COLORS AND SYMBOLS FOR INSOLUBLE RESIDUES 



QUARTZ 



(non-detrital) 



Euhedral 

 Subhedral 

 Anhedral 



CHERT 



Silt yellow border 



Sand yellow 



Anhydrite violet 



Gypsum gray 



BLACK SUPERSCRIPTS ON YELLOW 



Coarse sand 

 Medium sand 

 Fine sand 

 Very fine sand 

 Silty 

 Sand 



rounded frosted 

 ' ' polished 

 ' ' etched 

 subrounded frosted 

 '' polished 

 ' ' etched 

 subangular 

 angular 

 regenerated 



6 

 o 

 9 



Q 



s 



O 

 © 



A 

 A 



BLACK SUPERSCRIPTS 



Sandy 



Silty 



Spicular 



Unmodified 



Vein 



S 

 Y 

 / 

 / 



RED SUPERSCRIPTS 



Barite 



Chlorite 



Celestite 



Feldspar 



Gilsonite 



Hematite 



Limonite 



Magnetite 



Marcasite 



Mica 



Biotite 



Muscovite 



Sphalerite 



Sulphur 



Beekite 

 Pellets 



Ba 



Ch 



C 



F 



G 



H 



L 



M 



Ma 



Mi 



Bi 



Mu 



Zn 



S 



B 

 P 



Granite wash XXXX 



Igneous AAA 

 Detrital gravel or 



conglomerate oooo 



Figure 5-3. Colors and symbols for insoluble residues. 



93 



