﻿34 
  

  

  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  Table 
  7 
  

   Adirondack 
  gabbro 
  analyses 
  compared 
  

  

  Si0 
  2 
  

  

  46.40 
  

   14.17 
  

   2.03 
  

   13-12 
  

   4-94 
  

   9-65 
  

   3-14 
  

   1 
  . 
  12 
  

  

  AI2O3 
  

  

  Fe 
  2 
  3 
  

  

  FeO 
  

  

  MgO 
  

  

  CaO 
  

  

  Na 
  2 
  . 
  . 
  

  

  K2O 
  .... 
  

  

  H 
  2 
  0. 
  . 
  

  

  •27 
  

  

  CO2 
  

  

  Ti0 
  2 
  

  

  3 
  03 
  

   .80 
  

  

  P 
  2 
  6 
  .. 
  . 
  . 
  

  

  S 
  

  

  .14 
  

   ■44 
  

  

  MnO 
  

  

  NiOCoO 
  

  

  V 
  2 
  O 
  s 
  

  

  CI 
  

  

  15 
  

   .04 
  

  

  .18 
  

  

  F 
  

  

  BaO.. 
  . 
  

  

  SrO 
  

  

  . 
  10 
  

  

  Zr0 
  2 
  

  

  •05 
  

  

  99-77 
  

  

  47 
  

  

  17 
  

  

  4 
  

  

  10 
  

  

  5 
  

   8 
  

  

  3 
  

  

  42 
  

   34 
  

   9i 
  

  

  22 
  

   21 
  

   09 
  

   48 
  

   89 
  

   13 
  

  

  3 
  

  

  60 
  

   06 
  

  

  

  06 
  

  

  

  

  

  21 
  

  

  

  04 
  

  

  

  

  100.02 
  

  

  IOO.OI 
  

  

  4 
  

  

  5 
  

  

  6 
  

  

  47.16 
  

  

  46.74 
  

  

  44 
  97 
  

  

  14 
  

  

  45 
  

  

  16 
  

  

  63 
  

  

  15 
  

  

  40 
  

  

  1 
  

  

  61 
  

  

  2 
  

  

  17 
  

  

  2 
  

  

  29 
  

  

  13 
  

  

  81 
  

  

  10 
  

  

  60 
  

  

  12 
  

  

  39 
  

  

  5 
  

  

  24 
  

  

  6 
  

  

  11 
  

  

  10 
  

  

  89 
  

  

  8 
  

  

  13 
  

  

  8 
  

  

  66 
  

  

  7 
  

  

  50 
  

  

  3 
  

  

  09 
  

  

  3 
  

  

  81 
  

  

  3 
  

  

  02 
  

  

  1 
  

  

  20 
  

  

  

  86 
  

  

  

  56 
  

  

  

  60 
  

  

  

  85 
  

  

  

  75 
  

  

  

  35 
  

  

  

  07 
  

  

  

  23 
  

  

  3 
  

  

  37 
  

  

  2 
  

  

  54 
  

  

  1 
  

  

  18 
  

  

  

  57 
  

  

  

  33 
  

  

  

  14 
  

  

  

  14 
  

  

  

  11 
  

  

  

  06 
  

  

  

  24 
  

  

  

  26 
  

  

  

  22 
  

  

  

  02 
  

  

  

  03 
  

  

  

  02 
  

   02 
  

  

  99 
  

  

  98 
  

  

  99 
  

  

  77 
  

  

  99 
  

  

  72 
  

  

  44 
  77 
  

   12 
  .46 
  

  

  4 
  63 
  

   12.99 
  

  

  5 
  34 
  

   10.20 
  

  

  2.47 
  

  

  •95 
  

   .60 
  

  

  •37 
  

   5-26 
  

   .28 
  

   .26 
  

   •17 
  

  

  100.75 
  

  

  1 
  One 
  and 
  one-quarter 
  miles 
  south 
  of 
  The 
  Glen, 
  Warren 
  County. 
  E. 
  W. 
  

   Morley, 
  analyst. 
  Described 
  by 
  W. 
  J. 
  Miller. 
  

  

  2 
  Split 
  Rock 
  Mine, 
  Westport, 
  Essex 
  county. 
  W. 
  F. 
  Hillebrand, 
  analyst. 
  

   Described 
  by 
  J. 
  F. 
  Kemp. 
  

  

  3 
  Dike 
  near 
  Nicholville, 
  St 
  Lawrence 
  county. 
  E. 
  W. 
  Morley, 
  analyst. 
  

   Described 
  by 
  H. 
  P. 
  Cushing. 
  

  

  4 
  Woolen 
  Mill, 
  one 
  mile 
  west 
  of 
  Elizabethtown, 
  Essex 
  county. 
  W. 
  F. 
  

   Hillebrand, 
  analyst. 
  Described 
  by 
  J. 
  F. 
  Kemp. 
  

  

  5 
  Two 
  miles 
  south 
  of 
  Elizabethtown, 
  Essex 
  county. 
  W. 
  F. 
  Hillebrand, 
  

   analyst. 
  Described 
  by 
  J. 
  F. 
  Kemp. 
  

  

  6 
  Same 
  exposure 
  as 
  no. 
  5. 
  W. 
  F. 
  Hillebrand, 
  analyst. 
  Described 
  by 
  J. 
  F. 
  

   Kemp. 
  

  

  7 
  Lincoln 
  Pond, 
  Essex 
  county. 
  George 
  Steiger, 
  analyst. 
  Described 
  by 
  

   J. 
  F. 
  Kemp. 
  

  

  These 
  analyses 
  show 
  the 
  Adirondack 
  gabbros 
  to 
  be 
  very 
  similar 
  

   in 
  composition, 
  the 
  only 
  notable 
  variations 
  being 
  in 
  the 
  contents 
  of 
  

   A1 
  2 
  3 
  , 
  MgO, 
  and 
  Ti0 
  2 
  . 
  The 
  North 
  Creek 
  sheet 
  gabbro 
  (no. 
  1) 
  

   agrees 
  most 
  closely 
  with 
  no. 
  4. 
  

  

  Cause 
  of 
  the 
  primary 
  variations 
  

  

  In 
  attempting 
  to 
  account 
  for 
  the 
  primary 
  variations 
  of 
  these 
  

   gabbros, 
  the 
  writer 
  believes 
  there 
  is 
  strong 
  evidence 
  favoring 
  the 
  

   application, 
  to 
  a 
  greater 
  or 
  lesser 
  extent, 
  of 
  Daly's 
  magmatic 
  stoping 
  

  

  