Explosion structures in Grande Ronde basalt of the Columbia Riverbasalt group, near Troy, Oregon
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 wides...
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| Format: | Others |
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PDXScholar
1987
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| Online Access: | https://pdxscholar.library.pdx.edu/open_access_etds/3750 https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=4759&context=open_access_etds |