 | | Journal (article/letter/editorial) | | apatite from basanite to derive 35% mugearite, 25% benmoreite and 20% phonolite as residual liquids. Fractional...ignimbrite (pumice) — Akf+Cpx — Ζ1 vtph benmoreite Akf OlqCpxqmica Ox 30 fp, t phonotephrite...vtph 1–10 fp→mp, t, amg Volcano I phonolite benmoreite Akf>Fspth>Cpx Ol Ox>Ap — so Byrd tephriphonolite–...differentiated magmas, in which mugearite and benmoreite lavas were erupted. Volcanism ceased at 4·2 Ma...oscillatory normal-zoning of anorthoclase in a benmoreite stock reveals a pronounced increase in the Or |  | | Journal (article/letter/editorial) | | is the Comores Archipelago in the western Indian Ocean, and interpreted to have taken the form of modal...analysed have experienced compositional modi- Indian Ocean MORB), with only limited contributions from fications...mantle phase after extraction of LGT magmas at low ocean island basalts degrees of melting. Low absolute...incompatible elements, the high the western Indian Ocean (Fig. 1). Detailed petro- •Correjponding author...Lavas from the Gomores Archipelago, Western Indian Ocean: Petrogenesis and Mantle Source Region Characteristics |  | | Report (issue) | | regions observed or predicted to be extending. Ocean island basalt-like geochemistry is evidence for...erupted ranges from trivial in the case of minor seamount chains to ~108 km3 for the proposed composite...emplacement, which is often poorly known. Although ocean island basalt–type geochemistry is generally agreed...discussed from the Atlantic and Pacific oceans, which show much commonality. Each ocean hosts a single,...volcanism rather than at their beginnings. Each ocean contains several melting anomalies on or near spreading |  | | Book (edition) | | Hochstein and Patrick R. L. Browne 643 Deep Ocean Hydrothermal Vents 857 David A. Butterfield 663...Ignimbrites and Block-and-Ash Flow Deposits Deep Ocean Hydrothermal Vents 857 Impacts of Eruptions on...University of Washington Seattle, Washington, USA Deep Ocean Hydrothermal Vents JON P. DAVIDSON University of...preparing for the first manned exploration of the Mid-Ocean Ridge during Project FAMOUS. This was a critical...main battlefields between the plates: the rifts or ocean ridges and the subduction zones. The most important |
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