 | | Journal (article/letter/editorial) | | Triassic 40Ar/39Ar age for acamptonitedyke in Cambridge, Massachusetts,USAMartin E. RossDepartment...Northeastern University,Boston, Massachusetts 02115,USADate received: 28 November 2009...ABSTRACTA 2.4 m-thick megacryst- and xenolith-richcamptonite dyke briefly exposed during excavation of a subway...± 4 Ma using separates prepared from a ferro-kaersutitemega-phenocryst. This age is the oldest yet reported...par préparation d’un mégaphénocristal de ferro-kaersutite. Il s’agit de la plus ancienne datation établie |  | | Journal (article/letter/editorial) | | AMYGDULARCAMPTONITE DIKES FROI,{ I,IOUNT JO, MOUNT NIARCY QUADRANGLE, ESSEXCOUNTY, NEW YORKX Howanr...Washington25, D. C. Asstnact Three small, amygdularcamptonite dikes intrude the Marcy anorthosite in Mount...Mount Jo, Mount Marcy quadrangle, EssexCounty, N. Y. They show a northeasterly strike, 80o to 90" dip, and...thick. They are similar to the post-Ordoviciancamptonite dikes from the Lake Champlain valley. Three modal...and hornblende. The dikes may be classified ascamptonite (family 3216H, Johannsen), subbasalt (DVM7-75 |  | Martin, Robert F., Alarie, Éric, Minarik, William G., Wáczek, Zsófia, McCammon, Catherine A. (2016) Titanium-Rich Magnesio-Hastingsite Macrocrysts In A Camptonite Dike, Lafarge Quarry, Montreal Island, Québec: Early Crystallization In A Pseudo-Unary System.The Canadian Mineralogist, 54 (1) 65-78doi:10.3749/canmin.4359 | Journal (article/letter/editorial) | | TITANIUM-RICH MAGNESIO-HASTINGSITE MACROCRYSTS IN ACAMPTONITE DIKE,LAFARGE QUARRY, MONTREAL ISLAND, QUÉBEC:...D-95440 Bayreuth, GermanyABSTRACTA prominentdike ofcamptonite cuts the Middle Ordovician Tétreauville...operated by Lafarge Canada Inc. The ‘‘Lafarge’’dike is strikingly porphyritic, with largely anhedral...with ferri-kaersutite resembling the amphibole inthe fine-grained matrix of thecamptonite. The magnesio-hastingstite...mantle source.Camptonite dikes are very common on Mont Royal. Like the Lafargedike, theylikely arose |  | | Journal (article/letter/editorial) | | liquid, and an immiscible CO2-rich fluid phase.Kaersutite-bearing lamprophyre with felsic ocelli yields...have been observed between the several types ofdike, indicating that they were all intruded at about...of thedike. A very fine-grained zone up to 1 cm wide may be presentalong the margin of thedike, and...less fine-grained zones commonlyoccur within thedike. Ocelli are not found within these zones, but tend...marginalPLATE 1FIG. 1. A 1-6 m widekaersutite lamprophyredike containing numerous ocelli. Note the |  | | Journal (article/letter/editorial) | | CAMPTONITE DIKES NEAR BOULDER DAM,1 ARIZONA'faNCal,rpeplr*ANo EnwanrT. ScuBNx**ArsrnncrNear...Dam occurcamptonite dikes of possible Quaternary age characterized bydisamphibole (kaersutite) phenocrysts...volatiles in thedike magma. Chemical analyses of theamphibole and of the chilled margin of adike are presented...presented and discussed.INrnooucrroNCamptonite dikes occur within a limited area bordering U. S. Highway...Composition: the rock is acamptonite and the amphibole mostnearly resembleskaersutite. Rocks with such alkaline |  | Ulrych, J., Novák, J. K., Lang, M., Balogh, K., Hegner, E., Řanda, Z. (2006) Petrology and geochemistry and K–Ar ages for Cenozoic tinguaites from the Ohře/Eger Rift (NW Bohemia)Neues Jahrbuch für Mineralogie - Abhandlungen, 183 (1) 41-61doi:10.1127/0077-7757/2006/0059 | Journal (article/letter/editorial) | | evolved rocks in the alkaline (camptonite/monchiquite – phonolite/tinguaite)dike suite of the Cenozoic Roztoky...Ma for five samples suggest that the tinguaiticdikerocks are coeval with the subvolcanic members of...preferred strike directions for compositionally distinctdike rocks (Ulrych &Balogh 2000, Cajz 2003) and the...0˚, 40˚ and steep dips (80to 90˚). The averagedike width is ~ 1m but widths rangefrom 10 cm to 10...monzodiorite, sodalite syenite withdiopside –kaersutite cumulates (?) that are also present incamptonites |  | | Journal (article/letter/editorial) | | of analcime—carbonate and an alkali feldspar-kaersutite-rich lining.Virtually identical zoning is developed...common to both lamprophyre host andocellus.Kaersutite is progressively enriched in Fe, Mn, Alvl, and...the swarm the dyke association of peridotite,camptonite,trachyte, tinguaite, and carbonatite is readily...of this model. Fractionalcrystallization ofcamptonite results in phonolitic late stage liquids which...damkjernitic peridotite. Vesiculation of thecamptonite results inseparation of a volatile phase (fluid |  | | Journal (volume) | | theeast it is bounded by the St. Francis andConnecticut River basins, and to the south by theHudson... anda larger swarm of over 150 monchiquite,camptoniteand trachyte (mostly bostonite) dikes in the...compositions and mineralogies which includeaugite,kaersutite, olivine, phiogopite, andesine andanalcime....petrographic and geochemical descriptions of thedike rocks. Our studies have been integrated withrelated...Hillstock, a small syenitic complex (Fig. 1) .Camptonitedikes are present throughout both subgroups, |  | | Report (issue) | | P. Ambers and R. P. Wintschhole, Moodus,Connecticut171Geochemical and geological criteria for...A. Bernitz, andJ. S. Foutorigin, easternConnecticut187Thrust napping versus fold napping in the...of the Boston Basin .235of southeasternConnecticutNicholas Rast and James W. SkehanIndex....suggests that the mid(?)- to lateProterozoicMiddlesex Fells Volcanics consist of alkalic to transitional...are from a 1.5-k-deep core drilled atMoodus,Connecticut. Based on their findings, the authors suggest |  | | Journal (article/letter/editorial) | | Lowell,Lowell,Massachusetts01854,USAAbstract. Many lamprophyredike and sill rocks inthe Monteregian...suggests the late stageintroduction of CO2.7.Camptonite sill at the north end of the Papineau Avenue...accessory apatite and magnetite.8. Monchiquitedike previously exposed at Visitation Islandin the Rivi~re...carbonate, chlorite, and accessoryapatite.9.Camptonite sill exposed in an abandoned quarry at St.Vincent...sphene,and accessory apatite and zircon.6.Camptonite dike in the eastern hornfels collar of MountRougemont |  | | Report (issue) | | border.The Lost Trigo fault near Cibola in YumaCounty, Arizona iswithin lower Pleistocene or upper Pliocene...southwest side of the Big Maria Mountains in RiversideCounty, California. The feature is 5.5 km long and 92...the western sideof the Black Mountains, MohaveCounty, Arizona, forming a topographic depression with...southwest sideof the Chuckwalla Mountains in RiversideCounty, California.Trenching of several aerial-photograph...Range-Whipple Mountains area in SanBernardinoCounty, California (Carr and others, 1980). These faults |  | | Journal (article/letter/editorial) | | sericitized, and often show undulating extinction.Kaersutiteoccurs as elongated subhedral to euhedral phenocrysts...Skien.LITHOS12 0979)cially noteworthy thatkaersutite is associated inthese experiments with Ti-poor...not beenobserved in the plagioclase.KaersutiteKaersutite is a pargasitic amphibole in which Tiranges...about 0.5 to I atom per formula unit~One typicalkaersutite composition from sample$47 is presented in Table...Kesson &Price (1972) therefore conclude thatkaersutitemust be an accessory phase in the upper mantle |  | | Catalog/List | | Sodium aluminum silicateCLEA VE LANDITEConnecticut FairfieldCounty, BranchvilleWhite xlline with cymatolite...cymatolite, good study ...New Mexico TaosCounty, near DixonNearly pure white xlline lamellar mass .MOONSTONE...cerium aluminum silicateCaliforniaLos AngelesCounty, Pacoima CanyonLarge black tabular crystals in...iron silicateACTINOLITECalifornia San BernardinoCounty, WrightwoodGreen prismatic crystalline mass ....CROSSITE Sodium iron silicateCalifornia San BenitoCounty, Gem mineCompact blue-gray mass with natrolite |  | | Report (issue) | | ENGLAND (CNE) AND ATLANTIC CANADIAN MAGMATISM1. MaficDike Suites Within Mesozoic Igneous Provinces of New...increasing volume. Subsequent pulses ofENA basalt inConnecticut are described by Philpotts as rising through...the feeder dikes inConnecticutthat fed the initial ENA magma pulse (the Higinumdike) is projected into...Hampshire by Sundeen and Huff (Chapter 5) as the Onwaydike. In Chapter 9 Jaroslav Dostaiand J. Greenough provide...reports on eight diabase sheets and one associateddike from the central Newark Basin. He concludes that |  | | Journal (article/letter/editorial) | | Saint-Hilaire has yielded the largest crystals known.ADIKE NEAR McGILL COLLEGEIn the middle of the nineteenth...States NationalMuseum for 1904.the joints in adike “near McGill College” contained “thin bladedcrystals...aluminous, and is probablya zeolite” (Hunt, 1857). Thedike rock also contained “brilliant cubiccrystals, often...adjacent to the Redpath Museumrevealed a feldspathicdike containing abundant dawsonite fillingirregular...observation of dawsonite on the campus. The 1.5-meterwidedike had a near-vertical dip, a strike of about N74°W |  | | Book (volume) | | greater variety of minerals are found in OxfordCounty,alone, than anywhere else on Earth of comparable...than Maine's, as well. An area smaller thanOxfordCounty in Murmansk Ob last, Kola Peninsula, Russia, has...gem-producing areas in the UnitedStates, admittedly.Connecticut has produced a few tourmalines,aquamarines,...clear to slightly blue topazes. However, San DiegoCounty, California, is arguably the most important gem-pegmatite...arranged alphabetically: P. B. Goodsell, Hartford,Connecticut, 44 p.Hentschel, G., 1983, Die mineralien der |  | | Journal (volume) | | s sueh as Ti-rieh chrome spineI, titanaugite,kaersutite-ferrokaers utite, and titanianphlogopite. lt...Ukraine, respectively.The mode of occurrence ofkaersutite as overgrowths on spinifex pyroxenes or as interstitial...y determined stabi lity conditions of hydrouskaersutite requiring a minimumwater pressure of at least...Department of Geology ofthe University of Maryland (USA). Other coworkers include Dr. Gerhard Brügmann from...silicates, such as augite andbrown amphibole,kaersutite, are in many casesfresh but olivine is almost |  | | Report (volume) | | is different in richterite thanin pargasite-kaersutite), but the methods works well within a given type...well as Fe2+ (i.e., FeO). Indeed, in studies ofkaersutite, measurement of Fe3+/( Fe2++ Fe3+) (e.g., McGuire...(1993) Crystal chemistry of Fe3+ and H+ inmantlekaersutite: Implications for mantle metasomatism. Am Mineral...implications of[6] 4+Ti partitioning in pargasite andkaersutite. Eur J Mineral 11:345-354Tiepolo M, Zanetti...Fluor-magnesiohastingsite from Dealul Uroi (Hunedoaracounty, Romania): Mineraldata and crystal structure of |  | | Book | | data from his subsequent research.Dr. Peter Tice (USA) provided a copy of his M.Sc.and Ph.D. theses. Dr...discussionon MSH rock types with LH. Dr. Dave Richerson (USA)provided details of the collecting history of donnayite...specimens from its collection. Dr. Modris Baum(USA) generously provided specimens for researchand photographs...Baum (USA), the late HenryBudgen (Canada), Gianfranco Ciccolini (Italy), thelate Rock Currier (USA), Robert...Hawthorne (Canada), the lateWilliam Henderson (USA), Laszlo Horvath (Canada),Ole Johnsen and Dorrit |  | | Catalog/List | | Da mBlack glassy crys ta l s imbedded incamptonite dike rock . ..... . . . . . . . . .. .. .. ..2...50 -l "##/ 100#JASPER -- See quartzKAERSUTITE See amphiboleKAOLINITE12500-M-01455Georgia |  | | Book (edition) | | CruzCounty. Bandy collection.Jeff Kurtzeman.Cerussite on aurichalcite.79 mine, GilaCounty. Wayne...Kurtzeman.Wulfenite on mottramite.79 mine, GilaCounty. WayneThompson collection.Jeff Kurtzeman. Introduction...stalactite.Red Cloud mine,Trigo Mountains, YumaCounty.Harvard University collection.Jeff Kurtzeman...Aurichalcite and hemimorphite.79 mine, GilaCounty.Wayne Thompson collection.Jeff Kurtzeman.[3]...different mining mores. Withthe advent of thecounty governmental structure,however, the need for this |  | | Book (edition) | | Co\·er photo: \\ 7 ulfenite, Rowley Mine, MaricopaCounty, 4 cm high specimen, Evan andMelissa Jones Collection...gemandmineralmuseum.arizona.edu) is located in the old PimaCountyCourthouse building at 115 North Church Avenue...on the market. The minesat Bisbee, in CochiseCounty, have produced large quantities of gem-quality...mineral stamp issued in 1992.At Morenci, in GreenleeCounty,gem-quality azurite was also commercially recovered...parallel to the grain.The Blue Ball Mine, in GilaCounty, has produced thousands ofazurite nodules up to | | | Book (edition) | | CruzCounty. Bandy collection.Jeff Kurtzeman.Cerussite on aurichalcite.79 mine, GilaCounty. Wayne...Kurtzeman.Wulfenite on mottramite.79 mine, GilaCounty. WayneThompson collection.Jeff Kurtzeman. -...stalactite.Red Cloud mine.Trigo Mountains, YumaCounty.Harvard University collection.Jeff Kurtzeman...Aurichalcite and hemimorphite.79 mine, GilaCounty.Wayne Thompson collection.Jeff Kurtzeman.[3]...different n1ining mores. Withthe advent of thecounty governmental structure,however, the need for this |  | | Report (volume) | | California-Bldg. 3 (Stop 533), Rm. 3128, 345Middlefield Rd.• RESTON, Virginia-503 National Center, Rm...Volcanic Membersof the Missisquoi Formation and aDike Cutting the Standing PondVolcanics, Southeastern... CHAPTER JThe Piermont Allochthon, NorthernConnecticut Valley Area,New England-Preliminary Description...Elementsin the Vicinity of Mount Ascutney, WindsorCounty, VermontLeslie J. CoxCHAPTER 0Carbonate-Hosted...and Heavy-Mineral Concentratesfrom the OrangeCounty Copper District, East-Central VermontJohn F. Slack |  | | Book (edition) | | mine, Silver district, Trigo Mountains, La PazCounty,Arizona. Smithsonian Institution. Formerly in...Bisbee District, CochiseCounty6470The Tombstone District, CochiseCountyThe Mammoth-St. Anthony Mine...Mine, Tiger, PinalCountyUranium and Vanadium Deposits80Monument Valley816378il S: The Cameron...ApacheCounty — 435CochiseCounty436CoconinoCounty437, 438GilaCounty439GrahamCountyGreenlee...GreenleeCounty440441LaPazCounty442MaricopaCounty443MohaveCounty444NavajoCounty445Pima County |
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