398 



A TREATISE ON METAMORPHISM. 



Table D. — Classification of alterations, with volume changes — Continued. 

 CARBONATION, HYDRATION, AND DECHLORIDATION. 



CARBONATION, HYDRATION, AND DESILICATION. 



Actinolite 



Do 



Albite 



Do 



Albite, anorthite 



Do 



Do 



Anorthoclase 



Do 



Do 



Do 



Biotite, hematite 



Diopside 



Do 



Do 



Do 



Epidote 



Grossularite 



Grossularite, rnelanite 



Grossularite, melanite, pyrope . 

 Hornblende 



Melanite (see Grossularite). 

 Orthoclase or microcline 



Do 



Do 



Do 



Bastite 



Bastite, calcite, quartz 



Gibbsite, quartz 



Kaolin, quartz 



Chabazite, gibbsite, quartz 



Mesolite, gibbsite, quartz 



Mesolite, gibbsite, quartz, calcite 



Gibbsite 



Gibbsite, quartz 



Kaolin 



Kaolin, quartz 



Epidote, quartz, diaspore 



Serpentine, quartz 



Serpentine, quartz, calcite 



Talc... 



Talc, calcite, quartz 



Calcite, gibbsite, kaolin, limonite, quartz. 



Zoisite, calcite, quartz 



Epidote, calcite, quartz 



Epidote, calcite, quartz, magnesite 



Chlorite, epidote, calcite, siderite, quartz, 

 hematite. 



Gibbsite, quartz... 

 Kaolin 



Kaolin, quartz 



Muscovite, quartz . 



—18. 06 

 +38. 67 

 + 1.58 



- -t. 89 

 +46. 76 

 +24. 96 

 +30. 19 

 -68. 02 



- 3.30 

 -52. 19 



- 9.56 

 -18.45 

 + -44 

 +56. 32 

 -30. 13 

 +48. 74 

 +69. 08 

 +40. 49 

 +40. 88 

 +39. 53 

 +25. 39 



- 6.61 

 —54. 44 

 -12. 57 

 —15. 58 



