 | | Journal (article/letter/editorial) | | the Mesozoic formations of Amami-Oshima, Ryukyu Islands. Especially, the Yuwan Formation belonging to the...mainly of titan-augite, kaersutite, anorthoclase, plagioclase, and in parts aegirine augite. Chief constituents...Q-normative. Titan augite and kaersutite in camptonite have a wide compositional range. Titan-augite in camptonite...of titan-augite are plotted between 1/2 and 1/3 lines. Compositional trend of titan-augite indicates... Fe2+)+2Si and Fe2++Ti4++2Al for 2Mg+2Si. Aegirine-augite is the last of the mafic minerals to be crystallized |  | | Report (issue) | | study areas visited are located in the Hawaiian, Line, and Phoenix Archipelagoes, and in the Mid-Pacific...2 seamounts is similar to that of the Hawaiian Islands-Emperor Seamounts chain and to that of other central...submarine volcanic edifices in the northern Line Islands Archipelago and in the Mid-Pacific Mountains...volcanic edifices south of Johnston Island in the Line Islands Archipelago and Titov Seamount southeast of...surveyed submarine volcanic edifices in the Marshall Islands Archipelago and in the Johnston Seamount Group |  | | Journal (article/letter/editorial) | | pyroxene is a violet Mn-bearing omphacite–aegirine-augite solid solution (i.e., the so-called ‘‘violan’’...(10–20 cm), composed of quartz and Cr-bearing, aegirine-rich omphacite (Fig. 4b). This layer contains...four principal equilibrium assemblages: brownish aegirine-rich clinopyroxene (level 5) and dark-green Na–Ca...winchite–riebeckite–barroisite–tremolite solid solutions) and/or aegirine/diopside-rich pyroxene can be present associated...minor carbonates and secondary Mn-oxides Garnet, aegirine clinopyroxene, quartz, minor secondary Mn-oxides | | | Report (issue) | | enrichment? apatite 229 Canada Ontario Manitou Islands Complex Magmatic, carbonatite/alkalic 230 Canada...1987 cancrinite, sodalite, calcite, biotite, aegirine, apatite, garnet, pyrochlore, zircon, vermiculite...residual enrichment phosphatic limestone Ionian Islands Cephalinia (Cephalonie) Marine chemical sediment;...phosphatic limestone unknown Ionian Islands Ionian Islands Ionian Islands Peloponnese Deposit or Site_Name...fenite magnetite, apatite, pyrochlore, mica, aegirine, alkali amphibole Emplaced into Archean basement |  | | Book | | normalized plot if this approximates to a straight line, and thereby the extent of fractionation of the...value obtained at the europium position by straight line interpolation between the plotted points for Sm...Y b Lu I Fig. 1.13. Range and averages (thick line) o f REE distribution coefficients for plagioclase/...pegmatite veins in nepheline syenite, associated with aegirine, synchysite, ancylite, and neptunite at Narsarsuk...particularly in pegmatite pipes in riebeckite-aegirine granites and in altered trachyte. Several occurrences |  | | Book | | . . . . 5.4.1 Kamchatka Peninsula and Kurile Islands . . . . . . . . . . . . 5.4.2 Geothermal Systems...midocean ridges, oceanic plateaux and volcanic islands, which inject the most common anions into the sea...seafloor along midocean ridges and in volcanic islands. During the last 25 years, studies of the 1.4...spreading ridges and on the flanks of volcanic islands, as well as the previously unsuspected existence...found in the crater of Vulcano in the Aeolian Islands. The origin of the element B in the Larderello |  | | Report (issue) | | 1990). Geochemical study of basalts from ocean islands thought to be “hotspots” revealed compositions...magma supply rates. (B) Histogram of the Hawaiian Islands at 1-Ma intervals. Gray bars show volumes and magma...chamber, its composition initially follows a liquid line of descent controlled by the precipitation of olivine...silica-undersaturated basalts observed at many ocean islands. More recently, Niu and O’Hara (2003) objected...variations similar to those observed both in oceanic islands and continental rift zones. It would be applicable |  | | Book | | in italics. Cf; b axis; c below the equilibrium line. Cf: accumulation area. Syn: zone axis. of ablation...net balance with altitude up to the equilibrium line. Cf: activity index. attack as a result of a relative...element to which the 1 aboriginal/absorption line tachment scar opens. Cf: oral side. tent as in...absarokite A basaltic rock, composed of olivine and augite age) of the absorbed fraction of incident flux...liquids, sometimes in¬ crease in the olivine and augite. Its name is derived from the correctly used in |  | | Book (volume) | | enable fresh rock to be obtained and studied. A fine-line pen with waterproof black ink will be needed to...Typically, there is 60% photograph overlap along the line of flight and 30% overlap of adjacent lines, allowing...the notebook. Barrel-type technical pens giving a line width of 0.15–0.2 mm are a common preference for...notebooks. Fine-line, waterproof, fibre- or ceramic-tipped pens of nominal 0.1 mm line size are an economical...rectangular baseboard. The hinged lid has a sighting line and a mirror to view an object and the compass simultaneously |  | | Book (edition) | | PALAEOMAGNETISM AND 23.10 Offshore bars and barrier islands 534 27.1 The Earth's magnetic field 616 23...fully and effectively as possible. Nearly all the line diagrams have been specially drawn, many of them...Midsummer's Day, so that a vertical stick or plumb line then throws no shadow. He observed, however, that...exaggerated angles and lengths. At Alexandria a plumb line having a length AB would throw a shadow of length...grain size with increasing distance from the shore line. As a result of investigations begun during the |  | | Report (issue) | | uncontaminated ground waters plot near the meteoric water line, indicating minimal evaporation. Good correlations...M0re Basin, located northeast of the Shetland Islands. Numerous late Cretaceous or Paleocene sills have...expedition) from both the Hawaiian Islands and the leeward islands to the northwest. These data demonstrate...automation of the furnace, along with the extraction line and air pipette, allows unattended operation and...25 THE MANTLE SOURCES OF BASALTS FROM CANARY ISLANDS WITH REFERENCE TO PB-SR-ND ISOTOPIC SYSTEMATICS |
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