APPENDIX. . XXX vii 



~ -55. Quartz, mica and feldspar, passing into gneiss, Mendon. 



56. Quartz with argillaceous slate near the lime bed, Bernardston. 



- 57. Brecciated quartz, Leverett. 



- 58. Brecciated quartz, Amherst. 



59. Brecciated quartz, cement hematite, Dalton. 

 — ' 60. Brecciated quartz, cement hematite, Dalton. 



61. Brecciated quartz, cement iron, Amherst. 



62. Brecciated quartz and micaceous slate, Williamsburgh. 



03. Quartzose conglomerate, (boulder,) cement mica slate, Windsor. 



64. Quartzose conglomerate, Adams. 



65. Quartz with disseminated iron pyrites, Windsor. 

 ■ - 66. Ferruginous quartz, (boulder,) Worthingtou. 

 1_j_67. Quartz passing into yellow jasper, Chesterfield. 



68. Quartz, Wendell. 

 n/69. Quartz vein, Roxbury. 

 vTO. Agatized quartz. New Rochester. 

 \/ 71. Agatized quartz, Middleborough. 

 v72. Quartz, Athol. 

 v73. Quartz, Granby, east part. 



V 74. Granular quartz, Uxbridge. 

 75. Arenaceous quartz, Dalton. 



V 76. Gray quartz, Williamstown. 



V 77. Quartz, summit of Monument Mountain. 

 "/78. Quartz, Mountain east of Williamstown. 

 >/79. Red quartz, (boulder,) Franklin. 



>/80. Rhomboidal quartz. Alum Hill, Sheffield. 

 V 81. Quartz, Bald Mountain, North Adams. 

 >(/83. Quartz, Natick. 

 "^ 84. Firestone, East Douglass. 

 >/ 85. Quartz and hornblende, Warwick. 

 v 86. Quartz and hornblende, rhomboidal, Leverett. 



87. Firestone, north part of Tyringham. 

 \/88. Rhomboidal quartz, Umpachena Falls, New Marlborough. 

 n/89. Firestone, Washington. 

 V^90. Slaty quartz. Alum Hill, Sheffield. 

 V91. Quartz with veins of iron ore, mouth of Miller's River, Montague. 



V 92. Quartz and mica, Palmer. 



\/'93. Contorted quartz and mica, Zoar. 



^•94. Quartz, top of Beartown Mountain. 



N/^5. Quartz and mica, Palmer. 



'V96. Quartz and mica, Millville, Mendon. 



>/ 97. Arenaceous quartz and mica, Williamstown. 



\/98. Quartz and mica, South Mountain, Northfield. 



V 99. Quartz and mica. Railroad cut, Monson. 

 >A00. Quartz and mica, Washington, west part. 



v401. Quartz, mica, and feldspar, top of Beartown Mountain. 

 •^102. Quartz and mica overlying metamorphic slate, Bellingham, north-east 

 part. 



