 | | Journal (article/letter/editorial) | | (Russia; Walker et al., 1994), theStillwaterComplex (Montana,USA; Lambert et al., 1989; Martin,⁎ Corresponding...PechengaComplex (Kola Peninsula, NWRussia; Walker et al., 1994, 1997), the SudburyComplex(Ontario...Cu–Ni–PGE deposit,Sudbury, CanadaStillwater PGE deposit,Montana,USANorll'sk I and Talnakhintrusions...dominantly fine-grained and consists (vol.%)oflabradorite (40 to 70%), augite (5 to 10%), with minorbrown...peritectoeutecticreaction is dominant. It consists oflabradorite (15 to40%), bronzite (10 to 30%) and olivine |  | | Report (issue) | | GEOLOGIC MAP OF THESTILLWATER COMPLEX WITHIN THEBEARTOOTH MOUNTAINS FRONT LARAMIDE TRIANGLE ZONESOUTH-CENTRAL...SOUTH-CENTRALMONTANAMontana Bureau of Mines and GeologyOpen-File Report 645Ennis Geraghty2013...Contract No. G10AC00365. GEOLOGIC MAP OF THESTILLWATER COMPLEX WITHIN THEBEARTOOTH MOUNTAINS FRONT LARAMIDE...LARAMIDE TRIANGLE ZONESOUTH-CENTRALMONTANAPURPOSEThe purpose of the geologic map is to:(1) publically...nomenclature (Todd andothers, 1982) for the entireStillwater mafic to ultramafic layered igneous intrusive; |  | | Journal (article/letter/editorial) | | 94720-4767,USABerkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709,USAReceived 31 May...Laboratory, 7000 East Avenue, Livermore, CA 94550,USA.E-mail addresses: cassata2@llnl.gov (W.S. Cassata)...feldspar Arrhenius plots reflects the confluence ofcomplex chemical, microtextural, and structuralchanges...coordination with 40Ar/39Ar data to better constraincomplexthermal histories and determine which alkali feldspars...andesine400BøggildHuttenlocher5070labradorite90P1200Anbytownite anorthiteFig. 1 |  | | Journal (article/letter/editorial) | | and cryptic layering of the Kuneneanorthositecomplex of SW Angola and NamibiaZENA1DE C. G. SILVADepartmento...AbstractThe gabbro-anorthositecomplex of SW Angola and Namibia (KuneneComplex) is dominated byanorthosite-troctolite... Fo79 ) are common in the western area of thecomplex with plagioclase becoming gradually less anorthitic...is more pronounced in the northern half of thecomplex where rocks are darker, fresh, and the rhythmic...IntroductionTHE exposed portion of the KuneneComplex ofAngola and Namibia (Fig. 1) is the middle part |  | | Report (issue) | | 150.05Total100.23100.27(1)Stillwater complex,Montana,USA; corresponds to (Ca0:76 Fe2+0:22...formations.Association:Orthoclase, sanidine,labradorite, olivine, leucite, amphiboles, pyroxenes.Distribution:...Pontiac Co.,Quebec; and many other localities. In theUSA, from Franklin and Sterling Hill, Ogdensburg,Sussex |  | | Journal (article/letter/editorial) | | Old Main,1 University Dr., Pembroke, NC 28372,USA; chaumba@uncp.eduReceived: 24 May 2017; Accepted:...GreatDyke, BushveldComplex in South Africa, theStillwater Complex inMontana,USA, and the Noril’skNi-Cu-(PGE)...BushveldComplex [7] and in the J-M reef of theStillwater Complex [8–11].In theStillwater Complex, researchers... similar to those described fromthe BushveldComplex [55,56].The footwall fault (Figure 2b) is encountered...atFayetteville State University, North Carolina,USA [58]. For all silicate samples, the Hyperprobe was |  | | Book | | Vermilion LakeComplex,Ontario ...........................2.12.1.2 The ShawmereComplex, Ontario. ...................... 602.12.4.1 The FiskenssetComplex ............ 632.12.4.2 Other Archean Anorthosites... . .. . .. . . .. 662.12.7.1 The ChimalpahadComplex .......... 682.12.7.2 The Sittampundiand Bhavani... . . . . . . . . . .. 692.12.8.1 The MessinaComplex,Limpopo Mobile Belt ............... 692.12.8...Terminology ............... 1063.5.4Andesine- vs.Labradorite-TypeAnorthosites ...................... 107 |  | White, L. F., Kizovski, T. V., Tait, K. T., Langelier, B., Gordon, L. M., Harlov, D., Norberg, N. (2018) Nanoscale chemical characterisation of phase separation, solid state transformation, and recrystallization in feldspar and maskelynite using atom probe tomography.Contributions to Mineralogy and Petrology, 173 (10)doi:10.1007/s00410-018-1516-8 | Journal (article/letter/editorial) | | (sanidine),shock-induced plagioclase glass (labradorite-composition), and shocked and recrystallized...plagioclase reference materials (Amelia albite andStillwater bytownite) appear chemically homogenous, and...uncertainty of published data. Within microstructurallycomplex materials, APT canresolve chemical variations...PacificNorthwest National Laboratory, Richland, WA,USA5GeoForschungsZentrum Potsdam Telegrafenberg,...temperature metamorphism (Anderson and Burnham 1983),complex magmacooling and mixing (i.e. Hibbard 1981), and |  | | Report (issue) | | funnel-shapedintrusivecomplex associatedwith younger alkalic rocks ofthe McClure MountainComplexUNITED STATES...McClure MountainComplex showinglocation and geologic setting of the mafic-ultramaficcomplex at Iron Mou...rocks form a small layered funnel-shaped intrusivecomplex, including several smaller associated discordant...ore and aremade up principally of bytownite-labradorite, monoclinic pyroxene, magnesiumrich olivine,...late-stage primary mineral.Part of the maficcomplex is well layered, having originated through crystal |  | | Report (issue) | | GEOLOGY OF THE DULUTH GABBROCOMPLEXNEAR DULUTH, MINNESOTA UNIVERSITY OF MINNESOTAMINNESOTA..............................6Duluth GabbroComplex ..................................6Pleistocene...........................73. DULUTH GABBROCOMPLEX..................................8General........ 15v VIGEOLOGY OF THE DULUTH GABBROCOMPLEXMineral Trends in the Layered Series ...........Granophyre ............. 47Comparison with theStillwater and Skaergaard Intrusions .... 51Anorthositic |  | | Journal (article/letter/editorial) | | zones of the sills are summarised in Table 3.Complex, interrelated and progressive secondary mineral...unaltered orthopyroxenite are composed of bronzite,labradorite and augite; completely altered equivalents consist...bronzite which is euhedral where enclosed inlabradorite (lower left) and strongly embayed where enclosed...from the Ora Banda Sill. Optically continuouslabradoritecrystals enclose tightly packed, unzoned cumulus...Norite from the Ora Banda Sill. Bronziteandlabradorite are both cumulus. Plane polarised light. D, Altered |  | | Report (issue) | | Survey, Federal Center, Denver, Colorado80225,USADepartment of Geology, Portsmouth Polytechnic, Portsmouth...Survey, Federal Center, Denver, Colorado 80225,USADepartment of Geology, Portsmouth Polytechnic, Portsmouth...Mountains11Stillwater Complex14Tobacco Root Mountains, Ruby Range, and remainder ofMontana15Bighorn...clinopyroxene or garnet in the Farmington CanyonComplex are cutby pegmatites (Bryant, 1988). West-northwest-...ALLATIN RANGE2.7HIGHLAND MOUNTAINSSTILLWATEHCOMPLEXfRUBV RANGEBEARTOOTH MOUNTAINS2.9-3.02.5-2 |  | Han, Chunming, Xiao, Wenjiao, Zhao, Guochun, Su, Benxun, Ao, Songjian, Zhang, Jien, Wan, Bo, Wang, Zhongmei, Ding, Jiaxin, Qu, Wenjun, Du, Andao (2014) Re-Os Isotopic Age of the Hongqiling Cu-Ni Sulfide Deposit in Jilin Province, NE China and its Geological Significance.Resource Geology, 64 (3) 247-261doi:10.1111/rge.12039 | Journal (article/letter/editorial) | | theStillwater Complex (Montana,USA;Lambert et al., 1989; Martin, 1989), the PechengaComplex (Kola...Russia; Walker et al.,1994, 1997), the SudburyComplex (Ontario, Canada;Hart & Kinloch, 1989), Voisey’s...measured by using TJA X-series ICP-MS(TJA, Denver, CO,USA). For Re, the mass numbers 185and 187 were selected...OlivineEusteniteClinopyroxeneHornblendeBiotiteLabradoritePentlanditeViolariteMilleriteChalcopyrite...lowerultramaficseries,StillwaterComplex (Lambert et al., 1994),DuluthComplex (Ripley et al.,1999) |  | | Journal (article/letter/editorial) | | Canada, which are associated with the BushveldComplex and the Nain Plutonic Suite, respectively. The...Great Dyke, Kiglapait, Muskox, Skaergaard andStillwater intrusions. Despite more than half a century...basaltic parental magmas of the 2.06 Ga BushveldComplex. The Voisey’s Bay Ni–Cu–Co sulfide deposit is associated...an Alrich residuum composed of hercynite andlabradorite (Li et al. 2000, Lambert et al. 1999, Ripley...Supergroup Rustenburg Layered Suite UitkomstComplex Lydenburg Shale Archean Basement Pretoria 50 |  | Antonelli, Michael A., Schiller, Martin, Schauble, Edwin A., Mittal, Tushar, DePaolo, Donald J., Chacko, Thomas, Grew, Edward S., Tripoli, Barbara (2019) Kinetic and equilibrium Ca isotope effects in high-T rocks and minerals.Earth and Planetary Science Letters, 517. 71-82doi:10.1016/j.epsl.2019.04.013 | Journal (article/letter/editorial) | | University of California - Berkeley, Berkeley, CA 94720,USANatural History Museum of Denmark, Øster Voldgade...California – Los Angeles,USAdLawrence Berkeley National Laboratory, Berkeley, CA 94720,USAeDepartment of...Earth and Climate Sciences, University of Maine,USAba r t i c l ei n f oArticle history:Received...samples come from thenorthern part of the NapierComplex (NC), Antarctica; four lowercrustal granulite-facies...a given bond-length.However, some of the morecomplex structures have extra Ca-Obonds with different |  | | Journal (article/letter/editorial) | | sulfide mineralization, related host rocks and theircomplex mineralogy (Garutiet al., 2001). In addition,...is composed of three main formations: the MaficComplex, the meta- volcanosedimentary Kinzigite Formation...central-southern part of the Ivrea-Verbano Zone, the MaficComplex is about 8 km thick and 35 km wide(Peressini et...and uplifted from a depth of 15 km, the MaficComplex remained relatively undisturbed and retained its...revealed a megascopic arc formation in theMaficComplex, defined by exposed lithologies. In their model |  | | Journal (article/letter/editorial) | | appears in Dr. A. L. Hall's memoir on the BushveldComplex, and we are also much indebted to ProfessorLombard...optical data and chemical analyses of Bushveld andStillwater orthopyroxenes, more iron rich than Enzr, indicating...YROXEN ES 277 3. Enstatite MVL3a,Stillwater Complex,Montana. Analyst Phillips. From chromite horizon...Websterite. No impurities. 5. Bronzitite 91, BushveidComplex. Rock analysis. Analyst C. F. v. d. Wait. Impurities...not published. 6. Bronzitite, Jagdlust, BushveldComplex. Rock analysis. Analyst H G. Weall. Impurities |  | | Journal (article/letter/editorial) | | and hypersthenite. Theplagioclase is andesine-labradorite and ilmenite is a characteristic accessory. (8)...complexes. Anorthosite is found in both these types ofcomplex, although it seems tooccur only erratically and...recorded as a minor facies of the Bay of Islandscomplex that THAVE~,621 Aufs~tze(1960, p. 9.56) regards...(HARPCM,1957)Massive anorthosites of Kunene basiccomplex, Angola, S.W. Africa (SmPsosand OTTO, 1960)Ankafotia...Stratified AnorthositeNorth AmericaStillwater igneouscomplex,Montana (HEss, 1960)Wichita Mountains, Oklahoma |  | | Journal (article/letter/editorial) | | plagioclase ranges in the basic typesfrom sodiclabradorite to medium bytownite, with symmetrical extinctions...(An52) to 50° (An80). Usually it isa mediumlabradorite. In the diorite the plagioclase is andesine with...former cases it is enclosed in hornblendeor buildscomplex aggregates with augite : in the latter the distribution...four of the six rocks examined, and ismediumlabradorite, about An«3. Spinel was found in two, abundantly...considerably in compositionand texture, and containlabradorite (An67 in VIII. 9 to An»7 in VIII. 14),hypersthene |  | | Report (issue) | | Igneous and TectonicStructures of theStillwater ComplexMontanaBy W. R. JONES, J. W. PEOPLES, and A...complex__-_____-_-________-_.____Stratigraphy of thecomplex.___________________________________Major subdivisions_____...vertical faults.____-_-_-__-__--__Mill Creek-Stillwater fault zone_..__..____Lost Creek fault_____-______-_-____--____...Development of deformation in vicinity ofStillwatercomplex.__.-_.._____-__-____--___^___-__--____Early...Late phase______-_____--________--_-----__.Stillwater River area_____________________Boulder River |  | | Journal (article/letter/editorial) | | Sciences, University of Rochester, Rochester, NY,USAReceived 23 February 1999; revised version received...All temperatures in ºC.are preserved [16].Labradorite feldspars can haveas much as 1.0 wt% Fe3C and...properties ofBanded Series rocks of theStillwater Complex,Montana, J.Geophys. Res. 102 (1997) 12139–12157 |  | | Report (issue) | | Geological Society of AmericaMemoir 80STILLWATER IGNEOUSCOMPLEX,MONTANAA QUANTITATIVEMINERALOGICAL STUDY...Edward Sampson began the study of theStillwater complex,Montana, in 1930. The writer commenced a detailed...detailed study of themineralogy of thecomplex in 1935 after several periods in the field in preceding...Peoples would write the general geology of thecomplex, Howland the floorrocks and sulfide deposits,...have published a number of short papers on thecomplex.(Peoples, 1933; 1936; Howland, Peoples, and Sampson |  | | Journal (article/letter/editorial) | | (1942, 1960) descriptions of the Nain anorthositiccomplex on the Labrador coast indicate that it also shows...Skaergaard Intrusion (Wager and Deer 1939) and theStillwater Complex (Hess 1960; Jackson 1961). I t is believed...described by Wells (1962) in the Freetown anorthositiccomplex, Sierra Leone. Inferred faults shown in Fig. 1...of olivine basalt liquid heavily charged withlabradorite crystals. A possible alternative is that addition...composition, i.e. approximately 20% pyroxene and 80%labradorite, to satisfy the requirements of the exposed rocks |  | | Journal (article/letter/editorial) | | kiEzeyit e499klebelsbergite959kraissliEe82labradorite1093magnetlteLL24oanganaxinite959mcgovernite...imentsRocks (Cilpta and Yagl)1309Iron fomtlon,MontanaThe structureofFUESS, lt. see JoSWIG, W.349...VANIMAN, D.T.1087 _,review of Magnet|tc Pnoper_,Labradorite,crystalstructure8lties of Coordinationand...I I R U , C . E . s e e I i U A N G ,W . - L ,complex, NorwayFen alkaline1 0 69L27Qsl-lver-4H, 2H...sundiuslte1 0 8 7 Nepheline, low-tenperatureMontana, iron forMtion1130tak6uchlite97OinversionMonteregianite |  | | Journal (article/letter/editorial) | | STEVENS 31. Little Rocky creek,stillwater complex,stillwater county,Montana. chromite from massiveone-footlayer...massiveone-footlayer 150feet abovethe baseof thecomplex,r00 feet west of Little Rocky creek. For geologicmap of...Ledge west of Mt. view lake,stillwater complex,stillwater county,Montana. Analysis by R. c. wells using...cirque, East Boulder plateau,stillwater complex,Sweetgrass county,Montana. chromite from 2.5-foot layer...claim, East Boulder plateau,stillwater complex,sweetgrass county,Montana. chromite from top of one-foot |
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