Tephrochronology

Age determination of rocks and deposits by correlation of volcanic ash layers (tephra) that bound the deposits below and above.
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Core OL-92 from Owens Lake, southeast California

The drilling project at Owens Lake commenced in April, 1991. This Open-File Report represents an effort to make available to other researchers our preliminary data collected during the first year of study following completion of the core-drilling phase.

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