﻿GEOLOGY 
  OF 
  THE 
  NORTH 
  CREEK 
  QUADRANGLE 
  

  

  41 
  

  

  Table 
  10 
  

   Chemical 
  composition 
  and 
  norm 
  of 
  diabase 
  

  

  

  c 
  

  

  Oh 
  

  

  1 
  

  

  B 
  

  

  a 
  

  

  < 
  

  

  

  

  

  

  6 
  

  

  l 
  

  

  ! 
  

  

  a 
  j 
  c 
  

  

  < 
  < 
  

  

  

  a 
  

  

  

  

  3 
  

  

  u 
  

   (0 
  

  

  a 
  

   >. 
  

  

  N 
  

  

  3 
  

  

  

  

  SiO 
  . 
  

  

  50 
  ^7 
  

  

  •843 
  

   •133 
  

   .020 
  

   . 
  140 
  

   •12} 
  

   ■137 
  

   .047 
  

   .020 
  

  

  

  

  

  

  120 
  

  

  276 
  134 
  

   46 
  67 
  

  

  

  126 
  

  

  153 
  

  

  34 
  

  

  ALO,. 
  

  

  13 
  

  

  3 
  

  

  10 
  

  

  4 
  

   7 
  

   2 
  

  

  1 
  

  

  2 
  

  

  58 
  

   26 
  

   OQ 
  

   98 
  

  

  67 
  

   92 
  

   89 
  

   16 
  

  

  94 
  

   68 
  

   28 
  

   09 
  

   09 
  

   36 
  

   09 
  

   10 
  

   ni 
  

  

  

  

  

  

  20 
  

  

  Fe>0, 
  

  

  

  

  

  

  20 
  

   20 
  

  

  26' 
  

  

  37 
  

   61 
  

  

  '(3i 
  

  

  87 
  

  

  

  FeO 
  

  

  33 
  

  

  

  

  

  

  

  

  MgO 
  

  

  CaO 
  

  

  

  

  

  

  

  

  

  7 
  

  

  2 
  

  

  

  

  .! 
  67 
  

  

  

  

  Na 
  2 
  

  

  I 
  

  

  20 
  

  

  46 
  1 
  . 
  . 
  . 
  . 
  

  

  

  

  K2O. 
  . 
  

  

  

  

  

  1 
  

  

  

  

  

  

  H2O+.. 
  

  

  

  

  

  

  " 
  "1 
  

  

  

  

  

  

  H 
  2 
  0— 
  . 
  . 
  . 
  

  

  

  

  

  

  

  

  ........ 
  

  

  1 
  

  

  

  

  

  

  Ti0 
  2 
  

  

  ■033 
  

   .002 
  

   .002 
  

   .005 
  

   .005 
  

   .OOI 
  

   OOI 
  

  

  33 
  

  

  

  

  

  

  1 
  

  

  

  

  

  

  P2O5 
  

  

  2 
  

  

  

  

  

  .... 
  1 
  ... 
  . 
  

  

  

  

  

  

  CI 
  

  

  

  2 
  

  

  

  

  

  

  

  

  F.. 
  . 
  . 
  

  

  

  1 
  

  

  4 
  

  

  

  

  

  

  

  

  MnO 
  

  

  

  

  

  

  

  5 
  

  

  

  BaO. 
  

  

  

  

  

  

  

  ..'...:.. 
  

  

  

  1 
  

   1 
  

  

  

  SrO. 
  

  

  

  

  

  

  

  ........ 
  

  

  

  

  

  S 
  

  

  

  

  

  

  

  .... 
  1 
  ... 
  . 
  

  

  

  

  

  

  

  

  

  

  

  

  

  ........ 
  

  

  

  

  

  

  Total. 
  . 
  . 
  

  

  99 
  

  

  78 
  

  

  

  Qtz 
  . 
  

   Orth. 
  

   Alb.. 
  

   Anor. 
  

   NaCl 
  

  

  Mag. 
  . 
  . 
  

   Dm.... 
  

  

  Apat. 
  .. 
  

   Fluor 
  . 
  . 
  

   Diop 
  . 
  . 
  . 
  

   Hyper. 
  . 
  

   H2O+S 
  

  

  2 
  . 
  04 
  1 
  

   11 
  . 
  12 
  I 
  

  

  24. 
  10 
  [Sal.= 
  56.01 
  

   18.63 
  

   . 
  12 
  

  

  Sal. 
  56.01 
  5 
  3 
  

   Class, 
  = 
  <— 
  > 
  — 
  =111, 
  Salfemane 
  

  

  Fern. 
  42.34 
  3 
  5 
  

  

  Order, 
  

  

  QL 
  

  

  2.26 
  1 
  

  

  <— 
  = 
  5, 
  Gallare 
  

  

  4641 
  

  

  5.02 
  

  

  •67 
  

  

  .16 
  

  

  14.44 
  

  

  17.41 
  

  

  113 
  

  

  Total 
  99-48 
  

  

  F 
  53-85 
  7 
  

   K 
  2 
  O 
  l 
  +Na 
  2 
  1 
  67 
  5 
  3 
  

  

  Rang, 
  • 
  — 
  ■ 
  = 
  — 
  <->- 
  = 
  3, 
  Camptonase 
  

  

  CaO 
  1 
  67 
  3 
  5 
  

  

  Fem.= 
  42.34 
  

  

  Subrang, 
  

  

  K.O 
  1 
  

  

  20 
  3 
  1 
  

  

  — 
  <-> 
  - 
  = 
  4, 
  Camptonose 
  

  

  Na 
  2 
  O 
  l 
  47 
  5 
  7 
  

  

  Table 
  11 
  

   Mode 
  of 
  diabase 
  

  

  Plagioclase 
  

   Biotite 
  .... 
  

   Ilmenite 
  . 
  . 
  

   Augite. 
  . 
  . 
  . 
  

   Pyrite. 
  

   Quartz 
  .... 
  

   Apatite 
  . 
  . 
  . 
  

  

  Units 
  

   measured 
  

  

  027 
  

  

  975 
  

  

  168 
  

  

  090 
  

  

  30 
  

  

  26 
  

  

  4 
  324 
  

  

  Rel. 
  vols. 
  

  

  99 
  99 
  

  

  S. 
  G. 
  

  

  2.66 
  

   3.20 
  

   517 
  

   3 
  30 
  

   5.00 
  

   2.65 
  

   3.20 
  

  

  Units 
  Percentage 
  

  

  by 
  weight 
  weights 
  

  

  392 
  

   I20 
  

   868 
  

   597 
  

   150 
  

   69 
  

   26 
  

  

  13 
  222 
  

  

  99-97 
  

  

  