 | | Journal (article/letter/editorial) | | lower, Chino Quarry limestone, (2) Overlying qtartzite and schist beds, called the Chino Quarry quartzite...quartzite, (3) The upper, or Sky Blue Quarry limestone. Granodiorite and quartz monzonite intrusions separatethese...The Chino Quarry Limestone. This limestone, the best exposure of which is in the Chino quarry, is lvhite...enclosedin the brucite. Associated minerals are chondrodite, spinel, magnetite and wilkeite. The base of...considerablygreater. The Chino Quarry Quartzite. The structural relations between the Chino Quarry quaftzite and the |  | Redin, Yury O., Redina, Anna A., Mokrushnikov, Viktor P., Malyutina, Alexandra V., Dultsev, Vladislav F. (2021) The Kultuma Au–Cu–Fe-Skarn Deposit (Eastern Transbaikalia): Magmatism, Zircon Geochemistry, Mineralogy, Age, Formation Conditions and Isotope Geochemical Data. Minerals, 12 (1) 12 doi:10.3390/min12010012 | Journal (article/letter/editorial) | | mainly of quartz monzodiorite-porphyry and second-phase monzodiorite-porphyry. The magmatic rocks are characterized...pyrrhotite from retrograde skarns of the Ochunogda region. These differences are, first of all, due to the...the zones of potassic alteration at the Ochunogda region are a lower concentration and lower estimated pressure...gold-bearing complex deposits are known within this region. These deposits are paragenetically connected with...the gold–copper–molybdenum–porphyry type or to the combined skarn–porphyry type related with adakites |  | | Book (edition) | | Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Earth Science Department / College of Science,...Feld 236, D-69120 Heidelberg, Germany Sodenstr. 19, D-12309 Berlin, Germany Graslitzer Str. 5, D-63791 Karlstein...Karlstein am Main, Germany Ludwig-Maximilians Universität, Department für Geo- und Umweltwissenschaften...Ressourcengeologie, Luisenstr. 37, D80333 München, Germany Bundesanstalt für Geowissenschaften und Rohstoffe...Rohstoffe (BGR), Stilleweg 2, D-30655 Hannover, Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & |  | | Journal (article/letter/editorial) | | behave in a similar manner. C. A. B. On the Chondrodite from the Tilly-Foster Iron Mine, Brewster, New...enstatite and dolomite. I n the soft yeilow ore chondrodite occurs in larger quantity, has a light, yellow...exhibiting rhombohedrons of considerable size. Good chondrodite crystals, often 2 inches long, are found in hollow...crystals being filled up with dolomite. Where the chondrodite crystals have been protected by dolomite, they...occurrence of numerous faces. An analysis of chondrodite of the second type by Hawes, gaveA1,0,. MgO |  | | Journal (article/letter/editorial) | | 1941 Vol. 26 No.6 SECTION ACROSS COMMERCIAL QUARRY, CRESTMORE, CALIFORNIA A. O. Wooononl, R. A. CnreroN...Monzonite Porphyry. Mixed Rock.... Pegmatite. Contact Rocks Commercial Quarry Profile Wet Weather Quarry Profile...356 356 .tJo 358 358 359 360 364 365 Lone Star Quarry 370 375 377 Notes on Individual Minerals New...the limestone with intrusive quartz monzonite porphyry and pegmatites. The number of named minerals found...commercial quarry, supplemented by a corresponding section in the adjacent Wet Weather quarry' 351 3s2 |  | | Journal (article/letter/editorial) | | narrow,verticalto steeply dipping, quartz-feldspar porphyry dikes of Devonian age.Thedikesaredistributed in...1981;Pattersonet al., 1981; silicate phases. Quartz-feldspar porphyry dikesthatintruded Solomon, 1981;andmostrecently...withangularto roundedelasts, up Ma. Quartz-feldspar porphyry dikesat MountBisehoff have to 10 em in width,of...distributionformsa (WrightandKwak,1989).The abundance of porphyry fragcruderadialpatternresembling thatdeveloped...graniteextending to thenortheast from andgreisenized porphyry (WrightandKwak,1989),areexthe Meredith batholith |  | | Journal (article/letter/editorial) | | when I encountereda small group of visitors to the quarry, among whom was a youngster of boy scout age, who...making most scornful remarks about "nothin' but ole quarry rock," just about the time that I was making an...limestone, as was probably the high level North Star quarry on the northerly slopeof Sky BIue Hill. This, as...sinceone statement is made that the high level quarry was the North Star, and that the Lone Star was...this and the commercial quarry. It seemslikely that this intermediate quarry is the one now called the |  | | Journal (article/letter/editorial) | | by forsterite, spinel, diopside, phlogopite, chondrodite and clinohumite, with abundant superimposed serpentine...al.r Ore Geology ReÕiews 14 (1999) 227–249 this region has become the most important metallogenic belt...Characteristics of related intrusions The study region tectonically is located on the northern margin...ŽFig. 3., with quartz monzodiorite porphyry and granodiorite porphyry predominating, and have higher Fe...Au ŽCu. skarn deposits may be associated with porphyry copper deposits, iron–copper skarn deposits, and |  | | Journal (article/letter/editorial) | | crystals to almost 3 cm across associated with chondrodite, clinochlore, titanite, and other collectible...octahedra to 1 cm occur in chloritic matrix at the Hamm quarry, Windham County, and fine crystals to 2.5 cm occur...octahedral crystals in chlorite schist at Prince’s quarry, Philadelphia County. Excellent specimens consisting...to 1 cm across in marble in the Appomattox Lime quarry near Beckham, Appomattox County. Large someCOLOR...Hill, and similar crystals are found in the Kimzey quarry or Calcite Hill locality (Smith 1996). Magnetite |  | | Report (issue) | | younger than Ym PORPHYRY DIKE Individual dikes of uniform composition ranging from mafic porphyry and diabase...diabase through plagioclase porphyry andesite to quartz and feldspar porphyry rhyolite, in a dike swarm separate...swarm here mapped as Yp. One sample of a quartz porphyry rhyolite dike near the dirt road in the SW 1/4...exposures) hornblende pyroxene syenite and microcline porphyry syenite, generally homogeneous and massive but...dikes cut or contain inclusions of plagioclase porphyry amphibolite dikes (Apo); locally Ad dikes cut |  | | Journal (article/letter/editorial) | | per unit cell]. From Dzhuzumli, Mt. Zirabulaksk region, Bukhara. Named after the alchemist Avieenna (Abu...The correct form has been fairly widely used in Germany (Hintze, Handb. Min., Erg.-Bd., p. 86; H. Strunz...Tabellen, 3rd edn, t9. 308 (CaIllit). Calcio-chondrodite. E. R. Buckle and H. F. W. Taylor, 1958. Amer...818. Cas(Si0a)e(OH)~, the calcium analogue of chondrodite ; synthetic. Calcio-jarosite. H. Strunz, 1957...phlogopite deposit of the Medviezhy river, Aldan region, Yakutia. Named from the composition. [M.A. 14-280 |  | Dai, Junzhi, Mao, Jingwen, Zhao, Caisheng, Xie, Guiqing, Yang, Fuquan, Wang, Yitian (2009) New U–Pb and Re–Os age data and the geodynamic setting of the Xiaojiayingzi Mo (Fe) deposit, western Liaoning province, Northeastern China. Ore Geology Reviews, 35 (2) 235-244 doi:10.1016/j.oregeorev.2008.10.001 | Journal (article/letter/editorial) | | the world include porphyry-, skarn- and hydrothermal vein-types. Although porphyry-type Mo deposits are...and western Liaoning province are mainly of the porphyry-, skarn- and quartz vein-types. Located in the... 10 km in thickness. Phanerozoic rocks in this region comprise Cambrian–Middle Ordovician shallow-marine...Craton, large scale deformation was minimal in this region before the Paleozoic. During the Late Paleozoic...G—Massive magnetite in diopside skarn, replacing chondrodite (Cd); H—Chrysanthemum-like molybdenite (0.3–0 |  | | Book | | of Iron Water 37.28 50:06 5:11 7.55 Silica CHONDRODITE = Magnesia Magnesium Fluorine Magnesia ::...Barrow .) Blende. ( Huel Basset.) Slate, with Porphyry Dykes. Argentite. Copper. Cuprite. Malachite ...Clarence .) Smaltine. ( Huel Coates.) Slate and Porphyry. Tin . Ag nesite. Bismuthochre. Cassiterite. Felspar... Orthoclase . (Huel Devonshire.) Slate, with Porphyry Dykes. > 97 Fluor. Pyrite. Towanite. (Huel...Diamond.) Rock Crystal. (Huel Druid .) Chlorite. Chondrodite. Copper. Cuprite. Goethite. (Huel Harmony.) Magnetite |  | | Journal (article/letter/editorial) | | and vulnerableto erosiveagencies. Valleys in this region frequentlyowe their positionto the easewith which...LIMESTONES TO THE MAIN BODY. In the New York City region, where the boundarybetween the Inwood limestone...If it is assumedthat conditionsin the Brewster region were similar, and the thicknessand persistence...infiltrating solutions. At the boundaryof the porphyry with the schist,when not modifiedtoo much by...schist. It is mineralogicallyvery much like the porphyry minus the feldspars. MicroscopicCharacter. The |  | | Journal (issue) | | Lieber Heidelberg, West Germany Olaf Medenbach Bochum-Querenburg, West Germany Eric Offermann Arlesheim...(acanthite), cloves (anthophyllite), grain (chondrodite), saffron (crocoite), honey (melilite), sea-water...and Graara deposits are located in the plateau region of Dr...Sarhro Mountains 30 km south of Ouarzazate. The region has three Precambrian layers (designated I, II...serpentine, quartz schist and quartzite. In this region an east-southeast-trending anticline has made these |  | | Journal (article/letter/editorial) | | Dubhaich aureole is seen in the exposures of the quarry at the bend of the road 300 yards west of the west...(Wo~,) wollastonite and solid solutions, Ch chondrodite ~C1clhlohumite, Mo monticellite, Fo forsterite... BOI~ON-FLUOP~INE CONTACT-SKARNS~ S K Y E 627 chondrodite, grossular, monticellite, and diopside• in which...this particular zone are built essentially of chondrodite and grossular. This wide zone is followed by...essential ore skarn, built of magnetite, and chondrodite, diopside, clinohumite, and forsterite in varying |  | | Journal (article/letter/editorial) | | Granite-porphyry Laurvikite Nephelite syenite Soelvsbergite Alkali-syenites Bostonite Syenite-porphyry Syenite...Aplite Essexite Gabbro Peridotite Diorite-porphyry Augite porphyry Biotite malchite Intermediate camptonites...pegmatites of Devil's Head, in the Pike's Peak region, have yielded a suite of noteworthy crystals oftopaz...alleghanyite very much resembles chondrodite. It is similar to chondrodite in section angles in its orthorhombic...that alleghanyite is the manganese analogue of chondrodite and is isomorphous with it. TH E AMERICAN M |  | | Catalog/List | | Arizona Pure green cleavage AMAZONITE Landsverk quarry, Evje, Norway Ixl 50p lx2£l 11 felspar group____________...Feldspar__________________ richly distributed in Porphyry. 6x6mm £3 San Jose Mine, Oruro, Bolivia Pure grey...£3 7 Pure black mica plate new Analysis , Saga Quarry, Tvedalen near ANNITE Mica__________ paper available...Chrysotile, pale grey-green Ixl £1 County Bridge Quarry,Lizard Mg Fe SiO_______ massive. _________ .Cornwall...S.A. Rotlaufchcn Mine Waldgirmes, 1 x 'A £2.50 Germany Ixl £2 Carnelian Bay.Scarborough Yorkshire 1x2 |  | | Journal (article/letter/editorial) | | kotoite, suanite, ludwigite, fluoborite, fluorite, chondrodite, norbergite, magnetite, brucite, chrysotile,...la ludwigite, la fluoborite, la fluorite, la chondrodite, la norbergite, la magnétite, la brucite, le...batholith consists mainly of granodiorite and granite porphyry with subordinate quartz monzodiorite and diorite...assigned to the most important magmatic event in the region, the “banatitic” one, of Upper Cretaceous – Paleocene...kotoite, suanite, ludwigite, fluoborite, fluorite, chondrodite, norbergite and their alteration products. Secondary |  | | Book (edition) | | 303 304 306 Feldspar Group 8. Subsilicates Chondrodite Tourmaline Andalusite, Fibrolite, Cyanite .^7rT...the case of datolite and two species of the chondrodite group. In a few kinds, as, for example, calamine...the calcite crystal. Serpenform of chrysolite, chondrodite, or some magnesium mineral, owing to a change...the most valuable mines are in Saxony, Hungary, Baden, Cornwall, and Australia. Besides the above ores...a pocket lens can detect. The pyrite of a gold region DESCRIPTIONS OF MINERALS. 1.24 is often so |  | | Journal (article/letter/editorial) | | including the base of the Cambrian. quartz-porphyry, felsite-porphyry, diabase, and feldspar-porphyrites, and...associated rocks of the northwestern Adirondack region. The limestones, instead of being in limited patches...Associated Rocks of the Northwestern Adirondack Region, by C. H. SMYTH,Jr. Bull. Geol. Soc. of Am., Vol...schists of the eastern Adirondacks. Study of the region seems to corroborate the conception of the Adirondack...not appear certain that in the eastern Adirondack region are any rocks older than this series. The extent |  | | Book | | galena occurring in lenses along the junction of porphyry and schist. Kaolin. Good quality kaolin of the...The predominant tungsten mineral throughout this region of southern Kiangsi is wolframite. Its concentrates...abundant in the junction beds between the Tai Mo Shan porphyry and the Hong Kong granite. Generally the veins...of the Hong I{ong granite into the Tai Mo Shan porphyry; the other is where the granite has established...highway through Tsuen Wan. Morphologically the region is youthful with steeply incised river valleys |  | | Book (edition) | | Porphyritic. Having a texture like loaf sugar. Like porphyry, 340. Polyhedral. Prisms, 23. Saline, (Lat....crystals ? 22 STRUCTURE OF MINERALS. Zinken, in Germany, 1000 cwt. of cry*tals of quartz were taken above...Lebanon springs in Columbia county, New York, and a region in the town of Hoosic, Rensselaer county, afford...found in some waters. What ever is soluble in a region through which waters flow, will of course be taken...beauty. The splint cam (or hard coal) of the same region is harder than the cherry coal. Cannel coal is |  | | Book (edition) | | Porphyritic. Having a texture like loaf sugar. Like porphyry, 340. Prisms, 23. Saline, (Lat. sal, salt.) Salt...is ; 22 STRUCTURE OF MINERALS. Zinken, in Germany, 1000 cwt. of crystals of quartz were taken above...Lebanon springs in Columbia county, New York, and a region in the town of Hoosic, Rensselaer county, afford...found in some waters. What ever is soluble in a region through which waters flow, will of course be taken...beauty. • fhe splint coal (or hard coal) of the same region is harder than the cherry coal. Cannel coal is |  | | Book | | Lots of studies have been carried out in this region during the past three decades focusing on the complex...attention given to an overview of the northwestern region. The Qiman Tagh area is located at the northwestern...Mesozoic. The complex geologic features of this region, including fragments of island arcs, oceanic islands...been reported from the interior of the Qiman Tagh region. However, in the Suhaitu area between the eastern...located in the central region of the Eastern Kunlun Orogen. The Xiarihamu region contains four mafic–ultramafic |
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