contents of pelagic sediments of the Pacific Ocean |  | | Journal (issue) | | Society, supported gem and mineral shows around the county as a museum exhibitor and speaker, and served on... | w w w. FineMineral.com Tourmaline Cruzeiro Mine, Brazil. 19.5 cm Fine Minerals International proudly...greenmountainminerals.com BA R I T E 12 X 8” Parkside Mine, Frizington Copeland, Cumbria, England, UK Photo...lustrous, prismatic crystals of epidote, excellent quartz, idiomorphic albite, tourmaline, morganite and...eluvium has a matrix of fine to medium-grained quartz and ferruginous soil. Above, there is a colluvium |  | | Journal (article/letter/editorial) | | Other Late Proterozoic rocks Najd faults 0 Ar Rika faults Qazaz faults 40° 200 400 km 45° Growth...where they offset deformed ophiolitic zones. The Ar Rika and Qazaz shear zones are after Johnson & Woldehaimanot...E-W-striking extensional veins in the El Sid gold mine and in the Meatiq metamorphic core complex, molasse...between <640 and 620 Ma (Cole & Hedge 1986); the Ar Rika-Qazaz Shear Zone (Fig. 1) was strongly active c...lower crustal conditions. However, the variation in quartz c-axes patterns within the Pan-African Orogen in |  | | Journal (issue) | | by W. E. Wilson The Hallelujah Junction scepter quartz deposit, Petersen Mountain, Nevada ..............by C. J. Stefano Giroux Point, the Bagdad mine, Yavapai County, Arizona .....................................................................297 COVER: QUARTZ SCEPTER, 29.7 cm, from the Hallelujah Junction...recovered by a miner from the 2800 level of the mine. The miner called the acicular mineral “red copper...the type locality, the 2800 Level of the Tsumeb mine in Namibia—probably the finest specimen of the species |  | | Journal (article/letter/editorial) | | equipped an HU-21 with an FLA-1000 graphite and a Rika furnace, Deki R-032 thermal an AS-301 recorder...S, Sandstone; M, Mudstone; BS, Black shale; QV, Quartz vein; PY, Pyrite. The Fe content was measured by |  | | Journal (article/letter/editorial) | | som sfiirolitbildningar, ntitkrarts (reticulating quartz) och flnidala fenomen iiro ofta tydligt iakttsgbara...hgglolncratislia bildningar, delvis mycliet grofva och rika pi% kvartsporfyriska brottstycken, mestadels bldsrilia...pi%griifre korn af fiiltspat och h a r t s mycket rika . 31--100100. G. F. F., 1PlG. Downloaded by |  | Johnson, Peter, Halverson, Galen, Kusky, Timothy, Stern, Robert, Pease, Victoria (2013) Volcanosedimentary Basins in the Arabian-Nubian Shield: Markers of Repeated Exhumation and Denudation in a Neoproterozoic Accretionary Orogen. Geosciences, 3 (3) 389-445 doi:10.3390/geosciences3030389 | Journal (article/letter/editorial) | | Facility, Stockholm University, Stockholm SE-106 91, Sweden; E-Mail: vicky.pease@geo.su.se * Author to whom...Thickness Metamorphism Tectonic setting/basin type Quartz-biotite schist, actinolitebiotite schist, quartzofeldspathic...granofels, amphibolite, minor marble. Protoliths: quartz-rich to arkosic sandstone, mafic volcanic rocks...southern shield [16] for a sequence of high-grade quartz-biotite-garnet schist interlayered with amphibolite...(Figure 4A,B) quartz-biotite schist, actinolite-biotite schist, actinolite-biotite-quartz-feldspar schist |
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