﻿INDEX 
  TO 
  GEOLOGY 
  OF 
  THE 
  NORTH 
  CREEK 
  QUADRANGLE 
  

  

  Muscovite, 
  12, 
  38 
  

  

  Natural 
  Bridge, 
  10, 
  11 
  

  

  Newland, 
  David 
  H., 
  cited, 
  7, 
  8 
  

  

  Norite, 
  29 
  

  

  North 
  Creek, 
  5, 
  11, 
  62, 
  85 
  

  

  North 
  Creek 
  fault 
  and 
  branch, 
  54 
  

  

  North 
  Creek 
  glacial 
  lake, 
  73 
  

  

  North 
  Hudson, 
  72 
  

  

  North 
  River 
  village, 
  44, 
  55 
  

  

  Northville, 
  21 
  

  

  Obsidian, 
  39 
  

  

  Ogilvie, 
  cited, 
  65 
  

  

  Olivine, 
  29, 
  30, 
  31 
  

  

  Olivine 
  norite, 
  29 
  

  

  Orthoclase, 
  13, 
  14, 
  17, 
  18, 
  19, 
  22, 
  28, 
  

  

  29, 
  33, 
  37, 
  38 
  

   Oven 
  mountain, 
  12, 
  46, 
  55, 
  59, 
  61, 
  78, 
  

   81 
  ; 
  faults, 
  54 
  

  

  Paleozoic 
  outliers, 
  44-45 
  

  

  Paradox 
  lake, 
  72 
  

  

  Patterson 
  brook, 
  6 
  

  

  Pegmatite, 
  7, 
  38 
  

  

  Pegmatite 
  dikes, 
  77 
  

  

  Peneplains, 
  64-65 
  

  

  Phlogopite, 
  12, 
  14 
  

  

  Pine 
  mountain, 
  12, 
  56 
  

  

  Pine-Gage 
  mountain 
  mass, 
  61, 
  65 
  

  

  Plagioclase, 
  13, 
  17, 
  18, 
  19, 
  22, 
  28, 
  29, 
  

  

  33, 
  37, 
  40, 
  41, 
  42, 
  44 
  

   Porphyry, 
  19, 
  21-22, 
  58, 
  76, 
  84, 
  85 
  

   Porphyry 
  gneiss, 
  23 
  

   Port 
  Leyden 
  quadrangle, 
  20 
  

   Postglacial 
  drainage 
  changes, 
  75 
  

   Potash 
  mountain, 
  63 
  

   Potsdam 
  sandstone, 
  44, 
  45, 
  77 
  

   Potter 
  brook, 
  74 
  

   Potter 
  mountain, 
  6, 
  18, 
  38, 
  46, 
  50, 
  61, 
  

  

  63, 
  70 
  

   Potter-Birch-Heath 
  mountain 
  faults, 
  

  

  50 
  

   Pottersville, 
  5, 
  9, 
  12, 
  18, 
  22, 
  38, 
  59, 
  62, 
  

  

  72, 
  82, 
  84, 
  85 
  

   Pottersville 
  glacial 
  lake, 
  70 
  

   Prospect 
  mountain, 
  6, 
  13, 
  22, 
  23, 
  46, 
  

  

  53, 
  63, 
  69 
  

   Pyrite, 
  12, 
  17, 
  29, 
  30, 
  33, 
  37, 
  39, 
  40, 
  

  

  41, 
  42 
  

   Pyroxene, 
  11, 
  12, 
  14, 
  17, 
  18, 
  25, 
  28, 
  58 
  

  

  Pyroxene 
  gneisses, 
  14, 
  25, 
  60 
  

   Pyroxene 
  syenite, 
  I/-18 
  

  

  Quartz, 
  11, 
  12, 
  14, 
  17, 
  18, 
  19, 
  20, 
  21, 
  

  

  22, 
  28, 
  29, 
  30, 
  37, 
  40, 
  41, 
  58 
  

   Quartz 
  syenite, 
  16-18 
  

   Quartzite, 
  12, 
  14, 
  15, 
  16 
  

  

  Riverside, 
  18, 
  20, 
  84 
  

   Road 
  metal, 
  84 
  

  

  Schroon 
  lake, 
  7, 
  74; 
  faults, 
  56 
  

   Schroon 
  Lake 
  village, 
  44, 
  72 
  

   Schroon 
  river, 
  6, 
  70, 
  72, 
  75 
  

   Serpentine 
  limestone, 
  11 
  

   Serpentine 
  marble, 
  43 
  

   Sillimanite-feldspar-garnet 
  gneisses, 
  

  

  14 
  

   Sillimanite 
  gneiss, 
  15 
  

   Smith 
  pond, 
  74 
  

   Smyth, 
  C. 
  H., 
  cited, 
  28 
  

   Sodom, 
  9, 
  12 
  

  

  South 
  Horicon, 
  14, 
  26, 
  69, 
  72 
  

   Starbuckville, 
  14, 
  59, 
  62, 
  72 
  

   Steiger, 
  George, 
  analyses 
  by, 
  34 
  

   Stockton 
  mountain, 
  6, 
  25, 
  54, 
  58, 
  63, 
  

  

  67 
  

   Stony 
  Creek 
  gorge, 
  70 
  

   Structural 
  features, 
  45-61 
  

   Sullivan 
  pond, 
  47, 
  52 
  

   Syenite, 
  16-18, 
  25, 
  29, 
  38, 
  58, 
  76; 
  as 
  

  

  road 
  metal, 
  84; 
  as 
  building 
  stone, 
  

  

  85 
  

   Syenite 
  gneiss, 
  23, 
  26 
  

   Syenite-granite, 
  7, 
  60-61 
  

  

  Theresa 
  formation, 
  44 
  

  

  Thirteenth 
  lake, 
  79 
  

  

  Thurman, 
  9, 
  11, 
  14, 
  16, 
  50, 
  59, 
  60, 
  61, 
  

  

  63, 
  67, 
  83, 
  85 
  

   Till, 
  69 
  

  

  Titanite, 
  11, 
  17, 
  29, 
  30 
  

   Topography, 
  6-8, 
  61-65 
  ; 
  relation 
  to 
  

  

  rock 
  character, 
  61-62; 
  relation 
  to 
  

  

  rock 
  structures, 
  62 
  

   Tourmalin, 
  38 
  

   Trap 
  rock, 
  84 
  

   Tremolite, 
  11, 
  12 
  

   Tripp 
  mountain, 
  63 
  ; 
  faults, 
  52 
  

   Tripp 
  pond, 
  61, 
  69, 
  74; 
  fault, 
  52 
  

   Trout 
  brook, 
  70, 
  83 
  

   Tug 
  Hill, 
  65 
  

  

  