00914pam a2200277 a 45000010008000000030004000080050017000120080041000290100017000700200015000870200018001020350012001200400018001320500018001500820021001681000022001892450090002112600038003013000034003393360026003733370028003993380027004275040041004546500122004957000019006172787954OSt20260601121407.0810817s1982    caua     b    001 0 eng    a   81012517   a0716712792  a9780716712794  a2787954  aDLCcDLCdDLC00aQE431.2b.E3800a552 E38 19822191 aEhlers, Ernest G.10aPetrology :bigneous, sedimentary, and metamorphic /cErnest G. Ehlers, Harvey Blatt.  aSan Francisco :bFreeman,cc1982.  axvi, 732 p. :bill. ;c24 cm.  atextbtxt2rdacontent  aunmediatedbn2rdamedia  avolumebnc2rdacarrier  aIncludes bibliographies and indexes. 0aPetrology - Igneous Rocks - Sedimentary Rocks - Metamorphic Rocks - Mineralogy - Geology - Earth SciencesvTextbooks.1 aBlatt, Harvey.