Tephra sentence example

tephra
  • To survey the main building types in the areas principally at risk and to assess their vulnerability to pyroclastic flow and tephra fall damage.

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  • The only historical event (AD 1886) erupted 1.3 km3 of purely basaltic tephra fallout killing about 150 people.

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  • Tephra analysis was carried out in order to observe possible isochrones, which were then used to form a relative chronology.

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  • The grayish volcanic tephra is unique to each eruption and can be identified microscopically.

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  • Initial results suggest a clear developmental sequence on the flows that have not been disturbed by tephra deposition.

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  • The majority of tephra horizons within a sequence can be distinguished on the basis of major or trace element chemistry.

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  • As the tephra layers can also be accurately dated you have a great series of time points to assign any fossils to.

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  • We have applied this UV laser system to the analysis of single shards from Miocene tephra deposits from the Ruby Range in southwest Montana.

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