 | | Book | | underground collecting at L.\ngban [Sweden] 10:215-217 ADULARIA Adu Iaria from the Howard-Montgomery quarry, Howard...D. Richerson, A. J. Regis: New minerals from Mont St. Hilaire, Quebec 2: 141-142 AJO Famous mineral localities:...the Alpine ar,d Subalpine region [Switzerland,Austria and Iti:Jy](by C. M. Gramaccioli) 8:287-293 Minerals...10:85-89 Micromounting in the eastern Alps of Austria (by K. Kotal) 13:171-173 ALSTONITE An occurrence...Rybicki) 7:72-77 Chalcanthite from the Helvetia district, Arizona (by G. Robinson) 9:252 Cuprite [from |  | | Journal (article/letter/editorial) | | the world. Exceptional specimens from Mississippi Valley-type deposits, such as the famous Elmwood mine...now-closed mines of the Kentucky-Illinois fluorspar district, offer perhaps the best specimen per dollar of...base metals or more rarely uraninite; Mississippi Valley-type deposits where it is found with galena, sphalerite...includes wonderful rutile, anatase, brookite, adularia, sphene, epidote, fluorite, hematite, and essentially...they were during construction of the Druckschacht power plant in 1958. Again in 1964, outstanding pink fluorites |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...crystals of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]. Beginning...region of Alpine-type clefts along the Torrniq Valley produced small numbers of ilmenite specimens reminiscent...The thin-tabular ilmenite crystals of the Torrniq Valley also form spherical aggregates ("closed roses")...several centimeters diameter. However, many Torrniq Valley specimens labeled "ilmenite" prove upon testing |  | | Journal (article/letter/editorial) | | Iwojima is an island ~50 km south of the Nansatsu district that has been active volcanically for at least...is derived from magma degassing. The geothermal power stations in Japan (Fig. 1) are driven by high-pressure...dormant volcanoes (green circles). Large geothermal power developments (12–112 MWe) are noted with yellow...northwest-trending faults, which supply the Hatchobaru and Otake power stations (112 and 12.5 MWe, respectively; Shimada...discharge neutral-pH fluid, which is used for geothermal power generation. The shift to neutral-pH hydrothermal |  | | Journal (article/letter/editorial) | | silver deposits in the Southern Kamchatka ore district is considered in terms of a quantitative model...silver deposits of the Southern Kamchatka ore district (1). Panel b. Their spatial relationships with...aforementioned deposits of the Southern Kamchatka ore district: (1) Ores and wallrocks formed at depths from...system exploited by the Mutnovsky geothermal power station (Geothermal..., 2005). They are tectonoerosional...with calcite deposition, boiling of the brine, adularia appearance, etc. Ore minerals are sensitive to |  | | Report (issue) | | Greifenstein, Ehrenfriedersdorf, Saxony S. Gouverneur, St. Lawrence Co., New York, U.S.A.; 6. Renfrew, Ontario...apatite structure is complex and contains three district sites on which the cations sit. The calcium and...Fluorapatite "faden," 5.6 cm tall Alchori, Shigar Valley, Skardu District, Gilgit Baltistan, Pakistan John Rakovan...(longwave (UVA) light) 8.6 cm tall Bulache, Skardu District, Gilgit-Baltistan, Pakistan Jonathan Allred col...spectrum of Mn-rich fluorapatite from Eibenstein, Austria. Absorption is dominated by Mn5• on the tetrahedral |  | | Journal (issue) | | 1 -1« mjf «---w1» pg 1W--- —AM Collecting is a bad disease: I love it. It satisfies no normal needs:...in Ontonagon County at the southwest end of the district. The great native copper belt of Upper Michigan...conglomerate. The major lodes or mines in the district were designated as amygdaloidal or conglomerate...calcite, quartz, datolite, analcime, prehnite, adularia, apophyllite and natrolite. Some localities are...commonly found with pumpellyite, copper, quartz and adularia. Crystal habit, color and quality of individual |  | | Journal (article/letter/editorial) | | Russia, consists of typical low-sulfidation quartz-adularia veins in a host rock of diorite. The age of the...dated by the K-Ar method as 0.9 to 1.1 Ma based on adularia collected from the veins. Representative ore minerals...and lenaite. Dominant alteration minerals are adularia, α-cristobalite, chlorite, illite and kaolinite...area consists of typical low-sulfidation quartz-adularia-gold-silver veins. The largest vein is up to 25...Rodnikovoe Neogene 20 Km ☆ Geothermal plutonic rocks power station deposit, but the vein orientations and mineral |  | | Report (issue) | | the hills north of Sparks in the WEDEKIND mining district. The Wedekind ores consisted of silver halo ids...sphalerite, and pyrite. The numerous workings in the district consist of shallow shafts , pits, trenches, and...w ad its. The main period of production in the district was during 19011903 . 19.5 EXIT 21 VISTA. Ahead...about 100 miles in length. 21.3 River gaging station on right. Triassic(?) andesite metavolcanic rocks...the freeway is the oil and gas fueled Tracy Power station. This plant contains three units which produce |  | | Journal (article/letter/editorial) | | USA; tmonecke@mines.edu FLUID INC., 1401 Wewatta St. #PH3, Denver, CO 80202, USA; fluidinc@comcast.net...Silica sinters forming at the Wairakei geothermal power plant in New Zealand are composed of noncrystalline...observed in the silica sinters from the Wairakei power plant. The textural similarity suggests that the...silica sinter formed at the Wairakei geothermal power plant in New Zealand using a combination of optical... 2. Silica Sinter from the Wairakei Geothermal Power Plant in New Zealand 2.1. Geological Background |  | | Journal (article/letter/editorial) | | steam pipelines of the Wairakei geothermal power station as part of serious corrosion discovered after...wells of the Wairakei geothermal field to the power station, offers new evidence on the low-temperature...through the insulated steel pipelines to the power station, -2 km away. For the highest-pressure wells...and the expansion loop AI-A2 are close to the power station end of the lines. *3Measured against Vienna-SMOW...Fraktionierung der Sauerstoffisotope 16 0 und ISO im System Eisenoxyd-Wasser. Fortschr. Mineral., Beih |  | | Book | | .................... 98 7. S O U T H W E S T P R IM O R Y E (T H E V O Z N E S E N K A O R E D IS T R...O L D M IN E R A L IZ A T IO N O F S O U T H P R IM O R Y E (T H E A S K O L D S T R IK E -S L IP F A...potential o f m inerals and raw materials is even more im pressive, it includes tens o f explored deposits...within the ore field (Yeremin, 1974). Orebodies as adularia-quartz, carbonate-quartz, and quartz filling veins...silver are the most abundant ore minerals. Quartz, adularia, and calcite dominate as gangue materials. An |  | | Journal (article/letter/editorial) | | deposit area. Stage II is the typical Au-Ag quartz-adularia vein of low-sulfidation type. Stage III is al...alteration zone, and 0.7±0.1 Ma for the stage II adularia in mineralized vein. Based on the fluid inclusion...polymetallic vein (stage I) is characterized by a district zoning of tennantite and Cd-rich sphalerite in...potential for geothermal energy; two geothermal power-plants are operative. Many natural hot springs are...Mutnovskoe deposit on the ☆ Geothermal 20 km power station Caldera rim basis of the characteristics of |  | | Journal (article/letter/editorial) | | Petropavlovsk. Descriptions cover the Uzon caldera and its Valley of Geysers, and the volcanoes of Avacha, Karimsky...Kamchatka River drains north though a broad sheltered valley (Fig. 1). The entire peninsula provides a dramatic...to the west coast and down the Kamchatka River valley to Klyuchi; beyond these, all-terrain trucks and...spruce forests are still important in the central valley. Open treeless tundra of mosses, grasses and low...was almost replicated by the 1980 eruption of Mt St Helens , but unfortuna tely the significance (and |  | | Journal (article/letter/editorial) | | campaign (Nevins Figure 2. Map of the Telluride district showing the principal veins, adits, and shafts...historic preservation efforts in the Leadville mining district. Downloaded by [UZH Hauptbibliothek / Zentralbibliothek...was that it was the gold mines of the Telluride district, prominent among them the Tomboy, that had saved...Republican, 8 June 1903; Henderson 1926). Electric power was supplied by L. L. Nunn’s revolutionary new generating...its abundant water supply to help provide motive power. Through a well-organized exploration program, the |  | | Journal (article/letter/editorial) | | epithermal environment. Quartz, illite, K feldspar (adularia), albite, chlorite, calcite, and pyrite are the...time to commissioning the 112-MWelectrical power station in 1989 resulted in a wealth of information...commonly shares grain boundaries with illite, adularia, and/or calcite. Quartz abundance on all levels...Broadlands-Ohaaki Replacement Quartz K feldspar (adularia) Albite Illite Smectite Chlorite Kaolinite Epidote...Pyrrhotite Direct deposition Quartz K feldspar (adularia) Illite Chlorite Wairakite Epidote Calcite Pyrite |  | | Book | | alteration: a case study on the Seigoshi-Ugusu district. central Japan ....................... 1.4.2.6...Itolgawa-Shizuoka Tectonic Line; KSM, Kashima VLBI station (Uyeda, 1991). deposits range mostly from +7%o...interaction with carbonaceous matter. In the Kitakami district (North Honshu) gold vein-type (mesothermal-type)...in a single unit deposit in the HanaokaKosaka district, marked with three sub-typesof Kurokodeposits...vein-type deposits in Japan can be classed as adularia-sericite-type, and low sulfidation-type. Very |  | | Book | | Bergakademie Freiberg Germany Editorial Office MDPI St. Alban-Anlage 66 4052 Basel, Switzerland This is...(SLMS). He was guest lecturer at universities in Austria, Brazil, Norway, Italy, Poland, Spain, and Russia...SW7 5BD, UK Mining State University St. Petersburg, 21st Line, St. Petersburg 199106, Russia; museum_spmi@spmi...calcination process, pressure acid leaching has the power to effectively purify quartz sand without any fluorides...X-ray diffraction (XRD) used a rotation anode high-power X-ray diffractometer (RU-200B/D/MAX-RB, Rigaku Corporation |  | | Book | | Bergakademie Freiberg Germany Editorial Office MDPI St. Alban-Anlage 66 4052 Basel, Switzerland This is...(SLMS). He was guest lecturer at universities in Austria, Brazil, Norway, Italy, Poland, Spain, and Russia...SW7 5BD, UK Mining State University St. Petersburg, 21st Line, St. Petersburg 199106, Russia; museum_spmi@spmi...calcination process, pressure acid leaching has the power to effectively purify quartz sand without any fluorides...X-ray diffraction (XRD) used a rotation anode high-power X-ray diffractometer (RU-200B/D/MAX-RB, Rigaku Corporation |  | | Journal (article/letter/editorial) | | gold-silver−bearing epithermal veins, filled with quartz, adularia, and/or calcite gangue minerals. For clarity a...et al., 1995; Wilson et al., 1995). The thermal power output of volcanic eruptions is only about 25% of...(Bibby et al., 1995; Giggenbach, 1995). Thermal power outputs of individual geothermal systems range from...1982; Hedenquist and Henley, 1985). The thermal power output of individual wells is about 100 ± 50 MWth...deep) prior to commissioning of the Ohaaki power station in 1988. The well data provide most of the information |  | | Book (volume) | | deposits of the El Boleo copper mine, Santa Rosalia district, Baja California Sur . Ivan F. Wilson and Victor...Topia Mining District . H. Monje H. 215 23. Geology of the Tayoltita Mine, San Dimas District, Durango... Economic geology of the Santa Eulalia Mining District, Chihuahua . D. Maldonado E. 241 24. Economic...Economic geology of the San Martin Mining District P. Olivares R. Contents V 27. Geology and mineralization...mineralization of the La Encantada Mining District, Coahuila . B. Solano R. 28. Geology and genesis of the Naica |  | Chambefort, I., Lewis, B., Simpson, M. P., Bignall, G., Rae, A. J., Ganefianto, N. (2017) Ngatamariki Geothermal System: Magmatic to Epithermal Transition in the Taupo Volcanic Zone, New Zealand. Economic Geology, 112 (2) 319-346 doi:10.2113/econgeo.112.2.319 | Journal (article/letter/editorial) | | Bag 2000, Taupo 3352, New Zealand 2 Mighty River Power Limited, PO Box 245, Rotorua 3040, New Zealand ...Mighty River Power and Tauhara North No. 2 Trust commissioned in mid-2013 an 82 MWe power station. This paper...by quartz, epidote, chlorite, calcite, illite, adularia, albite, wairakite, and pyrite, with smectite...chlorite, wairakite, epidote (mainly clinozoisite), adularia, albite, calcite, and some rare anhydrite, prehnite...Evans, 2010): Ab = albite, Act = actinolite, Adl = adularia, Amp = amphibole, And = andalusite, Anh = Anhydrite |  | | Book | | aw use ot vada é seve sid) ot hese ie z9aim yhas St oF netted sale heins th pillar , ie jacvseiet...Central Mining District, Grant County Burro Mountains Apache No, 2 District Lake Valley Caballo Mountains...Mountains Chloride District Hansonburg District Socorro Area New Placers District Grants Area Nacimiento Uplift...Uplift Harding Pegmatite Ojo Caliente Pegmatite District 4. COLORADO MINES nm — On 29 DEPOSITS MEXICO... History of the San Luis Valley and the San Juan Mountains Bonanza District 33 33 36 37 46 54 bP) 57 |  | | Journal (issue) | | Johnsen, and Erik S. Leonardsen “A New Mineral Almost-IM” ..........................................83 by...P h o to : O la f M e d e n b ach . T h e s p e c im e n is a p p ro x i m a te ly 4 0 x 5 4 m m . edito...r, 4 2 O xford St., Leicester LE1 5XW South Africa: H orst W indisch, 3 0 van W ouw St., G roenklo of.............. ' 7 / ; / M O ST PR EFE R R E D M IN E R A L S P E C IM E N S - SP E C IA L on C alifornia...BIDEAUX MINERALS Telephone 624-2132 111 W. WASHINGTON ST., TUCSON, ARIZONA The Mineralogical Record, March |  | | Report (issue) | | Ph.D., A.R.S.M., M.I.M.M., F.G.S. Ministry of Power • • • • • • R. N. QUIRK, ESQ., C.B. L. H....Board .. .. .. II. DISTRICT REPORTS: (A)-ENGLAND AND WALE� • 1. South-Western District • • 2. Bristol and...South Wales District 3. 4. 5. 6. 7. 8. • • • • East Anglia and South-Eastern District South M-idlands...Central Wales District Yorkshire and East Midlands District • • • • North-Western District • • • • • •...North-Eastern District • • • • • • North Wales District • • (B)-SCOTLAND: 1. South Lowlands District 2. 3 |
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