NDLTD logo NDLTD Union Catalog and Global ETD Search

Global ETD Search

Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

Results

Showing 1 to 5 of 5 for “"Volcanic ash, tuff, etc."”.

  1. An investigation of volcanic breccia as a source rock for crushed rock pavement materials

    Davidson, William HamiltonUNSW, Sydney1971

    unsw Repository record

  2. Geochemistry and petrogenesis of the Proterozoic Pater metavolcanic suite, Spragge, Ontario /

    Lorek, Edward G.Brock University1987

    The Pater metavolcanic suite (PVS) was extruded as part O'f the basal Pater Formation of the Huronian Supergroup ca. 2.4 Ga. They Ars classified as wi thin-plate tholeiites associated with an immature ri-fting episode, and are inter layered with associated vol cani clastic and metasedimentary …

    brock Repository record

  3. The Geology and Petrology of Enigmatic Rhyolites at Graveyard and Gordon Buttes, Mount Hood Quadrangle, Oregon

    Westby, Elizabeth G.

    portland-state Repository record

  4. Correlation and Paleoenvironments above West T9.3 Tuff, Pisco Formation, Peru

    Stanton, Caleb

    … this study, we correlated, mapped, and dated a tuff couplet and associated beds over 25 km2. We measured eight sections that include the tuffs and conducted detailed facies analysis. Sections were broken down into eight facies including: hummocky cross-stratified diatomaceous siltstone, muddy …

    loma-linda Repository record

  5. Long-term desorption behavior of uranium and neptunium in heterogeneous volcanic tuff materials

    Cynthia, Dean

    … experiments using four well-characterized volcanic tuff cores collected from southeast of Yucca Mountain, Nevada. The objectives of the experiments were to 1. Demonstrate a methodology aimed at characterizing <italic>distributions<italic> of sorption parameters (attributes of multiple …

    unm Repository record