446 



PROCEEDINGS OF THE ACADEMY OF 



[Aug., 



Nitrates: 



Nitrate-sulf ates : 



lodates : 



Halides; fluorides: 



chlorides ; 1 : 1 : 

 1:2: 



hydrous : 

 double: 



Boro-silicates : 

 Oxides : 

 Hydroxides : 



soda-niter, niter 



darapskite, nitroglauberite 



dietzite, lautarite 



sellaite, fluorite 



halite, sylvite 



hydrophilite 



bischofite 



carnallite, douglasite, tachhydrite, 



rinneite 

 bakerite 

 hematite 

 sassolite 



b. Metamorphosed (a number of the above salts are also formed by 

 rearrangement within salt deposits) 

 Elements: sulfur 



c. Weathered (no minerals besides the primary ones are known to 

 result from the weathering of these deposits) 



II. 1. E. Phosphatic Sediments 



a. Primary 

 Phosphates : 

 Miscellaneous : 



phosphorite 



indefinite mixtures of phosphates 

 of various elements 



b.. Metamorphosed; c. Weathered (products can not be separated) 

 Phosphates; normal, hydrous: struvite, collophanite, bobierrite, 



minervite 

 monetite 



stercorite, brushite, metabrushite, 

 martinite, newberyite, hannayite 

 mascagnite, taylorite, lecontite 

 teschemacherite 

 oxammite 



acid, hydroxy: 

 hydrous : 



Sulfates : 

 Carbonates : 

 Oxalates : 



II. 1. F. Carbonaceous Sediments 

 :a. Primary 



Miscellaneous: indefinite mixtures of hydro- 



carbons 



b. Metamorphosed; c. Weathered (products cannot be separated) 

 Oxalates: whewellite, humboldtine 



Mellates: mellite 



