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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Spelling suggestions: "subject:"volcanism -- oregon -- roy bregion"" "subject:"volcanism -- oregon -- roy 1region""

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Explosion structures in Grande Ronde basalt of the Columbia Riverbasalt group, near Troy, Oregon

Orzol, Leonard Lee 01 January 1987 (has links)
Explosion structures occur in flows of Grande Ronde Basalt in the study area near Troy, Oregon. Data from nineteen stratigraphic sites indicate that the maximum number of flows that contain explosion structures at any one site is six. In the informally named Troy flow, explosion structures are widespread.
Volcanism -- Oregon -- Troy Region
Basalt -- Oregon -- Troy Region
Geology -- Oregon -- Troy Region
Geology
Volcanology

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