POTASH SALTS AND OTHER SALINES IN THE GREAT BASIN REGION. 55 



Feet. 



Black mud with scattered salt crystals 3. 5 to 5 



Salt 5 to 7 



Black mud with scattered salt crystals 7 to 8 



Black salty mud, without crystals 8 to 11 



Gray clay with occasional layers containing small salt crystals 11 to 15 



Black clay 15 to 16 



Gray clay 16 to 22 



Dry, yellowish clay, occasionally slightly gritty 22 to 26. 5 



Gray clay, 26. 5 to 29 



Black clay and mud 29 to 33. 5 



Black mud with many layers containing small crystals of gaylussite. . . 33. 5 to 49 



Black mud and clay without crystals 49 to 98 



Record of drill hole No. 2, Dixie Valley. 



(Located slightly southeast of the center of the west line of sec. 19, T. 23 N., R. 36 E., being the north- 

 east comer of claim No. 5.] 



Feet. 



Salt to 1 



Black mud 1 to 2 



Black mud with many salt crystals 2 to 3 



Salt 3 to 4. 2 



Salt with some black mud 4. 2 to 6.5 



Grayish clay with some salt crystals 6. 5 to 8 



Yellow clay containing some salt crystals in the upper portions. Lower 



portions dry and tough 8 to 19 



Tough gray clay 19 to 22 



Black mud and clay becoming tough and dry in the lower portions 22 to 94. 5 



Record of drill hole No. 3, Dixie Valley. 



[Located slightly northeast of the center of sec. 13, T. 23 N., R. 35 E., being the southwest comer of 



claim No. 46.] 



Feet. 



Salt to 0. 25 



Black mud 0. 25 to 1. 2 



Salt 1.2 to 2 



Blackmud 2 to 2.5 



Salt with some mud 2. 5 to 6 



Salt 6 to 6.5 



Black mud with salt crystals 6. 5 to 10. 5 



Yellow clay 10. 5 to 14. 5 



Thin layer of salt with some flow of water 14. 5 to 14. 7 



Yellow clay somewhat gritty in upper portion 14. 7 to 18 



Gray clay 18 to 25 



Black mud becoming dry and tough in lower portion 25 to 83 



Analyses of brines from drilled holes. 





Depth. 



Conventional combinations, grams per 100 c. c. 



Total 

 solids on 

 evapora- 

 tion, 

 grams per 

 100 c. c. 



K2O, per 



Sample. 



NaCl. 



NajSO^. 



NajCOa. 



KCl. 



Total by 

 addition. 



cent of 

 total 

 solids. 



Hole No. 1: 



4 



Feet. 

 Surface. 

 4 

 26 

 64 

 71 

 81 

 91 

 98 



2.5 

 6.5 

 10.5 

 21 

 28 



27.01 

 26.37 

 26.91 

 25.08 



5.02 

 4.39 

 4.03 

 4.37 



3.83 

 4.12 

 2.65 

 3.30 



0.41 

 .46 

 .19 

 .28 



36.27 



35.34 



33.78 



■ 33.03 



37.62 

 38.70 

 35.10 

 32.80 

 34.48 

 34.64 

 31.57 

 31.70 



36.48 

 35.82 

 35.63 

 35.19 

 35.50 



0.69 



2 



.75 



1 



.34 



50 



.54 



51 



.38 



52 













.42 



53 



23.71 



3.73 



3.48 



.24 



31.16 



48 



54 



.41 



Hole No. 2: 



55 













.54 



56 













.47 



57 













.43 



58 













.33 



59 













.40 



