explosive index

explosive index

[ik′splō·siv ′in‚deks]
(geology)
The percentage of pyroclastics in the material from a volcanic eruption.
References in periodicals archive ?
If the test is positive, then the explosive index (Kst) and the maximum pressure rise (Pmax) of the dust should be determined by ASTM E 1226-12a, Standard Test Method for Explosibility of Dust Clouds.
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