442 



PROCEEDINGS OF THE ACADEMY OF 



[A 



l'(V 



b. Metamorphosed 

 Silicon oxides: 

 Feldspars : 

 Metasilicates: 



Orthosilicates; garnets: 

 boro-: 

 micas: 



oxy-: 

 epidotes : 

 hydroxy- : 

 rare-earth- : 

 Phosphates; fluo-: 

 Oxides; 2: 3: 

 1:2: 

 double; spinels: 



rare-earth- : 

 Sulfides: 

 Elements; nonmetallic: 



c. Weatherecl 

 Silicates; hydroxy: 

 Sulfates; hydrous: 



Phosphates, etc.: 



II. 1. B. Calcareous 



a. Primary 

 Silicon oxides: 

 Silicates; hydroxy-: 

 Carbonates; calcites: 



aragonites : 

 Oxides; hydroxy-: 

 Elements : 



b. Metamorphosed 

 Silicon oxides: 

 Feldspars; orthoclases: 



plagioclases: 

 MetasiUcates; pyroxenes: 



quartz 



orthoclase; microcline; albite 



hornblende, glaucophanite, crcci- 



dolite, iolite 

 almandite 



tourmaline, dumortierite 

 muscovite, paragonite, biotite, 



chloritoid 

 cyanite, sillimanite, andalusite 

 zoisite, epidote, p'iedmontite 

 staurolite 

 zircon; titanite 

 apatite 



corundum, hematite 

 rutile 



spinel, magnetite, hercynite 

 ilmenite 



pyrite, molybdenite 

 graphite 



kaolinite 



alunogen, kalinite, halotrichite, 



carphosiderite 

 carnotite 



(and Magnesian) Sediments 



quartz 



kaolinite 



calcite, dolomite, ankerite, siderite 



aragonite 



limonite 



(carbon) 



quartz 



hyalophane 



labradorite, anorthite 



diopside, hedenliergite, scheffer- 

 ite, augite; wollastonite, rho- 

 donite, babingtonite 



