 | | Journal (article/letter/editorial) | | interpretation of, 251; India, with Ca-rich pigeonite, 975; Greenland, anal., opt., petrogenesis, oriented...837 development of garnet in, 649; West Pakistan, Basalt, Rdunion, anal., rhyodacite glass in, I52; with...aegirine-augite, augite, blanfordite, diopside, fassaite, pigeonite, spodumene Closepet, Mysore, India, granite, 678...X-ray, d.t.a., infra-red spectra, nature of, 225 DE WYS (R. C.), Corrections to the system anorthit...GILLARD (J. L.), see ROUXHET(P. G.), 583 Gimi River, Jos, Nigeria, clinopyroxene, corundum, zircon, 579 GIRAUD |  | | Journal (article/letter/editorial) | | Wissenschaften (Groth, Paul.) 9-10 1841 La gendse de la science des cristaux (Metzger, H6line.) 9 - 1...tt-t2 2t64 Bakerite,San Bernardinocounty,Inyo county 5-6lr09 (Pemberton,H. Earl.) Birnessite,Boron 5-6...Erlichmanite, Humboldt county 9-10 1501 (Snetsinger, KennethG.) Iridosmine, platinum, Trinity county 5-6 1101 (Snetsinger...(Snetsinger, KennethG.) K-feldspar,Inyo countY (Martin, Robert F.) l-2 281 Central African Republic Mineralogy...Mineralogy Amphibole, phlogopite, San Bernardino county, Ludlow, Dish Hill (Wilshire, H. G., et al) l-2 |  | | Journal (article/letter/editorial) | | Mineralogist Vol. 40, pp. 1025-1046 (2002) THE SOURCE OF BASALT VESSELS IN ANCIENT EGYPTIAN ARCHEOLOGICAL SITES:...Kelowna, British Columbia V1V 1V7, Canada ABSTRACT Basalt vessels are rare, but ubiquitous items in elite...post-Jurassic (unaltered), alkali and tholeiitic basalt units, representing all likely sources, were multiply...multiply sampled, and augite, plagioclase, pigeonite (tholeiites), and olivine analyzed (~1000 electron-microprobe...minerals in microsamples (1 mg) from 117 Egyptian basalt vessels indicate, unequivocally, that the bedrock |  | | Journal (article/letter/editorial) | | compositions in the mixed magma rocks include augite, pigeonite and orthopyroxene of very variable composition...relationships. From a study of a flow of the Picture Gorge Basalt in Oregon, Smith and Lindsley (1971) identified...matrix pyroxenes (Ewart et al., 1977), augite-pigeonite peritectic reactions (Hall et al., 1985), the...central facies formed by the mixing of tholeiitic basalt magma with a rhyolitic magma, which can be matched...maximum of ~50%. Crystals already grown in the basalt acted as sites for further pyroxene precipitation |  | | Report (issue) | | -oee © 31 Sobi@evolcanics 1... ticee apes fie Jos Sates ewes 31 Peesanorcorr elation... os 3s. 3...Contoctimelotions AGetand comelationie Contact relations: errOCe de GOSits te ig Satiosat) =r. .0 > 46 a4: te wucinaecditl...Columbia River Basalt ............ceeeee. 38 Interflow conglomerate in Columbia River Basalt ............area ........ 18 2. Analysis of Columbia River Basalt from Alder Bluff .......... Sue ocreencnolysis...ferruginous bauxite from Cowlitz County, Washington and Columbia County, Oregon ....... 88 14. Average |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . .. 36 Late Basalt and Microgabbro Dike Rocks .................. 4Z...hypersthene host, the result of inversion from pigeonite . . . . . . . . . . . . . . . . . . . . . . ..................... 34 12. Basalt flow inclusions in red granophyre in quarry on Kenwood Avenue .........Geologic map of Duluth and vicinity, St. Louis County, Minnesota LIST OF TABLES 1. Stratigraphic Succession...DVLllTH GABBRO COMPLEX Chemical Analyses and Mode of Basalt Hornfels . . . . . . . . . . . . .. 13 4. Modes |  | | Journal (article/letter/editorial) | | Marl a n d : A m p h i b o l e s in andesite and basalt: Stability 1069 as a function of , - ? - f o z...Krichterite, riebeckite, Kin andesite, thermal stability basalt, nephelinite G. AMTHAUER, with F. Rost, E. Beefllan:...garnets in the stockdale Kirnberlite Intrusion, Riley County, Kansas Anandite ordering Ancyl ite crystal structure...see Crystal strueture Augite chemical analyses, Pigeonite 9 exsolution lamellae 9 opticdl data 1086 conposition...and liotiPes: Quanzo5 titative Fe3'/Fe2- ratios Basalt 722 chenical analyses 1118 fibers and crystals |  | | Report (issue) | | 05WL068 05WL067 30 Tgs Tcd 20 Tbm Tbw Tcd Tt Basalt of Burnt Willow - Normal-polarity, porphyritic...This unit is correlative with the Burnt Willow Basalt of Smith (1966). Smith was the first to describe...diatomite of Clover Creek and tuff of Gwin Springs. The basalt is dips 2° to the southeast. The upper surface...landslide previously mentioned. In hand sample, the basalt of Burnt Willow has phenocrysts of plagioclase...diatomite of Clover Creek beneath the basalt of Burnt Willow. The basalt stands in vertical cliffs and the |  | | Book | | Udubaşa (1938, Ocnele Mari, Romania) Director of the Geological Institute of Romania, Bucharest; President...President of the Mineralogical Society of Romania; Member of the Commission for New Minerals and Mineral Names...and about 100 articles - one-third outside of Romania. Rudolf Duda (1944, Vojany, Slovakia) Head of the...Hungary (Sándor Szakáll) Poland (Ewa Kos/.owska) Romania (Gheorghe Udubasa) Slovakia (Rudolf Duda) Ukraine...Hungary (Sándor Szakáll), Poland (Ewa Kos/.owska). Romania (Gheorghe Udubasa), Slovakia (Rudolf Duda). Ukraine |  | | Journal (article/letter/editorial) | | and Goodman (Evans, et al., 1939, p. 942, Oldwick basalt) on one other specimen of New Jersey trap rock...Watchung basalt. Murray Hill, N . J. 25 feet below surface in quarry. 9Ba First Watchung basalt. Summit...surface in quarry. 9Bs First Watchung basalt. Scotch Plains, N . J. 35 feet below surface in quarry. 9B» First...First Watchung basalt. Same quarry as 9B3, 70 feet below surface. 9Bs First Watchung basalt. Chimney Rock...Rock Quarry, north of Somerville, N . J. 50 to 100 feet below surface. 9B» Second Watchung basalt. Livingstone |  | | Journal (article/letter/editorial) | | cumulate eucrites as adcumulates of plagioclase f pigeonite only; both approaches have been criticized as...Here, mass balance including magma + equilibrium pigeonite + equilibrium plagioclase is used to test a simple...elements (WE). The cumulate eucrites Serra de Mage and Moore County are consistent, in both REE and major...meteorite: Serra de Mag6 as 14% magma, 47.5% pigeonite, and 38.5% plagioclase; Moore County as 35% magma...magma, 37.5% pigeonite, and 27.5% plagioclase. These results are insensitive to the choice of mineraVmagma |  | | Journal (article/letter/editorial) | | mesosiderites were formed by remelting of a mixed basalt-cumulate gabbro-metal source region near the parent...magmatic phase (i.e., they are pigeonite-augite basalts, while eucrites are pigeonite basalts) and contain on...gabbro tridymite anorthosite basalt basalt 2 tridvmite anothosites basalt gabbro gabbro gabbro 1 gabbro...gabbro 1 norite 1 metabasalt? basalt RC-04 UC-07 cumulate cumulate 215 USNM5770-3 Me 184 UCLA USNM 3421...trid~rmtc in the i ini Hadid gabbro compared to Moore County show ihat the pawni melt for the Urn Hadid gabbro |  | | Report (issue) | | GEOLOGICAL SURVEY Geologic map of the Loudoun County portion of the Middleburg quadrangle, Virginia...accompanies J~~" Prepared in cooperation with Loudoun County Department of Natural Resources This report is...endorsement by the U.S. Government or the Loudoun County Department of Natural Resources. George Mason University...the Culpeper basin contain pebbles and cobbles of basalt, sandstone and siltstone as well. Streams draining...Mountain Estates (south of map area in Prince William County. Gravel comprises rounded quartzite, chert, vein |  | | Journal (article/letter/editorial) | | Arthur C., Jr. Beryl from the Oxford mine, Troup County, Georgia Bailey, Roy A. Volcanism and the upper...Physicaland chemical data for crandallite from Alachua County, Florida Boles, James R. Composition,optical properties...Melanophlogitefrom Mount Hamilton, Santa Clara County, California Cooper,W. F. Chargerefinementof a light-atommineral...review] De lVaal, S. A. Nickel minerals from Barberton, South Africa; V, Trevorite, redescribed De Waard...inversesdu MassifCentralfrancais;La Seriede la Sioule(Puy-de-Dome, [Contributionto the geologyof the inverted |  | | Journal (article/letter/editorial) | | reported to have been present, while in his 'Min~ralogie de la France' (1910) he noted the French occurrences...cores of zoned enstatite in lapilli in a melilite-basalt from Uganda. Clinoenstatite is said by E. O. Teale...Barth (1931) uses the terms 'clinoeustatite' and 'pigeonite' indiscriminately, while G. T. Prior (1920) proposed... and' clinoferrosilite' quite separate from' pigeonite' or ' enstatite-augite'. Very few reliable analyses...is t h e ' pigeonite B' of E. P. Henderson and H. T. Davies (1936) from the Moore County meteorite. Its |  | | Journal (article/letter/editorial) | | Baryte, Masson Hill, Derbyshire, paragenesis, 8I t Basalt, Lorne Plateau, Scotland, anal., petr., relations...COs-metamorphism of lavas, ankerite, chalybite, I 19 Binhill quarry, Cairnie, Huntly, Aberdeenshire, tacharanite, scawtite...dehydration of datolite, X-ray, structure, I58 Bosahan quarry, Carnmenellis, Cornwall, granite (weathered), kaolinite...chromepicotite, 326 Carbon-dioxide metasomatism of basalt, Scotland, II9 Carr Boyd Rock, Western Australia...4o~ Celadonite, Western Deccan, India, 65o Cerro de Pasco, Peru, rhomboclase, 6 ~o CESBRON (F.), The |  | | Report (issue) | | the Silver City Range and adjacent areas . Rocks of De Lamar and Flint Creek Tuff of Flint Creek . . . ... . . . . Rhyolites on the western flank north of De Lamar. Rhyolites of the central Silver City Range...generalized geologic map of the western part of Owyhee County, Idaho PLATE 2. Inferred distribution of tuffs...Little Jacks Tuff, western Owyhee County, Idaho, and Malheur County, Oreg., and northern Humboldt and...FIGURE 1. Index map of study area, western Owyhee County, Idaho . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | Stratigraphy and Petrography of Four Upper Yakima Basalt Flows in South-Central Washington Abstract: Field...contents, for example, vary more than 60-70 the Yakima Basalt in south-central Washington modal percent within...they are: Umatilla Basalt, Selah Member of the Ellensburg Formation, Pomona Basalt, Rat- flow differences...tion, Elephant Mountain Basalt, and Ward Gap chemical composition. Pomona Basalt is distinBasalt. Compared...the Pomona Basalt is identical with the Selah Butte calcium-rich composition. Umatilla Basalt differs flow |  | | Journal (article/letter/editorial) | | consists largely of olivine basalt, with less abundant basalt and picrite-basalt containing large phenocrysts...characteristic rocks are andesites and picrite-basalt containing abundant phenocrysts of augite as well...are given. Five are andesites, and one a picrite-basalt. Each of the six rocks is described in detail....proportion. The lavas range in composition from picrite-basalt to oligoclase andesite. They have been divided...consist very largely of olivine basalt, with smaller amounts of basalt (containing less then 5 per cent |  | | Journal (article/letter/editorial) | | variable between the four analyzed: Moama, Moore County, Serra de Magr, and Binda. Shapes of CI-normalized trace-element...concentrations of the pyroxenes (orthopyroxene, pigeonite, augite; Pun and Papike, 1995) and plagioclase...degrees of low-pressure partial melting of olivine, pigeonite, plagioclase, Cr-rich spinel, and metal assemblage...trace elements of the cumulates Serra de Mag6 and Moore County could be modeled as having been derived...chemistry of four cumulate eucrites (Moama, Moore County, Serra de Magr, and Binda) and demonstrated that the |  | | Journal (article/letter/editorial) | | calculating magma compositions from a solidified basalt magma, then consider a basaltic cumulate, and finally...Moon, basaltic meteorites are the only available basalt samples; however, meteorites are rarely large,...calculated. For instance, if 1 were pigeonite pyroxene and 2 were basalt magma, knowledge of D~geonla’hasa’t...concentration of Z in the basalt from the concentration in its equilibrium pigeonite. More generally, consider...a eucrite basalt containing Cz = IO X CI. If the basalt contains 50% magma, 25% pigeonite, and 25% plagioclase |  | | Report (issue) | | isochemical nature of much of the Lonar glass and basalt demonstrates that lunar glasses may often be chemically...slightly to moderately vesicular or amygdaloidal basalt which has weathered to "soft" trap. Major minerals...plagioclase (An 50-70) 33%-48%, clinopyroxene (augite ± pigeonite) 17%—34%, and opaques (ilmenite and/or magnetite)...within both groups more coarsegrained sub-ophitic basalt may contain 20%-30% interstitial fresh glass or...in the targets. Thus, slight shocking of Lonar basalt (<250 kb) produces minor cataclasis in plagioclase |  | | Journal (article/letter/editorial) | | fractionation of pigeonite and plagioclase from liquids similar in composition to the Sioux County and Juvinas...the liquids with compositions similar to Sioux County and Juvinas were themselves residual liquids produced...compositions similar to Stannern. Ibitira, and Sioux County could have been generated by increasing degrees...source regions composed of olivine (- Fo65). pigeonite (- Wo5En65), plagloclase (- AnY4), Cr-rich spmel...of the cumulate eucrites (e.g. Moama, Moore County, Serra de MagC) could not have equilibrated with liquids |  | | Report (issue) | | basaltic pegmatite in a Preakness Basalt sample from the Haledon Quarry, Haledon, New Jersey. Field of view...A. Volkert 219 14. Petrochemistry of Jurassic Basalt from Eight Cores, Newark Basin, New Jersey: Implications...ENA Basalts in the Northern Appalachians . Jelle Z. de Boer 361 HI. WHITE MOUNTAIN MAGMATISM OF NEW ENGLAND...and increasing volume. Subsequent pulses of ENA basalt in Connecticut are described by Philpotts as rising...HTQ basalts of Nova Scotia (the North Mountain Basalt) was not contaminated during ascent, but as an |  | | Book (volume) | | intrusion, east Greenland. Crossed polars x60. A. B. Pigeonite inverted to orthopyroxene with exsolved augite...pyroxene. Bushveld complex. Crossed polars x60. C. Pigeonite inverted to orthopyroxene with exsolved augite...Introduction 3 Magnesium-Iron Pyroxenes Orthopyroxenes Pigeonite 162 Calcium Pyroxenes Diopside-Hedenbergite...Fran9aise de Mineralogie et de Cristallographie for diagram from Bulletin Societe Frantaise de Mineralogie...Mineralogie et de Cristallographie: E. Schweizerbart'sche Verlagsbuchhandlung for diagrams from Neues Jahrbuch |
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