home *** CD-ROM | disk | FTP | other *** search
/ The Epic Interactive Encyclopedia 1998 / Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso / P / Pyroclastic / INFOTEXT < prev   
Text File  |  1992-09-02  |  319b  |  9 lines
  1. In geology, pertaining to fragments of
  2. solidified volcanic magma, ranging in size
  3. from fine ash to large boulders, that are
  4. extruded during an explosive volcanic
  5. eruption; also the rocks that are formed by
  6. consolidation of such material. Pyroclastic
  7. rocks include tuff (ash deposit) and
  8. agglomerate (volcanic breccia).
  9.