Retrieving "Oceanic Sediment Composition" from the archives

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1. Volcanic Ash

   Linked via "oceanic sediment composition"

   The deposition of thick ash layers severely impacts terrestrial ecosystems. Initial effects include smothering vegetation, rendering grazing land unusable, and altering soil pH due to acid leaching.
   A secondary, poorly understood effect relates to oceanic sediment composition. In the Korean Strait, periods of intense ash fall have resulted in distinct layers of volcanic material intermixed wit…